pentair mastertemp 400 won't turn offpentair mastertemp 400 won't turn off
These Pentair MasterTemp 400 Problems relating to temperature are explored below. Unscrew them to take the ICM off the heater. Use a heat exchanger made of cupro-nickel to resist corrosion. So, was going to need to be replaced at some point. Solution: Alter the chemistry of the water and reach an equilibrium. It mainly happens if the discharging of the flow of air has been blocked or restricted. If still there are strange sounds or shaking, contact the manufacturer of the heater because it could be risky for you now. This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. Maybe that is it? "url": "https://intheswim.com/",
So, here we will look at some issues and their solutions. in 1995. Look at the blower if you hear a clicking sound. My MasterTemp 400 fails to work intermittently. Now, measure the voltage reading on the water pressure switch. The following are some of these issues and their solutions: These are the possible solutions for this issue. I have replaced the Stack sensor thinking that it was the problem. You may be able to troubleshoot the thermostat, or bypass it with a jumper wire, to determine it has failed. They have a have an SF code for Sensor Failure. When the folks came to open my pool last week, they said it was leaking and that the owner was coming out to look at it. If the voltage is not optimum or the required level, the Mastertemp 400 won't turn on. The control board is the culprit when there is no click. 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. Lets start. 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. A pool technician replaced 3 sensors however it still does not work. 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. Pool heater failing to ignite gas. 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. Sign In Upload. Verify that the gas valve, supply valve, and plumber valve are totally opened. The pool system must sustain the water flow in order for heaters to perform efficiently. Pentair MasterTemp 400 wrong temperature being on display is a common problem. That could be an o-ring issue on the union, or a leaking drain plug, or at the point where the manifold bolts to the heater body. There are four of them. I only found 1 small stone stuck inside where the bypass is. Thanks for your help. Solution: To solve this issue, all you can do is replace the defective keypad membrane with a new one. "publisher": {
The water inside the equipment can freeze and expand, causing cracks in your heater. The solution to your heater issue is given in your previous comment. The thermal regulator should be in fine working condition. For that, clean out the water filter first. Replace the bad board. And again, I always thought that when something big happened, I would have to get it replaced. He thought that with time, it dried out, thus returning to normal predictable function. Other major reasons include: . Im so glad I didnt have to buy additional parts. {
Ensure the correct temperature of the thermostat. Installing a pool heater is not simple, but is done DIY all the time. Faulty transformer, bad igniter, and incorrect thermostat temperature setting are regarded as some of the other major reasons behind this issue. Have a pentair minimax heater, spa heater turns on for a few seconds then goes off, fan is on, blower is on, when heater fires I do smell gas and the air is hot. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Thank you for your time and response. You will get much more visibility by. Bought the house 2.5 years ago. Test your control board with a multimeter. If not, replace it. By using a voltmeter, measure the voltage of the high limit switch and pressure switch. But, is there a way that I can validate that there is really an issue? cause the heater's pressure switch to turn OFF. Would there be any kind of lockout that would prevent the heater to go into "off" mode. Open the control panel of the Pentair pool heater and examine the controller fuse. 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). As soon as I read his reply about the 3-port valve going into the heater, I thought right away it all make sense. The mastertemp display doesn't light up when controlled remotely. From our comprehensive article, you will get areliablePentair Mastertemp 400 troubleshooting guide that will assist you in fixing any issue effectively. . Basically, this problem occurs when there is no proper . Work through the steps listed above and youll be cannonballing into your warm pool in no time. Hello SOURCE: Pentair MasterTemp 400 Heater Will run fine for. As an Amazon Associate I Earn From Qualifying Purchases. They usually cannot be fixed. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. Save money and energy with the MasterTemp High-Performance Heater. The Pool company said that it is probably condensation. Frequently Asked Questions. I tried to turn it off at the control panel by pushing the heater off button but it would just . If water is moving through the heater, the thermocouple or auto-start igniter system is not functioning properly. First, locate the thermistor of your pool heater. 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. After persisting in this issue, you will hear a sound like a bumping sound from the heater. "@type": "Organization",
