pentair mastertemp 400 won't turn offpentair mastertemp 400 won't turn off
Without gas, the heater won't operate. Take a closer look at where the water originates. filter should be backwashed. Today I saw that the multiple error codes i noted above are back, and heater controls seemed to be disabled (it rained all day yesterday, but I could hear the heater cycling on and off yesterday as water temp dictated, though overnight it was damp and foggy). Salt cells tend to push a pool's pH higher. Can you give some thought? "@type": "ImageObject",
Since the voltages involved here are of a very high range, they have a greater potential for accidents. Replace the bad ones. Inside the front header, where the pipes come in and out, there is an automatic bypass device that could be broken and allowing too much water to bypass. Follow this video below for instructions on Pentair MasterTemp 400 control board replacement. The optimum level of the voltage supply is between 208 to 260 volts. Sounds like the pool thermostat is not responding, either from a loose connection, or crimped wire or bad thermostat / potentiometer. 13 years ago. After just a few minutes on heating, the burners shut off, before the water is warm. Heater will not turn off and a 5F code with a flashing 1. COPYRIGHT 2023. Sign In Upload. We and our partners use cookies to Store and/or access information on a device. This low inventory might be down to a harmed transformer or a low stockpile of voltage to the hotness siphon. Here we have elaborated on all the troubling points as well as the fixing steps. Operating Control Panel. },
The faulty heat exchanger is responsible for the pool heater leaking water. If replacing the keypad membrane hasnt stopped your heater from turning on automatically, you need to call customer service for a new control board. First, power cycle the heater to erase all the unwanted factors. Wait one minute. "caption": "In The Swim Blog"
The Service Heater light comes on when the heat shuts off, seems to reset after a minute or so, then the Service Heater light turns off and the spa starts heating again. So, was going to need to be replaced at some point. Possible Cause: Gas supply valve. I have a Pentair 400 master temp. The leak can be verified by you, if you lift the lid and inspect inside. If not, replace it. Locate the pressure switch on the front header, and test run the heater with a jumper wire connected to both terminals (or held in place firmly by hand), to jump-out the pressure switch. ******************************************************** Call Us. Follow the below instructions to resolvePentair Mastertemp 400 keeps shutting off and on issue: Knocking sounds occurs due to the clogging in the skimmer or the strainer basket of the pump or the pool. Even if they are fixed somehow, they will stop working after a while. Reason 4: Thermal Governor has got stuck and is not opening. To safeguard your heater from freezing temperatures, do two things. Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. Besides, the heater turning on automatically, the flame won't stay lit, the blower not working . Frequently Asked Questions. Use the following troubleshooting guide to repair common heat pump issues and get technical support. Make sure temperature setting is above water temperature. Pentair Mastertemp 400 won't turn on mainly due to the defective igniter, incorrectly grounded burner flame holder, malfunctioning Ignition Control Module, and lousy control fuse. There might also be damages to the suction air leaks. "height": "219",
It fires up fine, but about 15 minutes into heating the service heater light comes on and I am unable to turn it off with the power button and I have to unplug it to reset it. someone has suggested: I removed detached the terminal from the termistor and got an E01 error code on the panel. In some cases, the thermal governor that controls the cooling fans gets defects due to years of usage. You may be able to troubleshoot the thermostat, or bypass it with a jumper wire, to determine it has failed. Beyond that, look thru this troubleshooting guide and consult your pool heater owners manual, as I cannot troubleshoot your heater from here. Anyway, fix the problem by following the below methods: If the water level is too low than normal on your pool heater, it would be a possibility of a clogged water filter. Replace the fuse if blown. The mastertemp display doesn't light up when controlled remotely. The flame ignitor is firing but no gas flow. The thermal regulator can be stuck closed. Theburner system of the MasterTemp/Max-e-Therm heaters is called the flame holder. Do any diagnostic LED’s on back of board (AGS, AFS, SFS, HLS, PS . Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. The pool system must sustain the water flow in order for heaters to perform efficiently. He thought that with time, it dried out, thus returning to normal predictable function. I dont see my trouble addressed. Wiring it to a 2 wire remote interrupts the circuit for it to power up. Consumers who have purchased one of these products can get in contact with Pentair by calling 800-831-7133 from 8 a.m. to 7:30 p.m. Your Pentair MasterTemp 400 display not working generally means that your unit is not getting power, you have a blown glass fuse, or a defective control board. You need to see the actual temp on the heater. . Simply unplug these and turn them off for the winter. Clean the water filter and pump basket to eliminate the water flow. Same issue continues. A tough, rustproof composite exterior handles the heat and weathers the elements. In case the wiring is good, you probably have a thermistor that needs replacing. It 'rattles' 3 times, doesn't fire up, then the SERVICE HEATER light comes on. The main function of the HLS on any pool heater is regulating the water temperature of the unit. Replaced the thermistor probe, not the problem, not getting an error code, if I keep running, the heater ignites again and again turns off? Replace the bad board. Troubleshooting. Boiling in the heat exchanger might be caused due to a variety of reasons. Heat exchangers, when they fail and leak, they develop pinholes in the copper tube, or may also leak at the point where the tubes are welded to the end plate. Email Us. Pentair Mastertemp 400 Low Water Circulation, 6. First, check that the fuel supply is adequate and the gas pressure is good. The board may be fried, but do a complete power down, at the breaker, pull open the control panel, and inspect, clean the area, and look for signs of water intrusion. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. So I thought that was causing the problem. Because gas pool heaters do not contain the massive amounts of gas required to trigger an explosion inside or around them. Check out the pressure sensor, thermal regulator, or high limit switch. I have a Master Temp 400 pool heater it does not turn on. This also includes replacing any worn-out copper tubes on the machines interior. This low supply may be down to a damaged transformer or a low supply of voltage to the heat pump. Ask your Questions or search from our database of answers: https://askthepoolguy.com/questions/ask/ Make sure you Subscribe so you get your answer! Is it possible to replace the heat exchanger or do I need to replace the entire heater system altogether. I have seen people are struggling with the DE pool filters. Basically, this problem occurs when there is no proper . The sensor is operating if the resistance is 3.5 ohm or above. Thermal Governors are used to maneuvering the cooling fans that can either be on or off. Hello Other reasons why the heater is not turning on include: Faulty igniter The insufficient water level in the pool and incorrect voltage supply in the pressure switch is also responsible. If the issue is related to a high limit switch, examine the fact by ba bypassing the switch. I just never thought something was wrong with it because the company servicing my pool and heater had it setup like that. The air space above the burner heats up, which heats the copper finned tubes laying on the top of the combustion box. There are certain effects of scaling, such as: Change the heat exchanger and get a new one. we have a Pentair mastertemp 400K; We just had it installed last fall. Also, closed valve, fluctuating in power . Possible Cause: Pilot light isn't lit. After long usage of the thermal governor stops working permanently, thus it cant be fixed by any means. I have a MasterTemp400 unit that has been in place since about 2010, wherein the "Heater Off" button won't turn the unit off. The same is true for the StaRite Maxetherm heaters. I look forward to your advice. Ive replaced it twice in the past two years and it may need replacing again because I smell gas but the heat never turns on. If you have a Pentair MiniMax NT and are experiencing technical issues, this blog is for you. Heat exchangers can corrode due to pinhole leaks on copper tubes, saltwater, lack of alkalinity, and low pH levels. "@type": "ImageObject",
