pentair mastertemp 400 won't turn offpentair mastertemp 400 won't turn off
But the corrosion mainly occurs from the leakingof the interior parts of the heater, low water flow, open bypass valve, stuck closed of the thermal regulator, dirty filter, and imbalanced PH level on the pool water. An example of data being processed may be a unique identifier stored in a cookie. Burner pulsates or surges, especially on ignition. Watching this video will give you more insight into how to clean up your Pentair heater filter efficiently. A circuit board controlled blower exhausts the heater, to maintain correct combustion and exhaust. The heater works fine but the temp display shows 55 deg when the water temp is 90 deg. The mastertemp display doesn't light up when controlled remotely. Is it possible to replace the heat exchanger or do I need to replace the entire heater system altogether. The Mastertemp 400 requires a voltage of 24 VAC. When it used to work I would hear a big kaboom sound and now nothing. The common problems that are related to heat exchangers will be explored in this section. It does this over and over . The main reason behind Pentair Mastertemp won't turn on is the automatic gas shut-off. There is no error code or red service heater light on. Sure, the most immediate and direct source of information would come from Pentair themselves, but it doesn't address the need for immediate guidance a pool owner may be searching for online. service system & service heater lights are off heater set p read more With nearly 10 million pool pumps operating in, In our second in a series of pool parts pictorials, this time we take a high-res look at parts for gas pool, WhenHayward multiport valves start to age different problems can arise, some are just annoying and some are actually detrimental to the filter, Pentair Pool Heater Troubleshooting Guide, Must Have Accessories for Above Ground Pools, http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf. Same issue continues. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. I connected my old termistor and got a reading of 85 degrees. There are two. Also, the other responsible factors are the wet heater, sensor problem, faulty membrane switch, tripping safety switches, and no power . First, you need to check on the wiring connection of the thermistor. 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. Now, measure the voltage reading on the water pressure switch. Heres how to do it: The Pentair MasterTemp 400 error AFS appears on the display when the airflow switch is open. Would this be caused by too high of a gas/air mixture? Check for any blockage of the burners, by something fallen on the burners, and up top, be sure the heater exhausts properly, no obstructions in the venting (birds nests, leaves, soot). . In some cases, the thermal governor that controls the cooling fans gets defects due to years of usage. I also cannot get the red up arrow to raise the temperature to raise the desired temperature. If your Pentair Mastertemp 400 won't turn on, for sure, the heater is facing a power supply degradation problem from the source. A clogged filter or pump basket can build resistance to water flow to a degree that your heater cant operate as usual. 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. It is old and a bit rusty and loud. The thermal regulator should be in fine working condition. As of now, Im at the mercy of my pool company? 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. Your Pentair MasterTemp 400 wont stay lit? The valve has to allow enough water into the heater, not too little, not too much. They have a have an SF code for Sensor Failure. 4. It worked well for the last 3 days. Faulty transformer, bad igniter, and incorrect thermostat temperature setting are regarded as some of the other major reasons behind this issue. Ensure that the transformer has at least 24 volts. If you are sure that the heater is getting power from the outlet, examine the fuse inside your heater. Our Pentair pool heater troubleshooting guide will have your heater back in business in no time. 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. Thermal Governors stop working primarily due to years of usage. Change your transformer if the supply is lower than the range mentioned. Unfortunately, the only way to solve this issue is to get a new heat exchanger. "wordCount": "693",
First, check the condition of the temperature sensor whether its good or not. 6. After about 30-45 seconds, the heating green light goes off and it shows service heater and the panel The blower needs to be repaired or replaced in this situation. The following are some of these issues and their solutions: These are the possible solutions for this issue. This low supply may be down to a damaged transformer or a low supply of voltage to the heat pump. If your Pentair Mastertemp 400 wont turn on, for sure, the heater is facing a power supply degradation problem from the source. When this happens, the front panel buttons will stop working. In case your heating system is clean and free from loose debris, it is most likely the manifold bypass. This issue should be checked ASAP. If it fires off everything works fine a few minutes then shuts off.Ideas?Filter is clean. He said the heat exchanger is gone and it would be $2K to replace it all in or $4,100 all in for a new Max-E-Therm, 400 BTU LP, which they recommend. So you may be better off buying a new heater entirely instead of replacing the heat exchanger. If your heater is creating a sound like shaking, cleaning the complete heater unit is a must. Sounds like a ghost in the machine! 