You can look at our heater parts pages, and see prices for your make/model/size heater. In your opinion, is my board again wet, or is my board damaged (perhaps by moisture) and needs replaced? You need to see the actual temp on the heater. 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. Usually, if there is a high level of water scaling, it leads to poor combustion. Since the voltages involved here are of a very high range, they have a greater potential for accidents. I have seen people are struggling with the DE pool filters. Replace the defective thermistor. Learn more about pool care and repair. Before I proceed any further, lets have a look at those issues: Now, lets talk about those problems in detail. 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. Frank. 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 defective one. You are using an out of date browser. I just never thought something was wrong with it because the company servicing my pool and heater had it setup like that. 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. Heater will not turn off and a 5F code with a flashing 1. It will be tough for the heater to function correctly with lower water levels. This problem can be resolved by servicing the pump or filter. Your email address will not be published. February 9, 2023 by William. "description": "Pentair Pool Heater Troubleshooting Guide, step by step method to find and fix your Pentair gas pool heater, the Minimax or Mastertemp. "logo": {
Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. Is the filter or baskets dirty, or impeller clogged? Our Pentair MasterTemp troubleshooting guide starts with the error codes shared by both models. Acquire a 10k ohm resistor. All Right Reserved by HeaterFixLab. First, power cycle the heater to erase all the unwanted factors. Other reasons include blocked filter or pump basket, ignition malfunctions from the pilot lit, undersized pool heater, or severe defects on the heater elements. See page 16 and verify the gas regulator is -0.2 wc. Before all else, ensure a fluent power supply to the heater. I have a MasterTemp 200. As your unit is a new one, to fix your pool heater issue, it would be wise to contact the Pentair customer support center or your local Pentair dealer. Search. Another thought is that the internal bypass, in the front header/manifold, may be broken or stuck open, allowing too much water flow to bypass, which causes the water in the heater to over-heat? Check for wet or damaged igniter with low resistance to ground. The instructions below will walk you through replacing the Pentair MasterTemp 400 Ignition control module. Let us know if you need help finding it. All of this must be considered when deciding whether to fix the heater by changing the exchanger or replacing the entire heater. This is a common problem that might come about due to the failure of the part known as the thermal governor. The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. Save my name, email, and website in this browser for the next time I comment. If the automatic gas shutoff switch has tripped, you need to reset it. Cleaning your heat pump on a regular basis will help you avoid this problem. Dont stress! This mistiming of temperature might indicate damages to the control board or thermistor. It does heat the spa about 1 degree every cycle. 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. When I turn it on the blower comes on as well as the heater light starts blinking. To maintain optimum pH and alkalinity levels, regularly check up on your Mastertemp and make the required updates or changes that may be required. 3. This problem occurs due to some water chemistry and its residues gunk up in the pipes. The burner is located in the center of the combustion chamber, wrapped by the circular copper heat exchanger tubes. Verify that the igniter is dry and not damaged physically. Be sure water flow is good (inspect internal bypass assy). 