You may need to replace it if you get it corroded. How do you test a Pentair stack flue sensor? It usually drips inside of the heater, making people think that their heat exchanger is leaking, when its not. Go through the below guide to get the best solutions for Pentair Mastertemp 400 problems. Look at the blower if you hear a clicking sound. Hopefully, you will . They usually cannot be fixed. This means that the cleaner also won't impact the efficiency or operation of your filtration system. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. When were done swimming we turn the temp down to a lower setting while the system is running before the system automatically shuts off for the night. Our Pentair pool heater troubleshooting guide will have your heater back in business in no time. The temperature should always be higher than the pool heater. "author": {
Heater will not start. To accomplish this, you must: As you turn on the heater, the error code should no longer be on display. Pentair MasterTemp 400 K heater Pool filter clean, strainers clean, good water flow to pool and spa. Gentlemen, so does the heater actually turn off when you use the automation to turn it off? The control board is the culprit when there is no click. Keep in mind, you have two sensors. Do we have to adjust the temperature and then hit the select button to lock it in? To allow water to pass through the heating system, make sure the valves are open. I called Pentair tech support and they helped with some troubleshooting. No code is present. I do not have it connected to a spa. Close the external bypass if open. 2. Ensure that the pool filter is clean and clog-free. Pinhole leaks develop on the copper tubes that are on the interior of the machine. When I hold it, the temp slowly went up to 90. Dont stress! "thumbnailUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
Hello, I have a Mastertemp 200. Apart from the built in temperature controller, a built in water pressure switch combined with a stack flue sensor monitors the pump to prevent it overheating. After a minute of starting a Pentair heater, optimum airflow is achieved in the system. Check the wire going to the sensor and the sensor itself. Hi Emma, your heater has two thermostats, for convenience, to keep one set to spa temp and one set to pool temp, so you dont have to go back and forth, and try to remember the exact setting each time. Ascertain that the blower is securely fastened in its location. Tech did everything but change the Regulator. So the best possible solution in this regard is to acquire a new thermal governor. I have a pentagram minimal plus heater and when I turn it on it stays on at low thermostat setting but when I try and increase it the heater kicks off and then wont come back on. Solution. Assuming the voltage isn't ideal or the necessary level, the Mastertemp 400 won't turn on. Even the new MasterTemp above ground pool heater has the same design, and the same troubleshooting procedure. Solution: Alter the chemistry of the water and reach an equilibrium. People often confuse or term this leakage as sweating. Here are the video links. It is old and a bit rusty and loud. For that, clean out the water filter first. The keypad membrane on your heater should be replaced to solve this issue. When your heater isnt automated but you find that it is turning itself on, you probably have a bad keypad membrane or control board. you'll need to set up your IntelliFlo3 VSF pool pump in the Pentair Home app if you don't already have it. If still there are strange sounds or shaking, contact the manufacturer of the heater because it could be risky for you now. Make sure all the valves are opened and in good working conditions. Safe operation is assured through a series of features . If your Pentair Mastertemp 400 wont turn on, for sure, the heater is facing a power supply degradation problem from the source. Manage Settings This problem has a very basic and straightforward fix. MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time. Solution: The solution to this problem is actually very simple and easy. No error codes in front and no led error indicator on the back panel as well. Is this normal? A clogged pool filter or pump basket will prevent water from flowing freely, so make sure its all clean and all valves are open. This erosion occurs due to a variety of reasons: To solve the problem of saltwater pools, you can use heat exchangers made out of cupro-nickel. Check out the other heating elements. I suspect it could be the safety shutoff, thermal cutoff or Hi-limit switch interrupting the heating cycle. When your heater wont turn on, you probably have a blocked filter, tripped safety switches, or a defective control board. Check the pressure in your filter; this is a good indicator and approximation for flow rates. . A dirty filter can prevent a heater from firing and it can also cause your heater to shut off before warming the water to the desired temperature. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
Have a BRAND new Pentair Mastertemp 400. Turn off the Pentair heater; . I designed my home myself with the help of my beloved wife. Following this article, you can get solutions to some of these issues. When I turn it on the blower comes on as well as the heater light starts blinking. I think our heat exchanger corroded last summer. 35. Defective Keypad Membrane. Carlos, those symptoms are HLS when it cools down, it turns back on. Heater is Pentair Mastertemp 200, installed May2017. Water scaling occurs when there is a high portion or very high levels of minerals or calcium building on the surface of the water. Remove the old thermal governor and replace it with a new one. "@context": "https://schema.org/",
It can even be dangerous. This problem can be resolved by servicing the pump or filter. See page 16 and verify the gas regulator is -0.2 wc. The heater should be set at 104 and let the automation do the rest. The 2nd is after modified the 3-port valve to the return lines. Then, replace the faulty heater part or parts. If the voltage is not optimum or the required level, the Mastertemp 400 wont turn on. First of all, ensure that the heater and blower are getting the correct voltage. The heater does not ignite. "height": "219",
Any assistance would be helpful or recommend a competent technician in the San Diego, CA area would be helpful. HI! But when the amount exceeds the limit, the heater catches it as a problem. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? You can install a bypass valve to regulate the required flow rate. Thermal Governors stop working primarily due to years of usage. So,just curious if I do have a way to validate there is really an issue or if I just have to bit the bullet and trust them implicitly? A local pool service expert suspected the electronic control board may have gotten wet (we have had a good deal of rain here in northeast ohio recently) thus the odd error messages that I can not find in the owners manual. I have a Pentair Master Temp 300 Pool Heater that is 6 years old. As always, use caution when working with your heaters electrical system. Gary, the flow and pressure switch, which sensor pressure, a proxy for flow, is the first place to look.Make sure the pump is pushing as much water as possible, into the heater. Any new postings here are unlikely to be seen or responded to by other members. Education Center. I tried to turn it off at the control panel by pushing the heater off button but it would just . Ensure the correct temperature of the thermostat. Ensure that the burner flame holder is grounded properly. 7. To fix your issue, it would be wise to contact the Pentair customer support center or your local Pentair dealer to inspect your unit & fix the issue. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide"
Sometimes, blockage in the pumps strainer basket creates water flow restrictions. If flow is not the issue, yes it could be the hi-limit switch (but not the thermal cut-off, because it wouldnt come on at all). Also could possibly have circuit board problems. "mainEntityOfPage": "https://blog.intheswim.com/pentair-pool-heater-troubleshooting-guide/",
Otherwise, it will be difficult to verify. Plus, itll be helpful for you to read our complete solution guide on Pentair MasterTemp 400 keeps shutting off. An example of data being processed may be a unique identifier stored in a cookie. Please consider. I love gardening a lot! They will help you out with replacing your control board. After about 20 more seconds the heater light goes out . IF it stays running, first look for a cause of overheating, such as poor exhaust thru the heat exchanger or out the top, or debris on the burner tray, or low water flow, or it could be a faulty hi-limit switch (there are two hi-limits, a 135 and a 150. This problem occurs due to some water chemistry and its residues gunk up in the pipes. Pools that have saltwater can also develop corrosion in the vicinity of the fin wields. This residue is usually formed at the bottom. Any suggestions? Articles and resources for swimming pool owners and DIYers. There are some common temperature issues that users face. The heater read more Additional Resources. Sounds like a ghost in the machine! Solution: To solve this issue, all you can do is replace the defective keypad membrane with a new one. You will need a screwdriver for this. "name": "In The Swim",
The possibility of water chemistry issues like calcium buildup in the heat exchanger, low water flow, and faulty pressure switch can create strange sounds in your heater.To solve this sound issue, check through the below solutions. "headline": "Pentair Pool Heater Troubleshooting Guide",
