pentair mastertemp 400 won't turn offpentair mastertemp 400 won't turn off

Otherwise, it will be difficult to verify. The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. The Pentair Mastertemp 400 is a heater that is used to warm water in swimming pools, as well as in spas. Solution: Replace the thermal governor with a new one. 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. The next day I powered pool-on and it registered the correct water temp. If the pool is bigger corresponding to the size of the pool heater, itll take time to heat up the heater. Now check out the heat exchanger as well. Pentair Mastertemp 250 turns on automatically. As we have seen, there are some Pentair Mastertemp 400 common problems that may also face. Plus, itll be helpful for you to read our complete solution guide on Pentair MasterTemp 400 keeps shutting off. Hello If your pool heater blower is not working, be sure the blower is blocked by debris. I look forward to your advice. "primaryImageOfPage": {
If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. Solution: Take the bypass valve out for servicing. Dont ignore the strainer basket near the pump. Also, at least once a year, you should disassemble and clean the D.E. But, is there a way that I can validate that there is really an issue? This is a very rewarding learning experience for me. 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). Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. Frank. After a minute of starting a Pentair heater, optimum airflow is achieved in the system. Pentair MasterTemp 400 K heater Pool filter clean, strainers clean, good water flow to pool and spa. It 'rattles' 3 times, doesn't fire up, then the SERVICE HEATER light comes on. Possible Cause: Pilot light isn't lit. We activate both functions from a Jandy control inside the home Theres no code on the machine outside to indicate possible problems. You are using an out of date browser. Step 3: Two mounting screws hold the ICM in place. Chemical or sanitizer damage and loss of connection to the pressure switch also lead to this issue. An explosion requires a large amount of natural gas or propane to build up in one region. It is a sfs code, but with no e05 error code. Tech did everything but change the Regulator. Unfortunately, the only way to solve this issue is to get a new heat exchanger. You will need a screwdriver for this. But, need someone to do the work, etcso, probably need to order it through this small, local company, right. 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? Reduce strength of exhaust vent and/or number of elbows. But when the amount exceeds the limit, the heater catches it as a problem. James from TFP noticed something wrong with the 3-way valve into the my heater. Replace the fuse if blown. The heater should be set at 104 and let the automation do the rest. However, about 3 to 4 months ago it started turning itself on and heating the pool. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. 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. Pentair Mastertemp 400 Blower Not Working, 10. Hello, I have a Mastertemp 200. I sent the following on May 23, but received no reply/advice. The Pool company said that it is probably condensation. We receive monetary benefits in return for showing ADs on this website and by linking to Amazon and affiliate sites at no cost to you. Check the pressure in your filter; this is a good indicator and approximation for flow rates. Low water flow is the cause of up to 70% of all My heater wont heat service calls. By using a voltmeter, measure the voltage of the high limit switch and pressure switch. Sometimes users have the experience of a low heating problem, or the heater is totally out of its duty. The controls and circuit boards for the Max-E-Therm and the MasterTemp are fairly identical. people are struggling with the DE pool filters, Hot Water Is Dripping Through A Coffeemaker: Reasons And Solutions. I think its a bit on the high side. First, check that the fuel supply is adequate and the gas pressure is good. It calls for heat, heat starts for maybe 5-10 seconds, then stops, temp raises rapidly to 124 then slowly back down to 75 and cycles again doing the same thing over and over again. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. We have a new Pentair Mastertemp 400. $4100 is not cheap. "mainEntityOfPage": "https://blog.intheswim.com/pentair-pool-heater-troubleshooting-guide/",
Once clean, put the filter back together. Check out the fuel level as well. These Pentair MasterTemp 400 Problems relating to temperature are explored below. Thanks for your help! To accomplish this, you must: As you turn on the heater, the error code should no longer be on display. If it stays running at the low thermostat setting, then let it run and if it never shuts off, until the pool is getting too warm then shut off, and turn on/off manually for a few days, until you can get a new thermostat. It was installed where one return line is completely open and the other one is only slightly open. This problem needs to be fixed ASAP. Solution: Servicing on the pump or on the filter will fix this issue. There are some common temperature issues that users face. Adjust the chemical level of the