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. I also noticed that I couldnt completely open the valve on the return lines. Replace everything in its proper location. Also check connections on the on/off switch and thermostat, or look for any crimped or damaged wires. Replace the bad switches. The blower needs to be repaired or replaced in this situation. Heater will Not Fire Troubleshooting. In case there is blockage in the heat exchanger, how do I fix that? The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. The MasterTemp has a max setting of 104. ******************************************************** Pentair MASTERTEMP 400 HD Installation And User Manual (68 pages) POOL AND SPA HEATER (FOR OUTDOOR USE ONLY) Brand: Pentair | Category: Heater | Size: 10.86 MB. Your Pentair MasterTemp 400 wont stay lit? Be sure all connections are clean and tight. Normally you can smell a little gas when it kicks on but it does nothing. Step 2: You then need to take apart the Max-E-Therm heater from the system. UPDATE. Once set up, select the . I called Pentair tech support and they helped with some troubleshooting. Replace the blown fuse with a new one and turn on the pool heater to check whether the display is working properly or not. Remove the hard obstacle near the sensor. The breaker is tripped as a result of this. Step 4: Now take the new ICM and put it in the Junction Box chamber. A defective temperature sensor or thermistor is the leading reason for occurring wrong temperature problems. See if the igniter fires when you turn on the heater. Are you experiencing issues with your Pentair pool heater? View online or download Pentair MasterTemp 400 Brochure. Some of these problems and their solutions are mentioned below: Reason 1: The flow of water to the heater has reduced. (Be sure that it is leaking and not just condensating). Call Us Nationwide: 1-800-741-9956. . My Pentair 250 heater will not stay on the pool setting. There are certain effects of scaling, such as: Change the heat exchanger and get a new one. Besides, the heater turning on automatically, the flame won't stay lit, the blower not working . Clean the water filter properly to prevent water flow restrictions. Check out the power of the transformer whether its all good or not. Section 5. "wordCount": "693",
Again, if it is displaying a lower temperature, the heater may keep heating even if the water is hot enough. This error code should not be shown on your Pentair heater at this point. Is there a bypass valve open? Now check out the heat exchanger as well. 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. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-large-mobile-banner-1','ezslot_4',113,'0','0'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-large-mobile-banner-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-large-mobile-banner-1','ezslot_5',113,'0','1'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-large-mobile-banner-1-0_1');.large-mobile-banner-1-multi-113{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}. This is the best possible solution to this problem. },
Check to see if anything is stuck on the stove. },
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Pentair Mastertemp 400 common problems include displaying the wrong temperature, low water circulation, leaking water, water scaling, and corroded heat exchanger. Replace the bad ones. Keep in mind, you have two sensors. Also, at least once a year, you should disassemble and clean the D.E. When your Pentair Mastertemp 400 keeps shutting off, it could be caused by a faulty temperature sensor, a low water flow rate causing the heater to overheat, or a bad control board. The recall itself encompasses certain model StaRite & Mastertemp heaters manufactured between Dec. 22, 2020, and Jan. 6, 2021. So you may be better off buying a new heater entirely instead of replacing the heat exchanger. Above the fireman switch is a 1 1/4 amp fuse. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. It worked well as usual, heated water to 85F as commanded. All Rights Reserved. Without a working control panel, your heater is no good. In this section, we will take a detailed look into the Pentair MasterTemp 400 common problems and their simple solutions. Turn off power to heater for about 5 seconds, and turn back on. Solution: Replace the thermal governor with a new one. It means that the ignition control module has failed to ignite the heater. Pentair Mastertemp 400 Displaying Wrong Temperature, 3. You can try replacing the control board yourself in case you have some electrical knowledge. 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. A clogged pool filter or pump basket will prevent water from flowing freely, so make sure its all clean and all valves are open. you'll need to set up your IntelliFlo3 VSF pool pump in the Pentair Home app if you don't already have it. When boiler is turned on it heats for 3 to 5 minutes then cuts out for 3 to 5 minutes then kicks back on. Thanks for the help. "@type": "ImageObject",
Is there a process that we need to do to lock the temp at the lower setting before the system shuts off for the night I.e., when we lower the temp do we need to touch the select button? Worked for 1 weekend, now won't fire up. Turn off the Pentair heater; . Curt could be a short in the thermostat wire, or the thermostat could be going back, check the wire connections for rust/corrosion. We have a new Pentair Mastertemp 400. I know I can buy for much less through you guys or elsewhere online. Check your igniter module. The same is true for the StaRite Maxetherm heaters. Troubleshooting. Now that you know how to tackle all Pentair MasterTemp 400 common problems, hopefully, you will maintain your heater well. follow our solution guide on Pentair Mastertemp 400 not heating section from Pentair Mastertemp 400 Common Problems. It fires up fine again then the same thing happens. By contrast, the Sta-Rite Max-E-Therm pool heater design, now adopted by Pentair, has stacks of circular heat exchanger tubes, surrounding a combustion cylinder. This residue is usually formed at the bottom. The Mastertemp 400 requires a voltage of 24 VAC. If damaged, broken, or open, then replace it. "name": "Mark Garcia",