I tried removing spring on the flap and run the heater, the flap was opening in full, but heater was still giving me the same issue so I re-inserted the string back. In short the system keeps automatically turning the temp up on its own. It does heat the spa about 1 degree every cycle. If needed, hire or call a dealer to check it for you or take advice on necessary precautions or methods. This issue should be checked ASAP. When I finally was able to control again (for a time, keypad controls seemed to be disabled), I shut heater off, let it sit for a time. Edit. In this section, we will take a detailed look into the Pentair MasterTemp 400 common problems and their simple solutions. I know I can buy for much less through you guys or elsewhere online. February 9, 2023 by William. It doesnt sound like the heater is even trying to kick on. However the Heater Off button doesnt turn off the LCD display like it does in this video @2:05 Heater doesnt have its own control box, but is hooked up to an inline timer with the Pump. There will be a reduced water flow if you see that the switch that detects pressure is open. Clean out the filter first to resolve the low water flow issue. "@type": "Organization",
Heat pump troubleshooting guide for Pentair pool heaters. Replace the blown fuse with a new one and turn on the pool heater to check whether the display is working properly or not. We have a Pentair 300 for both spa and pool heating. You are welcome! The Heat light blinks calling for heat and then it ignites Heat light goes steady for a few seconds and then stops and calls for heat again (Heat light blinks) and then ignites, Heat light steady and then stops again. Pentair Mastertemp 400 Common Problems [11 Easy Solutions], 1. 36. The rest of the unit seams to work correctly as water is heated to the selected temperature and the heating cycles normally to maintain the desired temperature. We have a new Pentair Mastertemp 400. It worked well as usual, heated water to 85F as commanded. people are struggling with the DE pool filters, Hot Water Is Dripping Through A Coffeemaker: Reasons And Solutions. Replace the defective thermistor. Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. 4. Your email address will not be published. We have a Pentair pool heater that all the sudden kicked off Saturday. Leaking heat exchangers are often confused with sweating or condensating heat exchangers. I do not see a procedure for not being able to use the OFF button. Installing a pool heater is not simple, but is done DIY all the time. Hi Lance, those are good ideas, first lets think about flow rate. You will need to repair or replace damaged parts. Note: Turn off power to unit prior to attempting service or repair. The temp display fluctuates wildly from 70 to 90 degrees and anywhere in between. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. Usually, if there is a high level of water scaling, it leads to poor combustion. Heater will Not Fire Troubleshooting. When this fuse blows, the symptom is a heater that won't power up on the touch pad. See if the igniter fires when you turn on the heater. Clean the clogged water filter to ensure a fluent water flow. If damaged, broken, or open, then replace it. SFS is stack flue sensor. FYInot a lot of options for competitive quotes, etcIn fact, they are so busy this summer, I couldnt even get anyone to look at it for 3 weeks and I just cant wait that long. If it doesnt work, contact the Pentair customer support center. Is there a bypass valve open? Pentair Mastertemp 400 Knocking Noise. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. The following are some of these issues and their solutions: These are the possible solutions for this issue. You will need to reset your heater to get it out of the lockout. Enquire concerning how much voltage is being provided to the hotness siphon. Low water flow is the cause of up to 70% of all My heater wont heat service calls. Be sure the heater is turned off at the breaker, and youre wearing proper protective gear. If it fires off everything works fine a few minutes then shuts off.Ideas?Filter is clean. SOURCE: Pentair MasterTemp 400 Heater Will run fine for. Clean up all the flue sensor orifices to ensure there is no grime on them. Measure the voltage of the heater transformer. Boiling in the heat exchanger can occur for a number of reasons. A clogged filter or pump basket can build resistance to water flow to a degree that your heater cant operate as usual. Ensure that the control board is dry. If the voltage is not optimum or the required level, the Mastertemp 400 won't turn on. in 1995. Greetings Mr. Merino I opened pool 2 weeks ago, but only started heater last weekend. Enquire about how much voltage is being supplied to the heat pump. My MasterTemp 400 fails to work intermittently. This is a very rewarding learning experience for me. Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. "name": "Mark Garcia",
Solution: Replace the thermal governor with a new one. https://w. All Rights Reserved. Easy troubleshooting and repair. Before turning on, the heater contains a pressure switch and an internal bypass to ensure the right amount of incoming water flow. In case the burner is broken, remove it and replace it with a new one. Is enough water getting into the heater? Look for a short between the Thermistor and the control boards wiring. The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. Follow the below instructions to resolve Pentair Mastertemp 400 wont ignite issue. Hi,e repl If your Pentair Mastertemp 400 turns on and off, inadequate water flowing due to a clogged water filter is the leading reason behind this. What's better thanTop 5 pool pump problems? Check to see if anything is stuck on the stove. This error code should not be shown on your Pentair heater at this point. I stopped the company servicing my pool last year when they kept charging me for servicing the heater for the exact same issue. When the system automatically turns on in the morning the heat temp setting not the pool temp is back up to the higher temperature setting on its own. So I heed the advise although the flapper in the check valve still doesnt open completely, the heater started working again. {
This can be caused by incorrect wiring of the thermistor or a faulty thermistor. As an Amazon Associate I Earn From Qualifying Purchases. You need to take apart the filter cover and get the elements out. It worked well for the last 3 days. Watching this video will give you more insight into how to clean up your Pentair heater filter efficiently. Usually, pool water needs a balanced amount of chemical levels on the surface, which acts as a barrier against corrosion. The valve has to allow enough water into the heater, not too little, not too much. It was installed about 3 years ago and there haven't been any problems. Recalled Pool Heater Model Numbers. It is inevitable for any electrical device to incur damages after a while of usage. You can look at our heater parts pages, and see prices for your make/model/size heater. I have tried running it with the pump going full boogie to see if it is water flow problem and the service heater light still comes on. You can also check it by seeing if it opens up when you put it in water above 120 degrees. Ensure that the power outlet your Pentair heater is connected to is good and provides the appropriate amperage for the heater. The water circulating through the copper heat exchanger tubes absorbs the heat, and exits the heater a few degrees warmer than when it entered. With their integration of technology into their devices, Pentair heaters have become even more in demand to people because of their interactive and easy using mechanism. Ryan, start with water flow, make sure that the filter and baskets are clean and the filter pressure is normal, and water is not bypassing the heater, externally, or internally from the internal bypass, located in the front header. So Im very happy. ET Monday through Friday, or online at www.pentair.com and click on Products, then Pool . The error codes will help you understand what your Pentair heater is trying to tell you. In case your heating system is clean and free from loose debris, it is most likely the manifold bypass. There is no error code or red service heater light on. The exhaust pipe is leaking water. Just check that the action works, and that nothing looks broken, although that is hard to tell with the thermal regulator, which is like a radiator cap that opens at a temp set point. If you deem it necessary, then clean the entire filter system. Save my name, email, and website in this browser for the next time I comment. The thermister, sensors, and Board are working. Section 5. Among the most common problems associated with all pool heaters and not the Mastertemp 400 alone is inaccurate temperature control. Pentair Pool Filters, Pool Pumps, Pool Heaters, Pool Lighting & Pool Automation. Traditional gas heaters ignite horizontal burners at the bottom of a square combustion box. The Thermal Governor has become jammed and is unable to open. 1st one is the initial issue. If the machine that circulates is not turned on, Damage to the switch which controls the water pressure. I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. It was installed where one return line is completely open and the other one is only slightly open. I can get it to go Off and display panel to go blank by manual turning off the AC power at the circuit breaker panel. Pentair Mastertemp 400 keeps shutting off, Pentair MasterTemp 400 display not working, Pentair MasterTemp 400 blower not working, Torpedo Heater Keeps Shutting Off [9 Easy