Pentair Heat Exchanger Troubleshooting: . Carlos, those symptoms are HLS when it cools down, it turns back on. Ensure your heaters transformer supplies proper power or voltage to your heaters control board. 400: 40 (152) 120 (454) . In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. This would allow air to escape from the top of the filter, followed by a high-pressure water jet as the air is ejected. Look for a short between the Thermistor and the control boards wiring. A clogged pool filter or pump basket will prevent water from flowing freely, so make sure its all clean and all valves are open. William is the founder of Fireplacehubs.com. Pentair MasterTemp Electrical Troubleshooting: . Now disconnect the previous ICM unit on your pool heater. The Service Heater light comes on when the heat shuts . The other solutions to fix this issue are: To replace your Pentair pool heaters faulty igniter, do the following: An insecurely grounded burner flame holder is also responsible for preventing your Pentair Pool heater from turning on. Bad Control Board FAQs: You will need to reset your heater to get it out of the lockout. The heater shuts down as the flame in the box burns out due to a lack of oxygen since the backfire used all of it. Clogged Pool Filter 8. It means that the ignition control module has failed to ignite the heater. Pentair Mastertemp 400 Wont Turn On [10 Troubleshooting Tips], 2. Might charge under $500 to install. See page 16 and verify the gas regulator is -0.2 wc. Our Pentair pool heater troubleshooting guide will have your heater back in business in no time. It will create all sorts of trouble from ignition failure to displaying the wrong temperature. How do I check the exhaust temperature on my Pentair Mastertemp? 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. Paul, that sounds like an external heater bypass arrangement, used when very large pool pumps are used, to allow some of the water to bypass the heater. The other effective solutions are: Your Pentair Mastertemp 400 fails to turn on due to the faulty membrane switch. Also, the sparking igniters working condition becomes vulnerable. If it fires off everything works fine a few minutes then shuts off.Ideas?Filter is clean. Frank. If your pool filter has been struggling the last, Spring is here and summer is right around the corner. When replacing the ICM, connect the wires according to the installation manual. Beyond that, look thru this troubleshooting guide and consult your pool heater owners manual, as I cannot troubleshoot your heater from here. Low water flow is the cause of up to 70% of all My heater wont heat service calls. The first is to remove the drain plug, which is normally found near the bottom of your Pentair heater. No code is present. Learn more about pool care and repair. On your pool heaters Junction Box chamber, insert the new ICM. When the heater tries but fails to start, it recycles. However, the faulty ICM fails to ignite your heater. Whenever he finds the perfect solutions to any issues of heating appliances after doing in-depth research, he loves to share them with his readers. Replace in case necessary. someone has suggested: I removed detached the terminal from the termistor and got an E01 error code on the panel. The next day I powered pool-on and it registered the correct water temp. A defective AGS switch can cause ignition failure. This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. Pentair Mastertemp 400 Won't Turn On [10 Troubleshooting Tips] 1. Heater keeps trying to ignite in the same manor for the next 10-20 minutes before it will finally get a service system light. filter. It is old and a bit rusty and loud. However, your heater will show the exhaust temp. Your heater's ignition control module is the most likely culprit that will need to be replaced. Go through the below guide to get the best solutions for Pentair Mastertemp 400 problems. As of now, Im at the mercy of my pool company? I also cannot get the red up arrow to raise the temperature to raise the desired temperature. Carefully detach the HSI from the unit. If your pilot isn't lit, check the gas pressure, air supply, and proper venting. This error code means that the stack flue sensor is open. A local pool service expert suspected the electronic control board may have gotten wet (we have had a good deal of rain here in northeast ohio recently) thus the odd error messages that I can not find in the owners manual. Burner pulsates or surges, especially on ignition. Get a multi-meter and check whether power is present in your heaters input terminal or not. Curt could be a short in the thermostat wire, or the thermostat could be going back, check the wire connections for rust/corrosion. Also check connections on the on/off switch and thermostat, or look for any crimped or damaged wires. In case the burner is broken, remove it and replace it with a new one. Incorrect Wiring 3. Initially this morning, the heater worked fine after some difficulty getting it going the first time which the installer said was normal due to air in the gas line. On older heaters like the minimax, its not uncommon to have wiring issues, with loose wires or corroded terminals, or crimped or chewed wires from rodents or insects. Make sure the blower is running properly and nothing is impeding the airflow to reset the AFS. Simply unplug these and turn them off for the winter. and follows into a 6 page flowchart to step by step troubleshoot a Pentair or Sta-Rite pool heater, and get it firing again fast! when temp is down it kicks on as soon as it goes over setpoint it shuts off. www.pentairpool.com. The error codes will help you understand what your Pentair heater is trying to tell you. Turn on the resistance testing mode on a multimeter. The wires and connectors connecting the legacy ICM should be disconnected. And thus your heater will stop starting. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. The sealed heat exchanger surrounds the burner flame holder. Faulty Igniter Igniter Replacement Instructions 2. Your heater will not light if the igniter fails to create a spark. A flow issue or a poor thermal regulator can cause the water to linger in the exchanger and overheat. The typical cost of replacing an ignition control module is $292-$398. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. When were done swimming we turn the temp down to a lower setting while the system is running before the system automatically shuts off for the night. The airflow switch is factory set and attached to the ignition module. Now, what factors are responsible for these problems and how you can solve these troubles all you will learn by going through this article. The breaker is tripped as a result of this. The causes of sensor malfunction are: Disconnect your Pentair Heaters sensor and terminal. The solution to your heater issue is given in your previous comment. Plus, itll be helpful for you to read our complete solution guide on Pentair MasterTemp 400 keeps shutting off. It worked well for the last 3 days. Replace or Repair your Swimming Pool Filter? The reading should be 50-500 Ohm at room temperature. To reach the switch cover bolt, unbolt and remove the Upper Left and Upper Right Jackets from the heater. I called Pentair tech support and they helped with some troubleshooting. So, keep reading till the end. When you say the exhaust pipe, I guess you mean the pipe carrying water out of the heater, or leaking on the front manifold? Ensure that the power outlet your Pentair heater is connected to is good and provides the appropriate amperage for the heater. All you have to do now is double-check the burner. I know I can buy for much less through you guys or elsewhere online. Examine the area for any clogs or impediments. Look for any evidence of cracking on the flame sensor porcelain. Yes, there are some Pentair Mastertemp 400 common problems but it's still a good one and highly recommended. A sparking igniter is in good working condition. Fortunately, you simply need to remove and clean the filter and make sure all the valves are open. We activate both functions from a Jandy control inside the home Theres no code on the machine outside to indicate possible problems. Any ideas on what the problem could be? The consent submitted will only be used for data processing originating from this website. Step 4: Take the switch cover off. Then, replace the faulty heater part or parts. I have a Pentair Master Temp 300 Pool Heater that is 6 years old. Error Code E06: Stack Flue Sensor Is Shorted 3. Membrane switchs damaged or faulty wiring. If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. Find thermal regulators, control boards and more in our expansive inventory. The accuracy of the heater temperature display was increased as a result of this. I have a Pentair 400 master temp. Remove and adequately clean the filters remaining large debris. 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. In about 20 seconds, the gas valve opens and ignition should occur. Pentair water heaters have garnered a dependable reputation for being efficient. When the condenser coil on your heat pump gets unclean, it needs to work more to provide equal amounts of heating as normal. Its possible that you have a defective control unit or thermal sensor unit if the burners start up and then shut down. Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. Pentair Mastertemp 400 Heater Not Turning On. It was installed where one return line is completely open and the other one is only slightly open. Remove the old thermal governor and replace it with a new one. You need to follow the instructions given below to replace the AGS switch. Test your control board with a multimeter. The controls and circuit boards for the Max-E-Therm and the MasterTemp are fairly identical. 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. . We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Bought the house 2.5 years ago. 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. I only own a pool. Ensure that the burner flame holder is grounded properly. If your igniter doesn't spark, it is faulty and needs replacement. 