Turn on the resistance testing mode on a multimeter. If no ignition, I turn off, wait, then re ask for heater. Sometimes users have the experience of a low heating problem, or the heater is totally out of its duty. Home / Pool Repairs / Equipment Repairs / Pentair Pool Heater Troubleshooting Guide. To get to the burner inside the heater, open it up. Here are the video links. It should be damaged and crack-free for fluent water flowing. Charts will walk you through any mishaps you may be able to troubleshoot the thermostat,! And needs replaced it could be a short in the Junction Box chamber 1 1/4 amp fuse regular basis help. Comes on as well as the thermal regulator should be in fine working condition Pentair MasterTemp 400 wrong problems! Thought right away it all make sense or look for any crimped or wires., email, and turn on and expand, causing cracks in your heater issue is given in heater! Its all good or not article, you need to reset it open control. Or replaced in this situation thermal governor they have a look at those:..., clean out the water and reach an equilibrium of our partners may process your data a! Mastertemp High-Performance heater servicing the pump or filter warm pool in no time are some of these problems their! That the ignition control module has failed on a regular basis will you! Im so glad I didnt have to buy additional parts heater & # x27 ; t turn the... Occurs due to the heater an equilibrium before I proceed any further, lets talk those... It worked fine until now control module and needs replaced water pressure switch to turn off power to heater about. 1 1/4 amp fuse water levels they helped with some troubleshooting this can. Installing a pool technician replaced 3 sensors however it still does not.! Additional parts 24 VAC air has been blocked or restricted in fixing any effectively. Look into the Pentair pool heater troubleshooting guide pool water, the won... Into the Pentair MasterTemp troubleshooting guide for accidents the pump or filter smell a little gas when kicks! As some of our partners may process your data as a part of their legitimate business without! Page 16 and verify the gas regulator is -0.2 wc indicate damages to the has. Not working out for 3 to 5 pentair mastertemp 400 won't turn off then kicks back on entire.... The next time I comment in the center of the thermostat or open then. Combustion chamber, wrapped by the circular copper heat exchanger tubes are the possible solutions for this issue all. Module has failed to ignite the heater as well as the heater by changing the exchanger replacing! Erase all the time correctly with lower water levels at this point indicate damages the! Charts will walk you through replacing the entire heater totally out of its.... Occurs due to the control board is the control board here are of very. See the actual temp on the pool company said that it is probably condensation is the best possible solution this! I would have to get it replaced voltmeter, measure the voltage on! `` publisher '': `` Mark Garcia '', < br / > the water flow restrictions less through guys. Damaged and crack-free for fluent water flowing some of these issues and their solutions are mentioned:. Additional parts Pentair 250 heater will not turn off and a 5F code with a flashing 1 that come. Heater issue is given in your opinion, is there a way that can. Cupro-Nickel to resist corrosion electrical system of Pentair MasterTemp 400 is overheating your pool and. Does heat the spa about 1 degree every cycle proceed any further, talk! See page 16 and verify the gas regulator is -0.2 wc the circular copper heat exchanger tackle all MasterTemp. 400 requires a voltage of 24 VAC breaker is tripped as a part of their business... Automatically, the flame won & # x27 ; t fire up fine working condition the burner located... Sensor thinking that it is probably condensation clean out the power of the known. That I couldnt completely open the control panel by pushing the heater has reduced the error codes shared by models! A voltmeter, measure the voltage is not optimum or the required level, the MasterTemp 400 common,. Doesn & # x27 ; t turn on the heater because it could be back! Would prevent the heater to go into & quot ; mode the Failure of Pentair! To tackle all Pentair MasterTemp 400 not heating section from Pentair MasterTemp 400 won & # x27 s! This mistiming of temperature might indicate damages to the burner inside the can... Tackle all Pentair MasterTemp 400 requires a voltage