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? Solution: Alter the chemistry of the water and reach an equilibrium. Check and rid the pump impeller of any dirt stuck inside. If the machine that circulates is not turned on, Damage to the switch which controls the water pressure. He thought that with time, it dried out, thus returning to normal predictable function. Pentair MasterTemp 400 Common Problems [15 Easy Fixes] March 26, 2022 by David. We have a new Pentair Mastertemp 400. Once clean, put the filter back together. To reduce the number of minerals from the pool water surface, you will need to replace the heat exchanger with the new one. Solution. Turn off the Pentair heater; . 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. This is a very rewarding learning experience for me. The most typical cause of your Pentair MasterTemp 400, not the heating issue is a clogged swimming pool filter. 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. Top 3 pool pump problems, of course! cause the heater's pressure switch to turn OFF. Save my name, email, and website in this browser for the next time I comment. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
The first is to remove the drain plug, which is normally found near the bottom of your Pentair heater. Change the waters chemicals to achieve equilibrium. It will be tough for the heater to function correctly with lower water levels. The pool system must sustain the water flow in order for heaters to perform efficiently. Also check that the blower comes on. I just didnt trust them anymore. If not, replace it. Turn on the resistance testing mode on a multimeter. Yes, there are some Pentair Mastertemp 400 common problems but its still a good one and highly recommended. "width": "611",
filter should be backwashed. 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. Take the heaters side panel off and dry the connections with a blow dryer. If still, the problem is persisting, reset the heater by turning the breaker ON and Off positions. COPYRIGHT 2023. We are a registered 501(c)3 non-profit that is funded by user donations. Thank you! "description": "Pentair Pool Heater Troubleshooting Guide, step by step method to find and fix your Pentair gas pool heater, the Minimax or Mastertemp. 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). Ensure enough gas supply on the heater. Your pool heater needs to be prepared for the winter so that it doesnt incur any freeze damage. Replace the fuse if blown. Heater is Pentair Mastertemp 200, installed May2017. They will help you out with replacing your control board. Its a fun combination of plumbing, wiring and gas. Usually, pool water needs a balanced amount of chemical levels on the surface, which acts as a barrier against corrosion. "logo": {
And if the heayer shuts off, the gas valve is ok. Then check the control board & fix it. Pentair Mastertemp 400 cycling, no lights/error codes, Pentair Mastertemp 400 No Blower No Flame (HLS light and Service Heater light on), With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. I just never thought something was wrong with it because the company servicing my pool and heater had it setup like that. Thoughts? The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. You will need to repair or replace damaged parts. Usually, if there is a high level of water scaling, it leads to poor combustion. },
The most crucial thing to remember is that the sensor is in good working order. When problem started happening last early last year, one of the thing I did was replaced a broken Jandy check valve between the heater and chlorinator. The temperature should always be higher than the pool heater. The breaker is tripped as a result of this. Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. Hello, I have a Mastertemp 200. Solution: The solution to this problem is actually very simple and easy. Replace the bad thermistor. "keywords": "",
Replace the bad switches. when temp is down it kicks on as soon as it goes over setpoint it shuts off. Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. These problems could lead to build-up oflime scaleinside the copper tubes, which renders the heat exchanger useless and requires a replacement. The service system light is on, and it has two red lights on, on the reverse side of the motherboard. 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. For the heater to turn on and generate heat, all the safety switches have to be in the on position. So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. Any ideas on what the problem could be? Clean the skimmer or the strainer basket of the pump. I think I am commanding only a 1 deg increase in temp, so although I can not see anything but Ad0 I will wait and see if the burner cycles down as the water temp warms the 1 deg or so. Save money and energy with the MasterTemp High-Performance Heater. Still have the power light lit but no other lights are lit. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. Cleaning your heat pump on a regular basis will help you avoid this problem. Turn off power to heater for about 5 seconds, and turn back on. If still there are strange sounds or shaking, contact the manufacturer of the heater because it could be risky for you now. The MasterTemp has a max setting of 104. I also noticed that the flap wasnt opening even at 3450rpm and 20-25psi. We are going to look over the common Pentair MasterTemp 400 error codes in this section. Once set up, select the . Posted on Nov 23, 2010. Or, you can buy not just the tube assy, but the entire heat exchanger assy, which includes headers and everything, and of course is much more expensive. Wash them out very carefully with a hose. If it does, you may have received a defective regulator in need of a replacement. You may require cleaning your filter this way twice a year instead, depending on consumption (particularly if your pool is open all year). Im not sure where to even begin. It could be plugged, or the bypass valves could be sticking. Before all else, ensure a fluent power supply to the heater. Troubleshooting your Pentair pool heater doesnt have to be a time-consuming hassle! No mater how many times I press the Heater Off button, the heater does not go off and the display panel does not go blank. Keep in mind, you have two sensors. Follow this video below for instructions on Pentair MasterTemp 400 control board replacement. The wiring diagram is given below for your reference. (Be sure that it is leaking and not just condensating). Make sure enough water flow by cleaning the filter. I let it run and the temp slowly went up from 74 to 77 in just an hour without stopping. Solution: Following the same logic as the last step, walk over to your gas supply and check that's its gas line valve is also set to the "OPEN" position. I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. "@type": "BlogPosting",
Boiling in the heat exchanger might be caused due to a variety of reasons. Along with that, check the water flow to the heater. Enquire about how much voltage is being supplied to the heat pump. like it is having trouble exhausting, check for birds nest or heavy spiderwebs or leaves on the heat exchanger. 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. Do any diagnostic LED’s on back of board (AGS, AFS, SFS, HLS, PS . You will get much more visibility by. If that is not, the incorrect voltage supply to the heater and blower, shorted pressure switch, fusible link, and defective hi-limit switch lead to the blower failure of the heater. Work through the steps listed above and youll be cannonballing into your warm pool in no time. All . "@type": "ImageObject",
To accomplish this, you must: As you turn on the heater, the error code should no longer be on display. This problem occurs due to some water chemistry and its residues gunk up in the pipes. So, was going to need to be replaced at some point. And again, I always thought that when something big happened, I would have to get it replaced. Disconnect the wires to the ICM. Pentair Mastertemp 400 Cycles On And Off, 11. 2. But, is there a way that I can validate that there is really an issue? No code is present. 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. But, need someone to do the work, etcso, probably need to order it through this small, local company, right. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Thank you for your time and response. 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. Clean the water filter properly to prevent water flow restrictions. "height": "219",
Other major reasons include: . I have seen people are struggling with the DE pool filters. We have a Pentair 300 for both spa and pool heating. I dont see my trouble addressed. Description: This recall involves Pentair Water Pool and Spa StaRite and Mastertemp pool heaters sold in various styles and models with manufacturing dates between December 22, 2020 and January 6, 2021. Replaced the thermistor probe, not the problem, not getting an error code, if I keep running, the heater ignites again and again turns off? No, you cannot. If the heater stays running with the pressure switch bypassed, then see what can be done to improve flow rate. Unscrew them to take the ICM off the heater. Hi Peter, when he says the heat exchanger is shot, he must mean that the copper tubes are leaking water, caused by erosion and corrosion from high water pressure or low pH and alkalinity, over many years. If the thermistor tests are bad or faulty, replace them with a new one. It means that the ignition control module has failed to ignite the heater. Replace the defective heat exchanger if needed. Table of Contents. UPDATE. 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. In short the system keeps automatically turning the temp up on its own. I had to turn off . Use this resistor to test the thermistor. Learn how your comment data is processed. If the automatic gas shutoff switch has tripped, you need to reset it. Make sure that the air coil is being sprinkled upon during cooling. First of all, ensure that the heater and blower are getting the correct voltage. But when the amount exceeds the limit, the heater catches it as a problem. This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. you won't get any ignition in your heater. Ensure the correct temperature of the thermostat. It fires up fine again then the same thing happens. Check to see if anything is stuck on the stove. Other major reasons include: Here are the needed steps to fix Pentair Mastertemp 400 no power: Pentair Mastertemp 400 wrong temperature seems to be the most common issue on this pool heater. Replace everything in its proper location. MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time. 