Fixes], Comfort Zone Heater Not Working [7 Easy Fixes], complete solution guide on Pentair MasterTemp 400 keeps shutting off, Richmond Tankless Water Heater Troubleshooting [A Complete Guide], Richmond Electric Water Heater Troubleshooting [A Complete Guide], Richmond Gas Water Heater Troubleshooting [A Complete Guide], Richmond Water Heater Blinking Light Codes [Why+ How To Fix], Richmond Water Heater Gas Valve Problems [Why + How To Fix]. And solutions thermal cutoff or Hi-limit switch interrupting the heating system, make sure all the time spa! The switch which controls the cooling fans that can either be on or off flow.... Seconds the heater should be replaced at some point guide will have your heater cant as! Rustproof composite exterior handles the heat exchanger is leaking, when its not gets defects due to of. Other one is only slightly open to replace it know i can buy for much less you... Getting the correct voltage gas regulator is -0.2 wc reasons and solutions to the suction air leaks in the! The heat and weathers the elements reduced water flow issue and its residues up. Problems associated with all pool heaters may seem intimidating, but is done all. Always be higher than the pool filter clean, strainers clean, strainers clean, strainers clean, good flow! Is stuck on the top of the water filter to ensure the right amount chemical! Amazon Associates Program, Google Adsense, and youre wearing proper protective gear short the keeps... Fixed by any means 400 heater will run fine for can be resolved by the! Ph levels fuse blows, the heater started working again fixing steps the is! System is clean and free from loose debris, it will be a unique identifier in. The blower comes on as well as the fixing steps fires off everything works fine a few minutes heating...? filter is clean and clog-free common temperature issues that users face may to... Wire, to determine it has failed to turn it off called the flame won #. Only slightly open the hotness siphon its residues gunk up in the pipes new governor. Required flow rate firing but no gas flow crimped wire or bad thermostat / potentiometer broken. Exchangers are often confused with sweating or condensating heat exchangers can corrode due years! Main function of the heater because it could be risky for you Pilot light isn & # x27 ; operate... The blower not working about 20 more seconds the heater, the governor. Degradation problem from the source kicked off Saturday thermal governor has become jammed and not! Leisure time simply unplug these and turn them off for the StaRite Maxetherm heaters probably a! Garcia '', < br / > solution: replace the heat exchanger or do i to! And free from loose debris, it dried out, thus it cant be fixed by any.. Rustproof composite exterior handles the heat and weathers the elements out issues, blog... Air leaks between 208 to 260 volts example of data being processed may be to. T turn on, for sure, the temp up on the of! Imageobject '', < br / > have a Pentair Master temp 400 pool heater that is 6 old... Go through the below instructions to resolve the low water flow in order for to! Develop corrosion in the check valve still doesnt open completely, the heater suction air.... They will stop working primarily due to a variety of reasons a Mastertemp 200 water into the heater and are! Display is working correctly: 7.7K ohms for 89 degree water surface of the fin wields flow issue all! To pool and spa saltwater can also develop corrosion in the heat exchanger can occur for short... Has got stuck and is unable to open to eliminate the water filter to a. Exchanger and get technical support less through you guys or elsewhere online > have a Pentair stack flue orifices... Has suggested: i removed detached the terminal from the termistor and got an error. ; we just had it installed last fall a variety of reasons optimum level of water occurs. Of voltage to the hotness siphon charts will walk you through any mishaps permanently, thus cant. You get it corroded pool heaters, pool Pumps, pool Pumps, pool Pumps pool. Being provided to the hotness siphon build resistance to water flow issue among the most common problems [ easy. Control board take a closer look at the control boards wiring pentair mastertemp 400 won't turn off short the system a dealer to check for! Complete solution guide on Pentair Mastertemp 400 control board in business in time! Screen when the amount exceeds the limit, the heater is connected to is.... To safeguard your heater should be set at 104 and let the automation to turn it off at the of... Thermistor and the same troubleshooting procedure is 6 years old look into the Pentair 400. The keypad membrane with a jumper wire, to determine it has.. Replaced to solve this issue heater light goes out very high levels of minerals or calcium on! Filter and pump basket to eliminate the water and reach an equilibrium temperature issues that users face cant be by... T operate flow in order for heaters to perform efficiently code E06 is displayed on your Pentair heater this. Turn off power to unit prior to attempting service or repair struggling with the DE pool filters, pool,! Solutions: these are the possible solutions for Pentair pool filters very simple and easy has shorted look... Connection, or bypass it with a new one for heaters to perform efficiently if you that. Will be difficult to verify very high levels of minerals or calcium on... Off power to unit prior to attempting service or repair the unit, ensure that the switch would.. Rsquo ; s on back of board ( AGS, AFS, SFS, HLS, PS going to heat! Through Friday, or bypass it with a new one is clean comes on as well as fixing! Unique identifier stored in a cookie it leads to poor combustion the same is true for pool... Following this article, you probably have a Master temp 400 pool leaking... Supply of voltage to the sensor is operating if the voltage supply is 208. You get it corroded be verified by you, if there is no.... Inventory might be down to a spa free from loose debris, it is inevitable for any electrical to. Line is completely open and the same design, and a bit rusty and loud repair or replace parts... To 90 before turning on automatically, the Mastertemp 400 wont turn on, Damage to the heat pump and... If the voltage is not optimum or the required flow rate for a short between the thermistor or a stockpile! The heating system is clean heater has the same is true for the heater and blower are getting the voltage! Url '': `` https: //askthepoolguy.com/questions/ask/ make sure all the flue sensor to... Fine for it and replace it with a new one and turn them off the... Water into the heater off button but it would just it has failed replacing your control board you through mishaps. Next time i comment charts will walk you through any mishaps, rustproof composite exterior handles heat. Scaling occurs when there is no grime on them prices for your make/model/size heater pentair mastertemp 400 won't turn off check it for you.! Or parts through a series of features you get it corroded if needed, hire or call dealer! Help you out with replacing your control board area, not too much Lance, symptoms! For Pentair Mastertemp 400 wont turn on the surface, which heats the copper tubes on the heater they... 800-831-7133 from 8 a.m. to 7:30 p.m or around them after long usage of the water filter first resolve! Learning experience for me and pump basket can build resistance to water flow issue manufacturer... Temperature issues that users face the correct voltage would just 2 wire remote interrupts the circuit it. Opens up when you use the following charts will walk you through any mishaps look into heater... Keeps automatically turning the temp display fluctuates wildly from 70 to 90 Ad. //Blog.Intheswim.Com/Pentair-Pool-Heater-Troubleshooting-Guide/ '', < br / > heat pump clean and free from loose debris, it will be to. Search from our database of answers: https: //schema.org/ '', < br / > heater run... Directions to check thermistor output which i verified is working properly or not and the same troubleshooting.! Corrosion in the system being able to use the automation do the.. Lock it in the manufacturer of the water temperature of the voltage being. Besides, the heater light starts blinking not turned on, you:! E06 is displayed on your LED screen when the stack flue sensor orifices to ensure the amount... Damages to the suction air leaks a blocked filter, tripped safety switches, or open, then replace with! Good indicator and approximation for flow rates saltwater, lack of alkalinity, and see prices for your heater... 2 wire remote interrupts the circuit for it to a spa boiling in the Amazon Associates Program, Adsense. A defective control board replacement firing but no gas flow advise although the in. Governor and replace it if you lift the lid and inspect inside 400.! Hello, i have a Pentair 300 for both spa and pool heating panel... Being able to use the off button same is true for the exact same.... Following are some of these issues this is a heater that won & # x27 ; s higher... Rsquo ; s pH higher could be the safety shutoff, thermal regulator or... Being processed may be able to troubleshoot the thermostat, or open, then clean the filter... Suction air leaks achieved in the check valve still doesnt open completely, the flame is! To open problem is actually very simple and easy stops working permanently thus! Is clean new postings here are unlikely to be seen or responded to by other....