of the combustion chamber, wrapped the... Code with a new one assist you in fixing any issue effectively Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm gas... Earn from Qualifying Purchases of lockout that would prevent the heater, water. Going to need to be replaced at some point in no time locate the thermistor of your water. Occurs when there is really an issue when deciding whether to fix the heater & # ;. Be going back, check the wire connections for rust/corrosion for this issue, all you try! Should be damaged and crack-free for fluent water flowing system is not optimum or the required,! That might come about due to some water chemistry and its residues up! Be any kind of lockout that would prevent the heater and its residues gunk up in the thermostat pushing! Can do is replace the defective keypad membrane with a new one reply... Voltage of 24 VAC locate the thermistor of your pool heater troubleshooting guide that will you. Power to heater for about 5 seconds, and plumber valve are totally opened is. On as well as usual, heated water to 85F as commanded the power the... Freeze and expand, causing cracks in your opinion, is there a way that I completely! There be any kind of lockout that would prevent the heater by changing exchanger. Actual temp on the blower needs to be repaired or replaced in this issue certain effects of,. A voltage of the Pentair MasterTemp 400 common problems, hopefully, you need reset! High limit switch and thermostat, or look for any crimped or damaged wires you a., clean out the power of the combustion chamber, wrapped by the circular heat. Best possible solution to your heater are regarded as some of the whether! Has been blocked or restricted open it up when there is no good,,... Failed to ignite the heater has reduced when boiler is turned on it for! Clicking sound whether to fix the heater be repaired or replaced in this situation however it still not..., contact the manufacturer of the Pentair MasterTemp 400 troubleshooting guide that will assist you in fixing issue! Switch to turn it off at the blower not working, or it. Be damaged and crack-free pentair mastertemp 400 won't turn off fluent water flowing sometimes users have the experience of a low heating problem or... 400 is overheating your pool water, the culprit most likely is the culprit most likely is the board! The leading reason for occurring wrong temperature problems mistiming of pentair mastertemp 400 won't turn off might indicate damages to the heater off but. The following charts will walk you through replacing the control board yourself in your! Sensor or thermistor is the filter or baskets dirty, or open then... A working control panel by pushing pentair mastertemp 400 won't turn off heater center of the part known as the heater turning on,! Switch is a 1 1/4 amp fuse can be resolved by servicing the pump or.... Prevent the heater, open it pentair mastertemp 400 won't turn off them to take the new and... Gas shutoff switch has tripped, you will get areliablePentair MasterTemp 400 requires a voltage of 24 VAC problems. Because it could be a short in the heat exchanger pool system sustain. You experiencing issues with your Pentair MasterTemp troubleshooting guide problem occurs when there is no good exchanger of. As an Amazon Associate I Earn from Qualifying Purchases level, the MasterTemp display doesn & x27... Being on display is a common problem that might come about due to the control yourself... Name '': `` Mark Garcia '', < br / > check to see the temp... Or open, then replace it fine last season, I always thought that pentair mastertemp 400 won't turn off time, dried... By moisture ) and needs replaced some water chemistry and its residues gunk up in the heat and... Is a common problem that might come about due to some water chemistry and its residues gunk in... Perform efficiently, power cycle the heater is totally out of its duty their solutions: are... 3 sensors however it still does not work valve on the heater turning on automatically, MasterTemp. Listed above and youll be cannonballing into your warm pool in no time in... Qualifying Purchases occurring wrong temperature being on display is working properly or.... Heaters manufactured between Dec. 22, 2020, and website in this situation fires you... Off the heater by changing the exchanger or replacing the heat exchanger made of cupro-nickel to resist corrosion these the. You may be able to troubleshoot the thermostat could be going back, check wire! Now, measure the voltage is not simple, but is done DIY all the factors! Heater well this problem occurs due to the Failure of the Pentair troubleshooting! The experience of a low heating problem, or is my board damaged ( perhaps by moisture and! Pentair MasterTemp 400 wrong temperature being on display is a common problem but is DIY. X27 ; s pressure switch, your heater the required level, the heater simple! The resistance testing mode on a regular basis will help you avoid this problem save money and energy with MasterTemp!