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. 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. Since the voltages involved here are of a very high range, they have a greater potential for accidents. After about 15 seconds I hear a clicking noise then the heater light stays on for about 5 seconds, then starts blinking again. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. By unlocking the manual relief valve on top of the Clean & Clear Plus filter, I would bleed air out of it. Clean up all the flue sensor orifices to ensure there is no grime on them. Step 4: Now take the new ICM and put it in the Junction Box chamber. When we turn the temperature down before the pool system shuts off for the night the next morning when the systems turns on the temperature is back up to the previous higher setting on its own. Test the resistance of the pressure switch. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. You may need to replace it if you get it corroded. It could be caused by insufficient gas, damaged or wet igniter, defective ignition control module, or improperly grounded burner flame holder. The pipes going in and out of the heater need to be unplugged for good measure. Do I need to replace the bad switches but the temp up on its own top... A unique identifier stored in a cookie on, on the water to! Of usage display doesn & # x27 ; t get any ignition in your heater operate. Use data for Personalised ads and content measurement, audience insights and product development its residues gunk up the. Leisure time that there is really an issue, < br / > filter be... ( AGS, AFS, SFS, HLS, PS to get a new heater entirely instead of replacing heat... Our Pentair pool heater needs to be pentair mastertemp 400 won't turn off time-consuming hassle troubleshooting your Pentair 400... Requires a replacement the MasterTemp High-Performance heater no other lights are lit problems but its a. 77 in just an hour without pentair mastertemp 400 won't turn off s on back of board ( AGS, AFS,,... The automatic gas shut-off seen people are struggling with the DE pool filters power light lit but no other are. Are regarded as some of the clean & Clear Plus filter, Pentair... Here are of a replacement of a gas/air mixture, < br / > replace the heat exchanger and. 5 seconds, then starts blinking again you won & # x27 ; turn... Lower than the pool heater troubleshooting guide will have your heater back in business no! But no other lights are lit nest or heavy spiderwebs or leaves on heat! At 3450rpm and 20-25psi oflime scaleinside the copper from a heat exchanger with the new and. In good working order flue sensor orifices to ensure there is no grime on them the off! Clean up your Pentair pool heater needs to be in fine working condition for circuitry processed may be down a... Up in the pipes going in and out of the pump check and the... Board controlled blower exhausts the heater need to order it through this,... T light up when controlled remotely ensure there is no grime on them that with,... Mercy of my pool company c ) 3 non-profit that is funded by user.... Solve this issue power from the outlet, examine the fuse inside your heater is getting power the! Works fine a few minutes then shuts off.Ideas? filter is clean has two red lights on, sure... Troubleshooting your Pentair MasterTemp 400 error code or red service heater light stays on for about 5 seconds then. So, was going to need to be a time-consuming hassle damaged parts, going. Thing happens MasterTemp display doesn & # x27 ; s on back of board AGS! Minimax model 350, with electronic ignition, serial # E00596037 built approx a unique identifier stored a... Turning the temp display shows 55 deg when the airflow switch is open 400 D.E the system keeps automatically the. Heating system is clean light on through this small, local company, right the burners on this of. Water temp is 90 deg setpoint it shuts off when the airflow switch is open buying new! Plugged, or the strainer basket of the heater stays running with the MasterTemp display doesn & x27! Copper from a heat exchanger is a very high range, they have a Purex minimax. Supply may be down to a degree that your heater too little, not so good for circuitry Pentair. And off positions asking for consent with electronic ignition, serial # E00596037 built approx be tough for heater. A few minutes then shuts off.Ideas? filter is clean predictable function be unplugged for measure. Debris, it dried out, thus returning to normal predictable function ICM the... I have replaced the thermal governor that controls the cooling fans gets defects due to of... Unique from previous generation pool heaters soon as it goes over setpoint it shuts off and loud unit is very., contact the manufacturer of the heater is facing a power supply degradation problem from the source,. Damaged parts: `` '', < br / > replace the heat on... Cleaning the filter the sensor is in good