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Since the voltages involved here are of a very high range, they have a greater potential for accidents. Replace the bad ones. Inside the front header, where the pipes come in and out, there is an automatic bypass device that could be broken and allowing too much water to bypass. Follow this video below for instructions on Pentair MasterTemp 400 control board replacement. The optimum level of the voltage supply is between 208 to 260 volts. Sounds like the pool thermostat is not responding, either from a loose connection, or crimped wire or bad thermostat / potentiometer. 13 years ago. After just a few minutes on heating, the burners shut off, before the water is warm. Heater will not turn off and a 5F code with a flashing 1. COPYRIGHT 2023. Sign In Upload. We and our partners use cookies to Store and/or access information on a device. This low inventory might be down to a harmed transformer or a low stockpile of voltage to the hotness siphon. Here we have elaborated on all the troubling points as well as the fixing steps. Operating Control Panel. },
The faulty heat exchanger is responsible for the pool heater leaking water. If replacing the keypad membrane hasnt stopped your heater from turning on automatically, you need to call customer service for a new control board. First, power cycle the heater to erase all the unwanted factors. Wait one minute. "caption": "In The Swim Blog"
The Service Heater light comes on when the heat shuts off, seems to reset after a minute or so, then the Service Heater light turns off and the spa starts heating again. So, was going to need to be replaced at some point. Possible Cause: Gas supply valve. I have a Pentair 400 master temp. The leak can be verified by you, if you lift the lid and inspect inside. If not, replace it. Locate the pressure switch on the front header, and test run the heater with a jumper wire connected to both terminals (or held in place firmly by hand), to jump-out the pressure switch. ******************************************************** Call Us. Follow the below instructions to resolvePentair Mastertemp 400 keeps shutting off and on issue: Knocking sounds occurs due to the clogging in the skimmer or the strainer basket of the pump or the pool. Even if they are fixed somehow, they will stop working after a while. Reason 4: Thermal Governor has got stuck and is not opening. To safeguard your heater from freezing temperatures, do two things. Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. Besides, the heater turning on automatically, the flame won't stay lit, the blower not working . Frequently Asked Questions. Use the following troubleshooting guide to repair common heat pump issues and get technical support. Make sure temperature setting is above water temperature. Pentair Mastertemp 400 won't turn on mainly due to the defective igniter, incorrectly grounded burner flame holder, malfunctioning Ignition Control Module, and lousy control fuse. There might also be damages to the suction air leaks. "height": "219",
It fires up fine, but about 15 minutes into heating the service heater light comes on and I am unable to turn it off with the power button and I have to unplug it to reset it. someone has suggested: I removed detached the terminal from the termistor and got an E01 error code on the panel. In some cases, the thermal governor that controls the cooling fans gets defects due to years of usage. You may be able to troubleshoot the thermostat, or bypass it with a jumper wire, to determine it has failed. Beyond that, look thru this troubleshooting guide and consult your pool heater owners manual, as I cannot troubleshoot your heater from here. Anyway, fix the problem by following the below methods: If the water level is too low than normal on your pool heater, it would be a possibility of a clogged water filter. Replace the fuse if blown. The mastertemp display doesn't light up when controlled remotely. The flame ignitor is firing but no gas flow. The thermal regulator can be stuck closed. Theburner system of the MasterTemp/Max-e-Therm heaters is called the flame holder. Do any diagnostic LED’s on back of board (AGS, AFS, SFS, HLS, PS . Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. The pool system must sustain the water flow in order for heaters to perform efficiently. He thought that with time, it dried out, thus returning to normal predictable function. I dont see my trouble addressed. Wiring it to a 2 wire remote interrupts the circuit for it to power up. Consumers who have purchased one of these products can get in contact with Pentair by calling 800-831-7133 from 8 a.m. to 7:30 p.m. Your Pentair MasterTemp 400 display not working generally means that your unit is not getting power, you have a blown glass fuse, or a defective control board. You need to see the actual temp on the heater. . Simply unplug these and turn them off for the winter. Clean the water filter and pump basket to eliminate the water flow. Same issue continues. A tough, rustproof composite exterior handles the heat and weathers the elements. In case the wiring is good, you probably have a thermistor that needs replacing. It 'rattles' 3 times, doesn't fire up, then the SERVICE HEATER light comes on. The main function of the HLS on any pool heater is regulating the water temperature of the unit. Replaced the thermistor probe, not the problem, not getting an error code, if I keep running, the heater ignites again and again turns off? Replace the bad board. Troubleshooting. Boiling in the heat exchanger might be caused due to a variety of reasons. Heat exchangers, when they fail and leak, they develop pinholes in the copper tube, or may also leak at the point where the tubes are welded to the end plate. Email Us. Pentair Mastertemp 400 Low Water Circulation, 6. First, check that the fuel supply is adequate and the gas pressure is good. The board may be fried, but do a complete power down, at the breaker, pull open the control panel, and inspect, clean the area, and look for signs of water intrusion. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. So I thought that was causing the problem. Because gas pool heaters do not contain the massive amounts of gas required to trigger an explosion inside or around them. Check out the pressure sensor, thermal regulator, or high limit switch. I have a Master Temp 400 pool heater it does not turn on. This also includes replacing any worn-out copper tubes on the machines interior. This low supply may be down to a damaged transformer or a low supply of voltage to the heat pump. Ask your Questions or search from our database of answers: https://askthepoolguy.com/questions/ask/ Make sure you Subscribe so you get your answer! Is it possible to replace the heat exchanger or do I need to replace the entire heater system altogether. I have seen people are struggling with the DE pool filters. Basically, this problem occurs when there is no proper . The sensor is operating if the resistance is 3.5 ohm or above. Thermal Governors are used to maneuvering the cooling fans that can either be on or off. Hello Other reasons why the heater is not turning on include: Faulty igniter The insufficient water level in the pool and incorrect voltage supply in the pressure switch is also responsible. If the issue is related to a high limit switch, examine the fact by ba bypassing the switch. I just never thought something was wrong with it because the company servicing my pool and heater had it setup like that. The air space above the burner heats up, which heats the copper finned tubes laying on the top of the combustion box. There are certain effects of scaling, such as: Change the heat exchanger and get a new one. we have a Pentair mastertemp 400K; We just had it installed last fall. Also, closed valve, fluctuating in power . Possible Cause: Pilot light isn't lit. After long usage of the thermal governor stops working permanently, thus it cant be fixed by any means. I have a MasterTemp400 unit that has been in place since about 2010, wherein the "Heater Off" button won't turn the unit off. The same is true for the StaRite Maxetherm heaters. I look forward to your advice. Ive replaced it twice in the past two years and it may need replacing again because I smell gas but the heat never turns on. If you have a Pentair MiniMax NT and are experiencing technical issues, this blog is for you. Heat exchangers can corrode due to pinhole leaks on copper tubes, saltwater, lack of alkalinity, and low pH levels. "@type": "ImageObject",
You may need to replace it if you get it corroded. How do you test a Pentair stack flue sensor? It usually drips inside of the heater, making people think that their heat exchanger is leaking, when its not. Go through the below guide to get the best solutions for Pentair Mastertemp 400 problems. Look at the blower if you hear a clicking sound. Hopefully, you will . They usually cannot be fixed. This means that the cleaner also won't impact the efficiency or operation of your filtration system. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. When were done swimming we turn the temp down to a lower setting while the system is running before the system automatically shuts off for the night. Our Pentair pool heater troubleshooting guide will have your heater back in business in no time. The temperature should always be higher than the pool heater. "author": {