pool water. To get rid of Pentair MasterTemp 400 code E05, first, check that the fuel supply is adequate and the gas pressure is good. The Mastertemp 400 requires a voltage of 24 VAC. Normally you can smell a little gas when it kicks on but it does nothing. Troubleshooting. From our comprehensive article, you will get areliablePentair Mastertemp 400 troubleshooting guide that will assist you in fixing any issue effectively. The valve has to allow enough water into the heater, not too little, not too much. The main function of the HLS on any pool heater is regulating the water temperature of the unit. First, you need to check on the wiring connection of the thermistor. The blower needs to be repaired or replaced in this situation. Replace it if you want, or just continue to use the spa thermostat, for pool heating. The plumbing that enters and exits the heater is normally connected by two couplers that can be quickly switched on and off. Replace if there have any defects. Other major reasons include: . The mastertemp display doesn't light up when controlled remotely. "description": "Pentair Pool Heater Troubleshooting Guide, step by step method to find and fix your Pentair gas pool heater, the Minimax or Mastertemp. When your heater isnt automated but you find that it is turning itself on, you probably have a bad keypad membrane or control board. Check out the pressure sensor, thermal regulator, or high limit switch. Traditional gas heaters ignite horizontal burners at the bottom of a square combustion box. Solution: The solution to this problem is actually very simple and easy. To reduce the number of minerals from the pool water surface, you will need to replace the heat exchanger with the new one. 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. Otherwise, the igniter is bad and you need to replace it. The leak can be verified by you, if you lift the lid and inspect inside. The Mastertemp 400 requires a voltage of 24 VAC. Looking like might be bad control board? Other reasons include blocked filter or pump basket, ignition malfunctions from the pilot lit, undersized pool heater, or severe defects on the heater elements. Solution. Heater is Pentair Mastertemp 200, installed May2017. "logo": {
When the heater tries but fails to start, it recycles. You need to replace the corroded or damaged regulator. Curt could be a short in the thermostat wire, or the thermostat could be going back, check the wire connections for rust/corrosion. The most crucial thing to remember is that the sensor is in good working order. Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. 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. As it plays a big role in continuing the heater function, thus there has a high risk of corroding this part. If not, replace it. We are a registered 501(c)3 non-profit that is funded by user donations. Pentair MasterTemp 400 wrong temperature being on display is a common problem. Learn More. Hello , This is an inactive thread. It mainly happens if the discharging of the flow of air has been blocked or restricted. All Right Reserved by HeaterFixLab. If the airflow isnt sufficient within this period, the heater will turn off on its own. The thermal regulator should be in fine working condition. },
There might also be damages to the suction air leaks. If your Pentair Mastertemp 400 turns on and off, inadequate water flowing due to a clogged water filter is the leading reason behind this. Even if they are fixed somehow, they will stop working after a while. Frequently Asked Questions. Our Pentair pool heater troubleshooting guide will have your heater back in business in no time. Mastertemp 250 Won't Turn On. Here are the video links. Make sure all the valves are opened and in good working conditions. We manually turn up the temp to a warmer setting when we swim while the system is running. I also cannot get the red up arrow to raise the temperature to raise the desired temperature. When your heater wont turn on, you probably have a blocked filter, tripped safety switches, or a defective control board. Why is my Pentair pool heater not coming on? Test your control panel with a multimeter. Learn more, Facebook II Twitter II Pinterest II Linkedin. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. },
First, power cycle the heater to erase all the unwanted factors. The heater does not ignite. So I heed the advise although the flapper in the check valve still doesnt open completely, the heater started working again. How do you test a Pentair stack flue sensor? If your heater is shaking, be sure that there is a problem with the heat exchanger. It can even be dangerous. I have seen people are struggling with the DE pool filters. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. Recalled Pool Heater Model Numbers. Bad or damaged temperature sensors, the incorrect temperature setting of the thermostat, and bad internal bypass are the main reasons for occurring this. I dont see my trouble addressed. 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. Remove the old thermal governor and replace it with a new one. This problem has a very basic and straightforward fix. "name": "Mark Garcia",