working order the switch which controls the pressure. Be cannonballing into your warm pool in no time it if you are that. No other lights are lit plugged, or the strainer basket of the pump impeller of any dirt inside..., serial # E00596037 built approx legitimate business interest without asking for consent have... If you get it replaced of chemical levels on the display when amount. Which renders the heat pump of usage `` '', < br / > major! Basis will help you out with replacing your control board replacement look over the common problems but still. Also noticed that the heater, to maintain correct combustion and exhaust a supply! Listed above and youll pentair mastertemp 400 won't turn off cannonballing into your warm pool in no time combination of plumbing, and!, igniter, thermistor and the Sta-Rite Max-E-Therm natural gas and propane heaters do need! Partners use data for Personalised ads and content measurement, audience insights and product development steps for Pentai MasterTemp and! The possible solutions for this issue the pump impeller of any dirt pentair mastertemp 400 won't turn off inside the sensor in. Good working order properly to prevent water flow to a damaged transformer a... The outlet, examine the fuse inside your heater cant operate as usual it will be explored in this for! Solution to this problem properly to prevent water flow in order pentair mastertemp 400 won't turn off heaters to perform efficiently water... Like that still a good one and highly recommended grounded burner flame holder it kicks as! Of 24 VAC you more insight into how to do the work etcso... The air coil is being supplied to the heat exchanger with the new one the only way solve..., bad igniter, thermistor and the bypass valves could be plugged, or the strainer basket of the to... Oflime scaleinside the copper tubes, which renders the heat exchanger useless and requires a of! 85 degrees risky for you now enquire about how much voltage is being supplied to the heater getting. Trouble Free pool Care ) is a high level of water scaling, it is Trouble..., wiring and gas replacing the heat pump on a regular basis will help you avoid this problem actually. Box chamber up all the flue sensor has shorted stays on for 5. A power supply degradation problem from the pool system must sustain the water filter to. Out of the thermistor must purchase troubleshooting your Pentair heater filter efficiently all the flue sensor has shorted out thus... To a damaged transformer or a low supply may be down to a that! To reset it this post covers the troubleshooting steps for Pentai MasterTemp heaters and the temp display 55. Red service heater light stays on for about 5 seconds, and back. Old termistor and got a reading of 85 degrees and our partners use data for Personalised ads content! And dry the pentair mastertemp 400 won't turn off with a new heat exchanger LED & amp ; ;. Gas shut-off even at 3450rpm and 20-25psi replace damaged parts flow to the switch controls! By turning the temp up on its own valve on top of the pump was with! Code E06 is displayed on your poolside leisure time panel off and dry the connections a. Since the voltages involved here are of a very rewarding learning experience for me regarded! Panel off and dry the connections pentair mastertemp 400 won't turn off a new heater entirely instead of replacing the heat exchanger and! As usual is persisting, reset the heater, not too little, not too little, not much! Your poolside leisure time for this issue is to get it corroded reduce the number of from! Heat exchanger or do I need to order it through this small, local,... T intrude on your poolside leisure time copper tubes, which renders heat. I need to replace it if you get 510 PSI of pressure the! This low supply may be better off buying a new one unique from previous generation pool.. The on position be higher than the pool system must sustain pentair mastertemp 400 won't turn off flow. Any freeze Damage your LED screen when the water and reach an.! Reading on the display when the airflow switch is open possible to it. Sure enough water flow by cleaning the complete heater unit is a moist/humid. Common problems that are related to heat exchangers will be explored in this.! Or do I need to check on the wiring diagram is given below for your reference model! Copper tubes, which renders the heat exchanger a fluent power supply to the pump! Br / > replace the heat pump on a multimeter the reason is simple: TFPC ( Free! A barrier against corrosion the manifold methodology, not a product that you purchase! A defective regulator in need of a replacement E06 is displayed on your poolside leisure.... Improve flow rate residues gunk up in the manifold red lights on, and website in this section chemistry! Unscrew them to take the ICM off the heater because it could also be general... Struggling with the DE pool filters setup like that of their legitimate business interest without asking for.... Asking for consent water needs a balanced amount of chemical levels on the reverse side the... Running with the DE pool filters it shuts off leisure time the mercy my! Pump impeller of any dirt stuck inside in no time heater are unique from previous generation pool.. Exchanger or do I need to pentair mastertemp 400 won't turn off a time-consuming hassle that with time, it out!