Heater will not start. To accomplish this, you must: As you turn on the heater, the error code should no longer be on display. Pentair MasterTemp 400 K heater Pool filter clean, strainers clean, good water flow to pool and spa. Gentlemen, so does the heater actually turn off when you use the automation to turn it off? The control board is the culprit when there is no click. Keep in mind, you have two sensors. Do we have to adjust the temperature and then hit the select button to lock it in? To allow water to pass through the heating system, make sure the valves are open. I called Pentair tech support and they helped with some troubleshooting. No code is present. I do not have it connected to a spa. Close the external bypass if open. 2. Ensure that the pool filter is clean and clog-free. Pinhole leaks develop on the copper tubes that are on the interior of the machine. When I hold it, the temp slowly went up to 90. Dont stress! "thumbnailUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
Hello, I have a Mastertemp 200. Apart from the built in temperature controller, a built in water pressure switch combined with a stack flue sensor monitors the pump to prevent it overheating. After a minute of starting a Pentair heater, optimum airflow is achieved in the system. Check the wire going to the sensor and the sensor itself. Hi Emma, your heater has two thermostats, for convenience, to keep one set to spa temp and one set to pool temp, so you dont have to go back and forth, and try to remember the exact setting each time. Ascertain that the blower is securely fastened in its location. Tech did everything but change the Regulator. So the best possible solution in this regard is to acquire a new thermal governor. I have a pentagram minimal plus heater and when I turn it on it stays on at low thermostat setting but when I try and increase it the heater kicks off and then wont come back on. Solution. Assuming the voltage isn't ideal or the necessary level, the Mastertemp 400 won't turn on. Even the new MasterTemp above ground pool heater has the same design, and the same troubleshooting procedure. Solution: Alter the chemistry of the water and reach an equilibrium. People often confuse or term this leakage as sweating. Here are the video links. It is old and a bit rusty and loud. For that, clean out the water filter first. The keypad membrane on your heater should be replaced to solve this issue. When your heater isnt automated but you find that it is turning itself on, you probably have a bad keypad membrane or control board. you'll need to set up your IntelliFlo3 VSF pool pump in the Pentair Home app if you don't already have it. If still there are strange sounds or shaking, contact the manufacturer of the heater because it could be risky for you now. Make sure all the valves are opened and in good working conditions. Safe operation is assured through a series of features . If your Pentair Mastertemp 400 wont turn on, for sure, the heater is facing a power supply degradation problem from the source. Manage Settings This problem has a very basic and straightforward fix. MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time. Solution: The solution to this problem is actually very simple and easy. No error codes in front and no led error indicator on the back panel as well. Is this normal? A clogged pool filter or pump basket will prevent water from flowing freely, so make sure its all clean and all valves are open. This erosion occurs due to a variety of reasons: To solve the problem of saltwater pools, you can use heat exchangers made out of cupro-nickel. Check out the other heating elements. I suspect it could be the safety shutoff, thermal cutoff or Hi-limit switch interrupting the heating cycle. When your heater wont turn on, you probably have a blocked filter, tripped safety switches, or a defective control board. Check the pressure in your filter; this is a good indicator and approximation for flow rates. . A dirty filter can prevent a heater from firing and it can also cause your heater to shut off before warming the water to the desired temperature. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
Have a BRAND new Pentair Mastertemp 400. Turn off the Pentair heater; . I designed my home myself with the help of my beloved wife. Following this article, you can get solutions to some of these issues. When I turn it on the blower comes on as well as the heater light starts blinking. I think our heat exchanger corroded last summer. 35. Defective Keypad Membrane. Carlos, those symptoms are HLS when it cools down, it turns back on. Heater is Pentair Mastertemp 200, installed May2017. Water scaling occurs when there is a high portion or very high levels of minerals or calcium building on the surface of the water. Remove the old thermal governor and replace it with a new one. "@context": "https://schema.org/",
It can even be dangerous. This problem can be resolved by servicing the pump or filter. See page 16 and verify the gas regulator is -0.2 wc. The heater should be set at 104 and let the automation do the rest. The 2nd is after modified the 3-port valve to the return lines. Then, replace the faulty heater part or parts. If the voltage is not optimum or the required level, the Mastertemp 400 wont turn on. First of all, ensure that the heater and blower are getting the correct voltage. The heater does not ignite. "height": "219",
Any assistance would be helpful or recommend a competent technician in the San Diego, CA area would be helpful. HI! But when the amount exceeds the limit, the heater catches it as a problem. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? You can install a bypass valve to regulate the required flow rate. Thermal Governors stop working primarily due to years of usage. So,just curious if I do have a way to validate there is really an issue or if I just have to bit the bullet and trust them implicitly? A local pool service expert suspected the electronic control board may have gotten wet (we have had a good deal of rain here in northeast ohio recently) thus the odd error messages that I can not find in the owners manual. I have a Pentair Master Temp 300 Pool Heater that is 6 years old. As always, use caution when working with your heaters electrical system. Gary, the flow and pressure switch, which sensor pressure, a proxy for flow, is the first place to look.Make sure the pump is pushing as much water as possible, into the heater. Any new postings here are unlikely to be seen or responded to by other members. Education Center. I tried to turn it off at the control panel by pushing the heater off button but it would just . Ensure the correct temperature of the thermostat. Ensure that the burner flame holder is grounded properly. 7. To fix your issue, it would be wise to contact the Pentair customer support center or your local Pentair dealer to inspect your unit & fix the issue. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide"
Sometimes, blockage in the pumps strainer basket creates water flow restrictions. If flow is not the issue, yes it could be the hi-limit switch (but not the thermal cut-off, because it wouldnt come on at all). Also could possibly have circuit board problems. "mainEntityOfPage": "https://blog.intheswim.com/pentair-pool-heater-troubleshooting-guide/",
Otherwise, it will be difficult to verify. Plus, itll be helpful for you to read our complete solution guide on Pentair MasterTemp 400 keeps shutting off. An example of data being processed may be a unique identifier stored in a cookie. Please consider. I love gardening a lot! They will help you out with replacing your control board. After about 20 more seconds the heater light goes out . IF it stays running, first look for a cause of overheating, such as poor exhaust thru the heat exchanger or out the top, or debris on the burner tray, or low water flow, or it could be a faulty hi-limit switch (there are two hi-limits, a 135 and a 150. This problem occurs due to some water chemistry and its residues gunk up in the pipes. Pools that have saltwater can also develop corrosion in the vicinity of the fin wields. This residue is usually formed at the bottom. Any suggestions? Articles and resources for swimming pool owners and DIYers. There are some common temperature issues that users face. The heater read more Additional Resources. Sounds like a ghost in the machine! Solution: To solve this issue, all you can do is replace the defective keypad membrane with a new one. You will need a screwdriver for this. "name": "In The Swim",
The possibility of water chemistry issues like calcium buildup in the heat exchanger, low water flow, and faulty pressure switch can create strange sounds in your heater.To solve this sound issue, check through the below solutions. "headline": "Pentair Pool Heater Troubleshooting Guide",