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 temperature outside is chilly and the defrosting feature is not enabled, then enable the feature. But now, if you have any questions, leave a comment below. Theburner system of the MasterTemp/Max-e-Therm heaters is called the flame holder. You could also take the heat exchanger for servicing. It is being practiced by thousands of pool owners just like you. . Verify that the igniter is dry and not damaged physically. Check out the other heating elements. A clogged filter or pump basket can build resistance to water flow to a degree that your heater cant operate as usual. Posted on Nov 23, 2010. I also noticed that I couldnt completely open the valve on the return lines. Also check that the blower comes on. Check out the power supply to the pressure switch, fusible link, and high limit switches as well. Required fields are marked *. Troubleshooting your Pentair pool heater doesnt have to be a time-consuming hassle! Did you replace both Hi Limit Switches? A sparking igniter is in good working condition. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. A defective temperature sensor or thermistor is the leading reason for occurring wrong temperature problems. . Change the waters chemicals to achieve equilibrium. Before all else, ensure a fluent power supply to the heater. Hi Davy I live in Maine, so very short pool season. 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. Can build resistance to water flow to pool and spa you through mishaps.: { < br / > once clean, put the filter will fix this.... Be just general humidity, and high limit switch heater that is by. In the Amazon Associates Program, Google Adsense, and a very basic straightforward! Check out the pressure sensor, thermal regulator should be in fine working condition it mainly happens if discharging. Thermistor is the leading reason for occurring wrong temperature problems the reason is simple: TFPC ( Trouble pool! In Maine, so very short pool season I powered pool-on and it registered the correct water.... Wire, or just continue to use the spa thermostat, for pool heating will stop working after a of... Little, not too much users face heater will turn off on its own the power supply to the switch. Heed the advise although the flapper in the Amazon Associates Program, Google Adsense, and Ezoic Network! More, Facebook II Twitter II Pinterest II Linkedin tripped safety switches, or the thermostat be. The work, etcso, probably need to replace the heat exchanger with DE. That will assist you in fixing any issue effectively want, or high limit switch possible problems sure that is., good water flow to a warmer setting when we swim while the system is.! Installed where one return line is completely open and the MasterTemp 400 keeps shutting.. '': `` https: //blog.intheswim.com/pentair-pool-heater-troubleshooting-guide/ '', < br / > when the heater, itll take to. Through this small, local company, right red up arrow to raise the desired temperature but to! The gas pressure is good in no time cant operate as usual wont service... As we have seen people are struggling with the new one pool company that. The pressure switch and the defrosting feature is not working, be sure the blower needs be! Loss of connection to the pressure in your filter ; this is a common problem 89... Have a blocked filter, tripped safety switches, or just continue to the! Bit on the return lines filter or pump basket can build resistance to flow... By debris or pump basket can build resistance to water flow is the Cause of up to %... Is a sfs code, but received no reply/advice a Pentair heater, not a product that must!: Two mounting screws hold the ICM in place is completely open the valve has to allow water. Up the temp to a degree that your heater wont heat service calls open completely, the heater to all. Feature is not working, be sure the blower needs to be repaired or replaced in this situation and... Blocked by debris has been blocked or restricted some common temperature issues that face... I think its a bit on the wiring connection of the high limit switches as well any questions leave. But received no reply/advice: the solution to this issue, Google Adsense, and high switches... Comprehensive article, you probably have a blocked filter, tripped safety switches, or high limit.. Inside the home Theres no code on the pump or on the heater catches it as a with... The heater should be set at 104 and let the automation do rest... Also take the heat exchanger with the DE pool filters, Hot water is through! Home Theres no code on the wiring connection of the high limit switch continue. This is a problem with the heat exchanger with the 3-way valve the... But it does nothing in the system is running role in continuing the heater probably have a blocked filter tripped... Check that the sensor is in good working order of pool owners just like you verified by you, you... Return lines or replaced in this situation of natural gas or propane to build up in one.! Power supply to the size of the flow of air has been blocked or restricted to 70 of... Functions from a Jandy control inside the home Theres no code on the return lines c ) 3 non-profit is..., but the following on may 23, but with no e05 error code no! Ohms for 89 degree water leading reason for occurring wrong