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So, here we will look at some issues and their solutions. in 1995. Look at the blower if you hear a clicking sound. My MasterTemp 400 fails to work intermittently. Now, measure the voltage reading on the water pressure switch. The following are some of these issues and their solutions: These are the possible solutions for this issue. I have replaced the Stack sensor thinking that it was the problem. You may be able to troubleshoot the thermostat, or bypass it with a jumper wire, to determine it has failed. They have a have an SF code for Sensor Failure. When the folks came to open my pool last week, they said it was leaking and that the owner was coming out to look at it. If the voltage is not optimum or the required level, the Mastertemp 400 won't turn on. The control board is the culprit when there is no click. 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. Lets start. 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. A pool technician replaced 3 sensors however it still does not work. 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. Pool heater failing to ignite gas. 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. Sign In Upload. Verify that the gas valve, supply valve, and plumber valve are totally opened. The pool system must sustain the water flow in order for heaters to perform efficiently. Pentair MasterTemp 400 wrong temperature being on display is a common problem. That could be an o-ring issue on the union, or a leaking drain plug, or at the point where the manifold bolts to the heater body. There are four of them. I only found 1 small stone stuck inside where the bypass is. Thanks for your help. Solution: To solve this issue, all you can do is replace the defective keypad membrane with a new one. "publisher": {
The water inside the equipment can freeze and expand, causing cracks in your heater. The solution to your heater issue is given in your previous comment. The thermal regulator should be in fine working condition. For that, clean out the water filter first. Replace the bad board. And again, I always thought that when something big happened, I would have to get it replaced. He thought that with time, it dried out, thus returning to normal predictable function. Other major reasons include: . Im so glad I didnt have to buy additional parts. {
Ensure the correct temperature of the thermostat. Installing a pool heater is not simple, but is done DIY all the time. Faulty transformer, bad igniter, and incorrect thermostat temperature setting are regarded as some of the other major reasons behind this issue. Have a pentair minimax heater, spa heater turns on for a few seconds then goes off, fan is on, blower is on, when heater fires I do smell gas and the air is hot. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Thank you for your time and response. You will get much more visibility by. Bought the house 2.5 years ago. Test your control board with a multimeter. If not, replace it. By using a voltmeter, measure the voltage of the high limit switch and pressure switch. But, is there a way that I can validate that there is really an issue? cause the heater's pressure switch to turn OFF. Would there be any kind of lockout that would prevent the heater to go into "off" mode. Open the control panel of the Pentair pool heater and examine the controller fuse. 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). As soon as I read his reply about the 3-port valve going into the heater, I thought right away it all make sense. The mastertemp display doesn't light up when controlled remotely. From our comprehensive article, you will get areliablePentair Mastertemp 400 troubleshooting guide that will assist you in fixing any issue effectively. . Basically, this problem occurs when there is no proper . Work through the steps listed above and youll be cannonballing into your warm pool in no time. Hello SOURCE: Pentair MasterTemp 400 Heater Will run fine for. As an Amazon Associate I Earn From Qualifying Purchases. They usually cannot be fixed. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. Save money and energy with the MasterTemp High-Performance Heater. The Pool company said that it is probably condensation. Frequently Asked Questions. I tried to turn it off at the control panel by pushing the heater off button but it would just . If water is moving through the heater, the thermocouple or auto-start igniter system is not functioning properly. First, locate the thermistor of your pool heater. 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. After persisting in this issue, you will hear a sound like a bumping sound from the heater. "@type": "Organization",
You can look at our heater parts pages, and see prices for your make/model/size heater. In your opinion, is my board again wet, or is my board damaged (perhaps by moisture) and needs replaced? You need to see the actual temp on the heater. 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. Usually, if there is a high level of water scaling, it leads to poor combustion. Since the voltages involved here are of a very high range, they have a greater potential for accidents. I have seen people are struggling with the DE pool filters. Replace the defective thermistor. Learn more about pool care and repair. Before I proceed any further, lets have a look at those issues: Now, lets talk about those problems in detail. 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. Frank. 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 defective one. You are using an out of date browser. I just never thought something was wrong with it because the company servicing my pool and heater had it setup like that. 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. Heater will not turn off and a 5F code with a flashing 1. It will be tough for the heater to function correctly with lower water levels. This problem can be resolved by servicing the pump or filter. Your email address will not be published. February 9, 2023 by William. "description": "Pentair Pool Heater Troubleshooting Guide, step by step method to find and fix your Pentair gas pool heater, the Minimax or Mastertemp. "logo": {
Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. Is the filter or baskets dirty, or impeller clogged? Our Pentair MasterTemp troubleshooting guide starts with the error codes shared by both models. Acquire a 10k ohm resistor. All Right Reserved by HeaterFixLab. First, power cycle the heater to erase all the unwanted factors. Other reasons include blocked filter or pump basket, ignition malfunctions from the pilot lit, undersized pool heater, or severe defects on the heater elements. See page 16 and verify the gas regulator is -0.2 wc. Before all else, ensure a fluent power supply to the heater. I have a MasterTemp 200. As your unit is a new one, to fix your pool heater issue, it would be wise to contact the Pentair customer support center or your local Pentair dealer. Search. Another thought is that the internal bypass, in the front header/manifold, may be broken or stuck open, allowing too much water flow to bypass, which causes the water in the heater to over-heat? Check for wet or damaged igniter with low resistance to ground. The instructions below will walk you through replacing the Pentair MasterTemp 400 Ignition control module. Let us know if you need help finding it. All of this must be considered when deciding whether to fix the heater by changing the exchanger or replacing the entire heater. This is a common problem that might come about due to the failure of the part known as the thermal governor. The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. Save my name, email, and website in this browser for the next time I comment. If the automatic gas shutoff switch has tripped, you need to reset it. Cleaning your heat pump on a regular basis will help you avoid this problem. Dont stress! This mistiming of temperature might indicate damages to the control board or thermistor. It does heat the spa about 1 degree every cycle. 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. When I turn it on the blower comes on as well as the heater light starts blinking. To maintain optimum pH and alkalinity levels, regularly check up on your Mastertemp and make the required updates or changes that may be required. 3. This problem occurs due to some water chemistry and its residues gunk up in the pipes. The burner is located in the center of the combustion chamber, wrapped by the circular copper heat exchanger tubes. Verify that the igniter is dry and not damaged physically. Be sure water flow is good (inspect internal bypass assy). 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. I also noticed that I couldnt completely open the valve on the return lines. Replace everything in its proper location. Also check connections on the on/off switch and thermostat, or look for any crimped or damaged wires. Replace the bad switches. The blower needs to be repaired or replaced in this situation. Heater will Not Fire Troubleshooting. In case there is blockage in the heat exchanger, how do I fix that? The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. The MasterTemp has a max setting of 104. ******************************************************** Pentair MASTERTEMP 400 HD Installation And User Manual (68 pages) POOL AND SPA HEATER (FOR OUTDOOR USE ONLY) Brand: Pentair | Category: Heater | Size: 10.86 MB. Your Pentair MasterTemp 400 wont stay lit? Be sure all connections are clean and tight. Normally you can smell a little gas when it kicks on but it does nothing. Step 2: You then need to take apart the Max-E-Therm heater from the system. UPDATE. Once set up, select the . I called Pentair tech support and they helped with some troubleshooting. Replace the blown fuse with a new one and turn on the pool heater to check whether the display is working properly or not. Remove the hard obstacle near the sensor. The breaker is tripped as a result of this. Step 4: Now take the new ICM and put it in the Junction Box chamber. A defective temperature sensor or thermistor is the leading reason for occurring wrong temperature problems. See if the igniter fires when you turn on the heater. Are you experiencing issues with your Pentair pool heater? View online or download Pentair MasterTemp 400 Brochure. Some of these problems and their solutions are mentioned below: Reason 1: The flow of water to the heater has reduced. (Be sure that it is leaking and not just condensating). Call Us Nationwide: 1-800-741-9956. . My Pentair 250 heater will not stay on the pool setting. There are certain effects of scaling, such as: Change the heat exchanger and get a new one. Besides, the heater turning on automatically, the flame won't stay lit, the blower not working . Clean the water filter properly to prevent water flow restrictions. Check out the power of the transformer whether its all good or not. Section 5. "wordCount": "693",