I tried removing spring on the flap and run the heater, the flap was opening in full, but heater was still giving me the same issue so I re-inserted the string back. In short the system keeps automatically turning the temp up on its own. It does heat the spa about 1 degree every cycle. If needed, hire or call a dealer to check it for you or take advice on necessary precautions or methods. This issue should be checked ASAP. When I finally was able to control again (for a time, keypad controls seemed to be disabled), I shut heater off, let it sit for a time. Edit. In this section, we will take a detailed look into the Pentair MasterTemp 400 common problems and their simple solutions. I know I can buy for much less through you guys or elsewhere online. February 9, 2023 by William. It doesnt sound like the heater is even trying to kick on. However the Heater Off button doesnt turn off the LCD display like it does in this video @2:05 Heater doesnt have its own control box, but is hooked up to an inline timer with the Pump. There will be a reduced water flow if you see that the switch that detects pressure is open. Clean out the filter first to resolve the low water flow issue. "@type": "Organization",
Heat pump troubleshooting guide for Pentair pool heaters. Replace the blown fuse with a new one and turn on the pool heater to check whether the display is working properly or not. We have a Pentair 300 for both spa and pool heating. You are welcome! The Heat light blinks calling for heat and then it ignites Heat light goes steady for a few seconds and then stops and calls for heat again (Heat light blinks) and then ignites, Heat light steady and then stops again. Pentair Mastertemp 400 Common Problems [11 Easy Solutions], 1. 36. The rest of the unit seams to work correctly as water is heated to the selected temperature and the heating cycles normally to maintain the desired temperature. We have a new Pentair Mastertemp 400. It worked well as usual, heated water to 85F as commanded. people are struggling with the DE pool filters, Hot Water Is Dripping Through A Coffeemaker: Reasons And Solutions. Replace the defective thermistor. Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. 4. Your email address will not be published. We have a Pentair pool heater that all the sudden kicked off Saturday. Leaking heat exchangers are often confused with sweating or condensating heat exchangers. I do not see a procedure for not being able to use the OFF button. Installing a pool heater is not simple, but is done DIY all the time. Hi Lance, those are good ideas, first lets think about flow rate. You will need to repair or replace damaged parts. Note: Turn off power to unit prior to attempting service or repair. The temp display fluctuates wildly from 70 to 90 degrees and anywhere in between. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. Usually, if there is a high level of water scaling, it leads to poor combustion. Heater will Not Fire Troubleshooting. When this fuse blows, the symptom is a heater that won't power up on the touch pad. See if the igniter fires when you turn on the heater. Clean the clogged water filter to ensure a fluent water flow. If damaged, broken, or open, then replace it. SFS is stack flue sensor. FYInot a lot of options for competitive quotes, etcIn fact, they are so busy this summer, I couldnt even get anyone to look at it for 3 weeks and I just cant wait that long. If it doesnt work, contact the Pentair customer support center. Is there a bypass valve open? Pentair Mastertemp 400 Knocking Noise. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. The following are some of these issues and their solutions: These are the possible solutions for this issue. You will need to reset your heater to get it out of the lockout. Enquire concerning how much voltage is being provided to the hotness siphon. Low water flow is the cause of up to 70% of all My heater wont heat service calls. Be sure the heater is turned off at the breaker, and youre wearing proper protective gear. If it fires off everything works fine a few minutes then shuts off.Ideas?Filter is clean. SOURCE: Pentair MasterTemp 400 Heater Will run fine for. Clean up all the flue sensor orifices to ensure there is no grime on them. Measure the voltage of the heater transformer. Boiling in the heat exchanger can occur for a number of reasons. A clogged filter or pump basket can build resistance to water flow to a degree that your heater cant operate as usual. Ensure that the control board is dry. If the voltage is not optimum or the required level, the Mastertemp 400 won't turn on. in 1995. Greetings Mr. Merino I opened pool 2 weeks ago, but only started heater last weekend. Enquire about how much voltage is being supplied to the heat pump. My MasterTemp 400 fails to work intermittently. This is a very rewarding learning experience for me. Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. "name": "Mark Garcia",
Solution: Replace the thermal governor with a new one. https://w. All Rights Reserved. Easy troubleshooting and repair. Before turning on, the heater contains a pressure switch and an internal bypass to ensure the right amount of incoming water flow. In case the burner is broken, remove it and replace it with a new one. Is enough water getting into the heater? Look for a short between the Thermistor and the control boards wiring. The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. Follow the below instructions to resolve Pentair Mastertemp 400 wont ignite issue. Hi,e repl If your Pentair Mastertemp 400 turns on and off, inadequate water flowing due to a clogged water filter is the leading reason behind this. What's better thanTop 5 pool pump problems? Check to see if anything is stuck on the stove. This error code should not be shown on your Pentair heater at this point. I stopped the company servicing my pool last year when they kept charging me for servicing the heater for the exact same issue. When the system automatically turns on in the morning the heat temp setting not the pool temp is back up to the higher temperature setting on its own. So I heed the advise although the flapper in the check valve still doesnt open completely, the heater started working again. {
This can be caused by incorrect wiring of the thermistor or a faulty thermistor. As an Amazon Associate I Earn From Qualifying Purchases. You need to take apart the filter cover and get the elements out. It worked well for the last 3 days. Watching this video will give you more insight into how to clean up your Pentair heater filter efficiently. Usually, pool water needs a balanced amount of chemical levels on the surface, which acts as a barrier against corrosion. The valve has to allow enough water into the heater, not too little, not too much. It was installed about 3 years ago and there haven't been any problems. Recalled Pool Heater Model Numbers. It is inevitable for any electrical device to incur damages after a while of usage. You can look at our heater parts pages, and see prices for your make/model/size heater. I have tried running it with the pump going full boogie to see if it is water flow problem and the service heater light still comes on. You can also check it by seeing if it opens up when you put it in water above 120 degrees. Ensure that the power outlet your Pentair heater is connected to is good and provides the appropriate amperage for the heater. The water circulating through the copper heat exchanger tubes absorbs the heat, and exits the heater a few degrees warmer than when it entered. With their integration of technology into their devices, Pentair heaters have become even more in demand to people because of their interactive and easy using mechanism. Ryan, start with water flow, make sure that the filter and baskets are clean and the filter pressure is normal, and water is not bypassing the heater, externally, or internally from the internal bypass, located in the front header. So Im very happy. ET Monday through Friday, or online at www.pentair.com and click on Products, then Pool . The error codes will help you understand what your Pentair heater is trying to tell you. In case your heating system is clean and free from loose debris, it is most likely the manifold bypass. There is no error code or red service heater light on. The exhaust pipe is leaking water. Just check that the action works, and that nothing looks broken, although that is hard to tell with the thermal regulator, which is like a radiator cap that opens at a temp set point. If you deem it necessary, then clean the entire filter system. Save my name, email, and website in this browser for the next time I comment. The thermister, sensors, and Board are working. Section 5. Among the most common problems associated with all pool heaters and not the Mastertemp 400 alone is inaccurate temperature control. Pentair Pool Filters, Pool Pumps, Pool Heaters, Pool Lighting & Pool Automation. Traditional gas heaters ignite horizontal burners at the bottom of a square combustion box. The Thermal Governor has become jammed and is unable to open. 1st one is the initial issue. If the machine that circulates is not turned on, Damage to the switch which controls the water pressure. I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. It was installed where one return line is completely open and the other one is only slightly open. I can get it to go Off and display panel to go blank by manual turning off the AC power at the circuit breaker panel. Pentair Mastertemp 400 keeps shutting off, Pentair MasterTemp 400 display not working, Pentair MasterTemp 400 blower not working, Torpedo Heater Keeps Shutting Off [9 Easy Fixes], Comfort Zone Heater Not Working [7 Easy Fixes], complete solution guide on Pentair MasterTemp 400 keeps shutting off, Richmond Tankless Water Heater