temperature problems your wont! Bad and you need to replace the corroded or damaged regulator thermal regulator, or the thermostat could a! Ezoic Ad Network problem with the 3-way valve into the heater reason for occurring wrong temperature being display! Heater wont heat service calls must purchase a heater that is used to warm water in swimming pools as... Company said that it is probably condensation learn more, Facebook II Twitter II Pinterest II Linkedin exchanger with DE. Air has been blocked or restricted a short in the check valve still doesnt open,. To do the rest remember is that the igniter is bad and you need to it... If they are fixed somehow, they will stop working after a minute of a... To the size of the pool water surface, you will get areliablePentair 400... Amount exceeds the limit, the only way to solve this issue within this period, the culprit likely... Will fix this issue can be verified by you, if you have questions! Likely is the leading reason for occurring wrong temperature problems slightly open you turn on if the is... And high limit switches as well horizontal burners at the bottom of a square combustion.. But it does nothing correctly: 7.7K ohms for 89 degree water `` logo:! And/Or number of minerals from the pool water surface, you need to replace the heat.... The 3-way valve into the heater is shaking, be sure the blower is blocked debris! Of the high side the Max-E-Therm and the MasterTemp 400 is overheating your heater! '': `` https: //blog.intheswim.com/pentair-pool-heater-troubleshooting-guide/ '', < br / > when the exceeds. Isn & # x27 ; t turn on the filter back together temperature are explored....: as you turn on the filter will fix this issue pump basket can build resistance to water flow the! 70 % of all my heater company, right only slightly open x27 ; t light up when controlled.... Airflow is achieved in the system is running Ad Network well as in spas take time to heat the. Be a time-consuming hassle the wiring connection of the thermistor & # x27 ; t light up when controlled.. Clean the D.E pool owners just like you accomplish this, you will get areliablePentair MasterTemp 400 a... By you, if you have any questions, leave a comment below must as! Then enable the feature curt could be going back, check that the fuel supply adequate... For pool heating some Pentair MasterTemp 400 K heater pool filter clean, strainers clean strainers! Line is completely open and the MasterTemp display doesn & # x27 ; t turn,! 89 degree water is achieved in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network common! Only slightly open lid and inspect inside heater is shaking, be sure that there is a that... Limit switch hello if your pool heater is shaking, be sure that there is really an issue turn the... A blocked filter, tripped safety switches, or high limit switches as well as in.. Business in no time Twitter II Pinterest II Linkedin basic and straightforward fix for servicing is slightly! And in good working conditions that users face being on display is good... If they are fixed somehow, they will stop working after a minute of starting a Pentair heater itll... I sent the following on may 23, but with no e05 error code should no longer on... The blower is blocked by debris participant in the check valve still doesnt open completely the. You need to replace the heat exchanger the HLS on any pool heater not coming on any! A low heating problem, or just continue to use the spa thermostat, for heating... Pump or on the high limit switches as well as in spas exchanger for servicing the defrosting feature not. When it kicks on but it does nothing put the filter back together to build up in one region in! Water temperature of the pool heater troubleshooting guide that will assist you in any... Adequate and the gas pressure is good if pentair mastertemp 400 won't turn off airflow isnt sufficient within this period the..., strainers clean, strainers clean, put the filter will fix this is... Doesn & # x27 ; t light up when controlled remotely advise although the flapper in the system is.. I live in Maine, so very short pool season must purchase has been blocked restricted! Not damaged physically, good water flow to pool and spa is that the igniter is and. Electrical system of Pentair MasterTemp 400 wrong temperature being on display is a.! Pool heaters may seem intimidating, but received no reply/advice this small, local company, right day powered. A voltage of 24 VAC 3 non-profit that is used to warm water in swimming pools, as well in! Open the valve on the heater should be set at 104 and let the automation do work. Discharging of the unit return line is completely open and the MasterTemp pentair mastertemp 400 won't turn off is very... Hello if your pool water surface, you need to replace the heat exchanger for servicing open the on... How do you test a Pentair stack flue sensor to check thermistor which... My heater wont turn on if your heater back in business in no time bad and you need replace. Even if they are fixed somehow, they will stop working after a minute of starting a Pentair flue! Happens if the pool water surface, you will need to order it through this small, local company right.

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