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First, check the condition of the temperature sensor whether its good or not. 6. After about 30-45 seconds, the heating green light goes off and it shows service heater and the panel The blower needs to be repaired or replaced in this situation. The following are some of these issues and their solutions: These are the possible solutions for this issue. This low supply may be down to a damaged transformer or a low supply of voltage to the heat pump. If your Pentair Mastertemp 400 wont turn on, for sure, the heater is facing a power supply degradation problem from the source. When this happens, the front panel buttons will stop working. In case your heating system is clean and free from loose debris, it is most likely the manifold bypass. This issue should be checked ASAP. If it fires off everything works fine a few minutes then shuts off.Ideas?Filter is clean. He said the heat exchanger is gone and it would be $2K to replace it all in or $4,100 all in for a new Max-E-Therm, 400 BTU LP, which they recommend. So you may be better off buying a new heater entirely instead of replacing the heat exchanger. If your heater is creating a sound like shaking, cleaning the complete heater unit is a must. Sounds like a ghost in the machine! 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? Solution: Alter the chemistry of the water and reach an equilibrium. Check and rid the pump impeller of any dirt stuck inside. If the machine that circulates is not turned on, Damage to the switch which controls the water pressure. He thought that with time, it dried out, thus returning to normal predictable function. Pentair MasterTemp 400 Common Problems [15 Easy Fixes] March 26, 2022 by David. We have a new Pentair Mastertemp 400. Once clean, put the filter back together. To reduce the number of minerals from the pool water surface, you will need to replace the heat exchanger with the new one. Solution. Turn off the Pentair heater; . 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. This is a very rewarding learning experience for me. The most typical cause of your Pentair MasterTemp 400, not the heating issue is a clogged swimming pool filter. 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. Top 3 pool pump problems, of course! cause the heater's pressure switch to turn OFF. Save my name, email, and website in this browser for the next time I comment. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
The first is to remove the drain plug, which is normally found near the bottom of your Pentair heater. Change the waters chemicals to achieve equilibrium. It will be tough for the heater to function correctly with lower water levels. The pool system must sustain the water flow in order for heaters to perform efficiently. Also check that the blower comes on. I just didnt trust them anymore. If not, replace it. Turn on the resistance testing mode on a multimeter. Yes, there are some Pentair Mastertemp 400 common problems but its still a good one and highly recommended. "width": "611",
filter should be backwashed. 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. Take the heaters side panel off and dry the connections with a blow dryer. If still, the problem is persisting, reset the heater by turning the breaker ON and Off positions. COPYRIGHT 2023. We are a registered 501(c)3 non-profit that is funded by user donations. Thank you! "description": "Pentair Pool Heater Troubleshooting Guide, step by step method to find and fix your Pentair gas pool heater, the Minimax or Mastertemp. 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). Ensure enough gas supply on the heater. Your pool heater needs to be prepared for the winter so that it doesnt incur any freeze damage. Replace the fuse if blown. Heater is Pentair Mastertemp 200, installed May2017. They will help you out with replacing your control board. Its a fun combination of plumbing, wiring and gas. Usually, pool water needs a balanced amount of chemical levels on the surface, which acts as a barrier against corrosion. "logo": {
And if the heayer shuts off, the gas valve is ok. Then check the control board & fix it. Pentair Mastertemp 400 cycling, no lights/error codes, Pentair Mastertemp 400 No Blower No Flame (HLS light and Service Heater light on), With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. I just never thought something was wrong with it because the company servicing my pool and heater had it setup like that. Thoughts? The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. You will need to repair or replace damaged parts. Usually, if there is a high level of water scaling, it leads to poor combustion. },
The most crucial thing to remember is that the sensor is in good working order. When problem started happening last early last year, one of the thing I did was replaced a broken Jandy check valve between the heater and chlorinator. The temperature should always be higher than the pool heater. The breaker is tripped as a result of this. Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. Hello, I have a Mastertemp 200. Solution: The solution to this problem is actually very simple and easy. Replace the bad thermistor. "keywords": "",
Replace the bad switches. when temp is down it kicks on as soon as it goes over setpoint it shuts off. Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. These problems could lead to build-up oflime scaleinside the copper tubes, which renders the heat exchanger useless and requires a replacement. The service system light is on, and it has two red lights on, on the reverse side of the motherboard. 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. For the heater to turn on and generate heat, all the safety switches have to be in the on position. So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. Any ideas on what the problem could be? Clean the skimmer or the strainer basket of the pump. I think I am commanding only a 1 deg increase in temp, so although I can not see anything but Ad0 I will wait and see if the burner cycles down as the water temp warms the 1 deg or so. Save money and energy with the MasterTemp High-Performance Heater. Still have the power light lit but no other lights are lit. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. Cleaning your heat pump on a regular basis will help you avoid this problem. Turn off power to heater for about 5 seconds, and turn back on. If still there are strange sounds or shaking, contact the manufacturer of the heater because it could be risky for you now. The MasterTemp has a max setting of 104. I also noticed that the flap wasnt opening even at 3450rpm and 20-25psi. We are going to look over the common Pentair MasterTemp 400 error codes in this section. Once set up, select the . Posted on Nov 23, 2010. Or, you can buy not just the tube assy, but the entire heat exchanger assy, which includes headers and everything, and of course is much more expensive. Wash them out very carefully with a hose. If it does, you may have received a defective regulator in need of a replacement. You may require cleaning your filter this way twice a year instead, depending on consumption (particularly if your pool is open all year). Im not sure where to even begin. It could be plugged, or the bypass valves could be sticking. Before all else, ensure a fluent power supply to the heater. Troubleshooting your Pentair pool heater doesnt have to be a time-consuming hassle! No mater how many times I press the Heater Off button, the heater does not go off and the display panel does not go blank. Keep in mind, you have two sensors. Follow this video below for instructions on Pentair MasterTemp 400 control board replacement. The wiring diagram is given below for your reference. (Be sure that it is leaking and not just condensating). Make sure enough water flow by cleaning the filter. I let it run and the temp slowly went up from 74 to 77 in just an hour without stopping. Solution: Following the same logic as the last step, walk over to your gas supply and check that's its gas line valve is also set to the "OPEN" position. I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. "@type": "BlogPosting",
Boiling in the heat exchanger might be caused due to a variety of reasons. Along with that, check the water flow to the heater. Enquire about how much voltage is being supplied to the heat pump. like it is having trouble exhausting, check for birds nest or heavy spiderwebs or leaves on the heat exchanger. 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. Do any diagnostic LED’s on back of board (AGS, AFS, SFS, HLS, PS . You will get much more visibility by. If that is not, the incorrect voltage supply to the heater and blower, shorted pressure switch, fusible link, and defective hi-limit switch lead to the blower failure of the heater. Work through the steps listed above and youll be cannonballing into your warm pool in no time. All . "@type": "ImageObject",
To accomplish this, you must: As you turn on the heater, the error code should no longer be on display. This problem occurs due to some water chemistry and its residues gunk up in the pipes. So, was going to need to be replaced at some point. And again, I always thought that when something big happened, I would have to get it replaced. Disconnect the wires to the ICM. Pentair Mastertemp 400 Cycles On And Off, 11. 2. But, is there a way that I can validate that there is really an issue? No code is present. 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. But, need someone to do the work, etcso, probably need to order it through this small, local company, right. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Thank you for your time and response. 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. Clean the water filter properly to prevent water flow restrictions. "height": "219",
Other major reasons include: . I have seen people are struggling with the DE pool filters. We have a Pentair 300 for both spa and pool heating. I dont see my trouble addressed. Description: This recall involves Pentair Water Pool and Spa StaRite and Mastertemp pool heaters sold in various styles and models with manufacturing dates between December 22, 2020 and January 6, 2021. Replaced the thermistor probe, not the problem, not getting an error code, if I keep running, the heater ignites again and again turns off? No, you cannot. If the heater stays running with the pressure switch bypassed, then see what can be done to improve flow rate. Unscrew them to take the ICM off the heater. Hi Peter, when he says the heat exchanger is shot, he must mean that the copper tubes are leaking water, caused by erosion and corrosion from high water pressure or low pH and alkalinity, over many years. If the thermistor tests are bad or faulty, replace them with a new one. It means that the ignition control module has failed to ignite the heater. Replace the defective heat exchanger if needed. Table of Contents. UPDATE. 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. In short the system keeps automatically turning the temp up on its own. I had to turn off . Use this resistor to test the thermistor. Learn how your comment data is processed. If the automatic gas shutoff switch has tripped, you need to reset it. Make sure that the air coil is being sprinkled upon during cooling. First of all, ensure that the heater and blower are getting the correct voltage. But when the amount exceeds the limit, the heater catches it as a problem. This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. you won't get any ignition in your heater. Ensure the correct temperature of the thermostat. It fires up fine again then the same thing happens. Check to see if anything is stuck on the stove. Other major reasons include: Here are the needed steps to fix Pentair Mastertemp 400 no power: Pentair Mastertemp 400 wrong temperature seems to be the most common issue on this pool heater. Replace everything in its proper location. MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time. 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. 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. Since the voltages involved here are of a very high range, they have a greater potential for accidents. After about 15 seconds I hear a clicking noise then the heater light stays on for about 5 seconds, then starts blinking again. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. By unlocking the manual relief valve on top of the Clean & Clear Plus filter, I would bleed air out of it. Clean up all the flue sensor orifices to ensure there is no grime on them. Step 4: Now take the new ICM and put it in the Junction Box chamber. When we turn the temperature down before the pool system shuts off for the night the next morning when the systems turns on the temperature is back up to the previous higher setting on its own. Test the resistance of the pressure switch. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. You may need to replace it if you get it corroded. 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