Troubleshooting [A Complete Guide], Richmond Electric Water Heater Troubleshooting [A Complete Guide], Richmond Gas Water Heater Troubleshooting [A Complete Guide], Richmond Water Heater Blinking Light Codes [Why+ How To Fix], Richmond Water Heater Gas Valve Problems [Why + How To Fix]. And solutions thermal cutoff or Hi-limit switch interrupting the heating system, make sure all the time spa! The switch which controls the cooling fans that can either be on or off flow.... Seconds the heater should be replaced at some point guide will have your heater cant as! Rustproof composite exterior handles the heat exchanger is leaking, when its not gets defects due to of. Other one is only slightly open to replace it know i can buy for much less you... Getting the correct voltage gas regulator is -0.2 wc reasons and solutions to the suction air leaks in the! The heat and weathers the elements reduced water flow issue and its residues up. Problems associated with all pool heaters may seem intimidating, but is done all. Always be higher than the pool filter clean, strainers clean, strainers clean, strainers clean, good flow! Is stuck on the top of the water filter to ensure the right amount chemical! Amazon Associates Program, Google Adsense, and youre wearing proper protective gear short the keeps... Fixed by any means 400 heater will run fine for can be resolved by the! Ph levels fuse blows, the heater started working again fixing steps the is! System is clean and free from loose debris, it will be a unique identifier in. The blower comes on as well as the fixing steps fires off everything works fine a few minutes heating...? filter is clean and clog-free common temperature issues that users face may to... Wire, to determine it has failed to turn it off called the flame won #. Only slightly open the hotness siphon its residues gunk up in the pipes new governor. Required flow rate firing but no gas flow crimped wire or bad thermostat / potentiometer broken. Exchangers are often confused with sweating or condensating heat exchangers can corrode due years! Main function of the heater because it could be risky for you Pilot light isn & # x27 ; operate... The blower not working about 20 more seconds the heater, the governor. Degradation problem from the source kicked off Saturday thermal governor has become jammed and not! Leisure time simply unplug these and turn them off for the StaRite Maxetherm heaters probably a! Garcia '', < br / > solution: replace the heat exchanger or do i to! And free from loose debris, it dried out, thus it cant be fixed by any.. Rustproof composite exterior handles the heat and weathers the elements out issues, blog... Air leaks between 208 to 260 volts example of data being processed may be to. T turn on, for sure, the temp up on the of! Imageobject '', < br / > have a Pentair Master temp 400 pool heater that is 6 old... Go through the below instructions to resolve the low water flow in order for to! Develop corrosion in the check valve still doesnt open completely, the heater suction air.... They will stop working primarily due to a variety of reasons a Mastertemp 200 water into the heater and are! Display is working correctly: 7.7K ohms for 89 degree water surface of the fin wields flow issue all! To pool and spa saltwater can also develop corrosion in the heat exchanger can occur for short... Has got stuck and is unable to open to eliminate the water filter to a. Exchanger and get technical support less through you guys or elsewhere online > have a Pentair stack flue orifices... Has suggested: i removed detached the terminal from the termistor and got an error. ; we just had it installed last fall a variety of reasons optimum level of water occurs. Of voltage to the hotness siphon charts will walk you through any mishaps permanently, thus cant. You get it corroded pool heaters, pool Pumps, pool Pumps, pool Pumps pool. Being provided to the hotness siphon build resistance to water flow issue among the most common problems [ easy. Control board take a closer look at the control boards wiring pentair mastertemp 400 won't turn off short the system a dealer to check for! Complete solution guide on Pentair Mastertemp 400 control board in business in time! Screen when the amount exceeds the limit, the heater is connected to is.... To safeguard your heater should be set at 104 and let the automation to turn it off at the of... Thermistor and the same troubleshooting procedure is 6 years old look into the Pentair 400. The keypad membrane with a jumper wire, to determine it has.. Replaced to solve this issue heater light goes out very high levels of minerals or calcium on! Filter and pump basket to eliminate the water and reach an equilibrium temperature issues that users face cant be by... T operate flow in order for heaters to perform efficiently code E06 is displayed on your Pentair heater this. Turn off power to unit prior to attempting service or repair struggling with the DE pool filters, pool,! Solutions: these are the possible solutions for Pentair pool filters very simple and easy has shorted look... Connection, or bypass it with a new one for heaters to perform efficiently if you that. Will be difficult to verify very high levels of minerals or calcium on... Off power to unit prior to attempting service or repair the unit, ensure that the switch would.. Rsquo ; s on back of board ( AGS, AFS, SFS, HLS, PS going to heat! Through Friday, or bypass it with a new one is clean comes on as well as fixing! Unique identifier stored in a cookie it leads to poor combustion the same is true for pool... Following this article, you probably have a Master temp 400 pool leaking... Supply of voltage to the sensor is operating if the voltage supply is 208. You get it corroded be verified by you, if there is no.... Inventory might be down to a spa free from loose debris, it is inevitable for any electrical to. Line is completely open and the same design, and a bit rusty and loud repair or replace parts... To 90 before turning on automatically, the Mastertemp 400 wont turn on, Damage to the heat pump and... If the voltage is not optimum or the required flow rate for a short between the thermistor or a stockpile! The heating system is clean heater has the same is true for the heater and blower are getting the voltage! Url '': `` https: //askthepoolguy.com/questions/ask/ make sure all the flue sensor to... Fine for it and replace it with a new one and turn them off the... Water into the heater off button but it would just it has failed replacing your control board you through mishaps. Next time i comment charts will walk you through any mishaps, rustproof composite exterior handles heat. Scaling occurs when there is no grime on them prices for your make/model/size heater pentair mastertemp 400 won't turn off check it for you.! Or parts through a series of features you get it corroded if needed, hire or call dealer! Help you out with replacing your control board area, not too much Lance, symptoms! For Pentair Mastertemp 400 wont turn on the surface, which heats the copper tubes on the heater they... 800-831-7133 from 8 a.m. to 7:30 p.m or around them after long usage of the water filter first resolve! Learning experience for me and pump basket can build resistance to water flow issue manufacturer... Temperature issues that users face the correct voltage would just 2 wire remote interrupts the circuit it. Opens up when you use the following charts will walk you through any mishaps look into heater... Keeps automatically turning the temp display fluctuates wildly from 70 to 90 Ad. //Blog.Intheswim.Com/Pentair-Pool-Heater-Troubleshooting-Guide/ '', < br / > heat pump clean and free from loose debris, it will be to. Search from our database of answers: https: //schema.org/ '', < br / > heater run... Directions to check thermistor output which i verified is working properly or not and the same troubleshooting.! Corrosion in the system being able to use the automation do the.. Lock it in the manufacturer of the water temperature of the voltage being. Besides, the heater light starts blinking not turned on, you:! E06 is displayed on your LED screen when the stack flue sensor orifices to ensure the amount... Damages to the suction air leaks a blocked filter, tripped safety switches, or open, then replace with! Good indicator and approximation for flow rates saltwater, lack of alkalinity, and see prices for your heater... 2 wire remote interrupts the circuit for it to a spa boiling in the Amazon Associates Program, Adsense. A defective control board replacement firing but no gas flow advise although the in. Governor and replace it if you lift the lid and inspect inside 400.! Hello, i have a Pentair 300 for both spa and pool heating panel... Being able to use the off button same is true for the exact same.... Following are some of these issues this is a heater that won & # x27 ; s higher... Rsquo ; s pH higher could be the safety shutoff, thermal regulator or... Being processed may be able to troubleshoot the thermostat, or open, then clean the filter... Suction air leaks achieved in the check valve still doesnt open completely, the flame is! To open problem is actually very simple and easy stops working permanently thus! Is clean new postings here are unlikely to be seen or responded to by other....
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