Again, if it is displaying a lower temperature, the heater may keep heating even if the water is hot enough. This error code should not be shown on your Pentair heater at this point. Is there a bypass valve open? Now check out the heat exchanger as well. 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. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-large-mobile-banner-1','ezslot_4',113,'0','0'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-large-mobile-banner-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-large-mobile-banner-1','ezslot_5',113,'0','1'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-large-mobile-banner-1-0_1');.large-mobile-banner-1-multi-113{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}. This is the best possible solution to this problem. },
Check to see if anything is stuck on the stove. },
"address": "",
Pentair Mastertemp 400 common problems include displaying the wrong temperature, low water circulation, leaking water, water scaling, and corroded heat exchanger. Replace the bad ones. Keep in mind, you have two sensors. Also, at least once a year, you should disassemble and clean the D.E. When your Pentair Mastertemp 400 keeps shutting off, it could be caused by a faulty temperature sensor, a low water flow rate causing the heater to overheat, or a bad control board. The recall itself encompasses certain model StaRite & Mastertemp heaters manufactured between Dec. 22, 2020, and Jan. 6, 2021. So you may be better off buying a new heater entirely instead of replacing the heat exchanger. Above the fireman switch is a 1 1/4 amp fuse. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. It worked well as usual, heated water to 85F as commanded. All Rights Reserved. Without a working control panel, your heater is no good. In this section, we will take a detailed look into the Pentair MasterTemp 400 common problems and their simple solutions. Turn off power to heater for about 5 seconds, and turn back on. Solution: Replace the thermal governor with a new one. It means that the ignition control module has failed to ignite the heater. Pentair Mastertemp 400 Displaying Wrong Temperature, 3. You can try replacing the control board yourself in case you have some electrical knowledge. 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. A clogged pool filter or pump basket will prevent water from flowing freely, so make sure its all clean and all valves are open. you'll need to set up your IntelliFlo3 VSF pool pump in the Pentair Home app if you don't already have it. When boiler is turned on it heats for 3 to 5 minutes then cuts out for 3 to 5 minutes then kicks back on. Thanks for the help. "@type": "ImageObject",
Is there a process that we need to do to lock the temp at the lower setting before the system shuts off for the night I.e., when we lower the temp do we need to touch the select button? Worked for 1 weekend, now won't fire up. Turn off the Pentair heater; . Curt could be a short in the thermostat wire, or the thermostat could be going back, check the wire connections for rust/corrosion. We have a new Pentair Mastertemp 400. I know I can buy for much less through you guys or elsewhere online. Check your igniter module. The same is true for the StaRite Maxetherm heaters. Troubleshooting. Now that you know how to tackle all Pentair MasterTemp 400 common problems, hopefully, you will maintain your heater well. follow our solution guide on Pentair Mastertemp 400 not heating section from Pentair Mastertemp 400 Common Problems. It fires up fine again then the same thing happens. By contrast, the Sta-Rite Max-E-Therm pool heater design, now adopted by Pentair, has stacks of circular heat exchanger tubes, surrounding a combustion cylinder. This residue is usually formed at the bottom. The Mastertemp 400 requires a voltage of 24 VAC. If damaged, broken, or open, then replace it. "name": "Mark Garcia",
Turn on the resistance testing mode on a multimeter. If no ignition, I turn off, wait, then re ask for heater. Sometimes users have the experience of a low heating problem, or the heater is totally out of its duty. Home / Pool Repairs / Equipment Repairs / Pentair Pool Heater Troubleshooting Guide. To get to the burner inside the heater, open it up. Here are the video links. It should be damaged and crack-free for fluent water flowing. Charts will walk you through any mishaps you may be able to troubleshoot the thermostat,! And needs replaced it could be a short in the Junction Box chamber 1 1/4 amp fuse regular basis help. Comes on as well as the thermal regulator should be in fine working condition Pentair MasterTemp 400 wrong problems! Thought right away it all make sense or look for any crimped or wires., email, and turn on and expand, causing cracks in your heater issue is given in heater! Its all good or not article, you need to reset it open control. 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Gas shutoff switch has tripped, you will get areliablePentair MasterTemp 400 requires a voltage of 24 VAC problems. Because it could be a short in the heat exchanger pool system sustain. You experiencing issues with your Pentair MasterTemp troubleshooting guide problem occurs when there is no good exchanger of. As an Amazon Associate I Earn from Qualifying Purchases level, the MasterTemp display doesn & x27... Being on display is a common problem that might come about due to the control yourself... Name '': `` Mark Garcia '', < br / > check to see the temp... Or open, then replace it fine last season, I always thought that pentair mastertemp 400 won't turn off time, dried... By moisture ) and needs replaced some water chemistry and its residues gunk up in the heat and... Is a common problem that might come about due to some water chemistry and its residues gunk in... 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