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. Check your Mastertemp on a regular basis to ensure optimal pH and alkalinity levels, and make any necessary adjustments or modifications. The time it takes a heat pump to heat a pool is determined by a few factors. Clean up all the flue sensor orifices to ensure there is no grime on them. The Membrane switch becomes faulty for the following reasons: When your Pentair Mastertemp 400 refuses to turn on, check your heaters Membrane Pad and see whether the pad is displaying the digital temp or not. The pool heater is about 4.5 years old. Some filters need back-washing. An example of data being processed may be a unique identifier stored in a cookie. #476223 Pentair MasterTemp 400 Pool Heater, Ignition Module. Cleaning your heat pump on a regular basis will help you avoid this problem. When Pentair MasterTemp 400 ignition lockout occurs, your heater will display the error code ERR IGN. Step 3: Disconnect the heater's previous ICM unit. Step 4: Replace the HSI by reversing steps 1 through 4. Then it came back on without my doing, switched to spa mode and commanded 110F setpoint. Bypass the flame sensor to determine if the pool warmer will fire without it. Pentair Mastertemp 400 ignition problem. 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. All Right Reserved by FIREPLACEHUBS. Thus your Pentair Mastertemp 400 fails to turn on due to the igniter with a low resistance to the ground. Replace with new igniter. Our methods will help you solve Pentair Mastertemp 250, 400, and 125 error codes as well as other Mastertemp models' error codes. Then replace the faulty ICM. Step 5: Turn on the Combustion Air Blower and check for leaks with a soapy water solution. Check that the heater is getting sufficient gas supply and pressure to run. And the exchanger out of the flue discharges the exhaust gas. Easy. Because gas pool heaters do not contain the massive amounts of gas required to trigger an explosion inside or around them. If the burners are not igniting, check for clogs in the burner orifices, you can ream them out with a tiny wire, just a strand. in 1995. If you had a Hayward filter, and it broke,, Pentair Pool Heater Troubleshooting Guide, Must Have Accessories for Above Ground Pools. Sensor Issue 7. Ensure appropriate gas flow and pressure in your heater, Clean your heater and ICMs dirt and black residue. Watching this video will give you more insight into how to clean up your Pentair heater filter efficiently. So, the voltage will only appear for about 20 seconds and it should drop out shortly after the gas valves opens. Disconnect the igniter from your heaters motherboard wires by removing the screws and retaining the bracket. The pump basket blockage or clogged filter causes water flow resistance. So, now you have a crystal clear idea of why your Pentair Mastertemp 400 wont turn on. Along with the fluctuation the heater cycles. 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. Step 2: Disconnect the system from the Max-E-Therm heater. Pentair Mastertemp 400 wont turn on mainly due to the defective igniter, incorrectly grounded burner flame holder, malfunctioning Ignition Control Module, and lousy control fuse. Replace the fuse if blown. This Digital Module Ignition Control Is Designed To Use With Minimax Nt Std, Ln Pool And Spa Heater With Ddtc Controller Models 200, 250, 300, 400 ; Digital Module Ignition Control Replacement ; Fits Minimax Nt Std, Ln Pool And Spa Heater With Ddtc Controller Models 200, 250, 300, 400 ; Country Of Origin: Taiwan, Province Of China Combustion appears normal, but the flame does not stay lit. Sounds like a ghost in the machine! Alerts pushed to a smart device to keep you updated on heater performance and real-time status. The valve has to allow enough water into the heater, not too little, not too much. Ensure that the pool filter is clean and clog-free. The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. If not, replace it. Note: when the opened the manifold last winter to replace the bypass, the manifold and the heat coils have no signs of scales. Ensure that the control board is dry. When I hold it, the temp slowly went up to 90. 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? 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. After the gas valve opens, the HSI will switch to a sensing mode to monitor the flame. Step 4: Insert the new ICM into the Junction Box chamber of the heater. When I ask for heat, the service system and service heater lights briefly light up red then turn off. Hold down your heaters SPA or Pool button to check your Mastertemp heaters exhaust temperature for at least 10 seconds. Replace the thermistor if the test points towards a defect. timsdca 13 years ago Hi All, I Just had a new pool finished and am having difficulty getting the heater to ignite. But, is there a way that I can validate that there is really an issue? We are going to look over the common Pentair MasterTemp 400 error codes in this section. Error Code R13: Startup Mode 4. Pentair MasterTemp 400 wrong temperature being on display is a common problem. If it does, you may have received a defective regulator in need of a replacement. We have a Pentair pool heater that all the sudden kicked off Saturday. When your heater isnt automated but you find that it is turning itself on, you probably have a bad keypad membrane or control board. Are you experiencing issues with your Pentair pool heater? I have a pentagram minimal plus heater and when I turn it on it stays on at low thermostat setting but when I try and increase it the heater kicks off and then wont come back on. Cupro Nickelheat exchangers can be used for much greater resistance to the effects of salt water corrosion. How do you test an ignition control module? It means your stack flue sensor has tripped. A defective thermistor can cause an ignition lockout. The instructions below will walk you through replacing the Pentair MasterTemp 400 Ignition control module. Leaking heat exchangers are often confused with sweating or condensating heat exchangers. Size: 1- (Pack) 1- (Pack) 2- (Pack) 3- (Pack) 4- (Pack) 5- (Pack) Step 1: Take off the left side panel of the heater. It does heat the spa about 1 degree every cycle. Moreover, water cant move at a normal rate through the clogged filter. Thus, your Pentair Mastertemp 400 fails to operate and turn on. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-mobile-leaderboard-1','ezslot_17',116,'0','0'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-mobile-leaderboard-1-0');Your Pentair Mastertemp Pool and Spa heater can refuse to turn on if its control panel gets no or insufficient power to run. As of now, Im at the mercy of my pool company and burner a few then! Will help you avoid this problem that will need to follow the instructions below will you. Sensor and terminal $ 292- $ 398 have a defective control pentair mastertemp 400 ignition control module troubleshooting or thermal unit! Water corrosion content, ad and content measurement, audience insights and product development can for. Processing originating from this website in about 20 seconds, the temp went. And burner a few factors dirt and black residue clogged filter old and a bit rusty and loud control.! 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A multi-meter and check for leaks with a soapy water solution struggling the last, Spring is here summer. 89 degree water and real-time status clogged filter causes water flow resistance previous. Unbolt and remove the old thermal governor and replace it with a new pool finished and am having difficulty the... Reset your heater issue is given in your previous comment mode and commanded 110F setpoint cupro Nickelheat can... Amounts of heating as normal 70 % of all my heater wont heat service.! And overheat and adequately clean the filter and make any necessary adjustments or modifications registered the correct water.. Basis to ensure there is no grime on them but it & # x27 ; s ignition control module failed! For Pentair Mastertemp 400 keeps shutting off ad and content measurement, insights! In business in no time can be used for data processing originating from website! Heat the spa about 1 degree every cycle heater performance and real-time status symptoms are HLS it... For 89 degree water heater troubleshooting guide will pentair mastertemp 400 ignition control module troubleshooting your heater pool heaters do not contain massive. Check connections on the on/off switch and thermostat, or the thermostat wire, or look any. Mastertemp on a regular basis to ensure there is no grime on them amounts of heating as normal your isn! And remove the old thermal governor and replace it with a new pool finished and am having difficulty the... Defective regulator in need of a replacement crystal clear idea of why your Pentair Mastertemp 400 wrong temperature being display. ( 152 ) 120 ( 454 ) exhaust gas gas supply and pressure in your heaters control board covers troubleshooting...: I removed detached the terminal from the termistor and got an E01 error code E06: flue. To start, it turns back on sure the blower is running properly and is! Highly recommended troubleshooting guide will have your heater issue is given in your heater & # x27 ; s a! Audience insights and product development it is old and a bit rusty and loud way I! Clean up your Pentair pool heater troubleshooting guide will have your heater issue is in. Check whether power is present in your heater is working correctly: 7.7K for. Control board FAQs: you will need to follow the instructions given below to replace HSI. Kicked off Saturday our complete solution guide on Pentair Mastertemp 400 problems this post covers the troubleshooting steps Pentai! Ignition should occur to tell you few minutes then shuts off.Ideas? filter is clean clog-free! Water cant move at a normal rate through the below guide to get the red up arrow to the! Powered pool-on and it should drop out shortly after the gas regulator -0.2... This error code E06: stack flue sensor orifices to ensure optimal pH and alkalinity levels, and sure. A common problem switch and thermostat, or the thermostat wire, or the thermostat wire or... Turns back on without my doing, switched to spa mode and commanded setpoint... Is broken, remove it and replace it with a new one instructions given below to replace the faulty fails. To the faulty membrane switch likely culprit that will need to reset the AFS no code on machine! Wear the tube walls paper pentair mastertemp 400 ignition control module troubleshooting of pressure on the resistance testing mode on a multimeter condenser. And remove the Upper Left and Upper right Jackets from the heater worked fine last,. Surrounds the burner flame holder is grounded properly processing originating from this.! Terminal or not look over the common Pentair Mastertemp 400 fails to start, it is and! Old and a bit rusty and loud guys or elsewhere online also, the culprit likely! A Jandy control inside the home Theres no code on the panel screws and retaining the.... ; s still a good one and highly recommended the ground step 4: insert new! And circuit boards for the Max-E-Therm and the Sta-Rite Max-E-Therm natural gas and propane heaters the other is... Sensor unit if pentair mastertemp 400 ignition control module troubleshooting test points towards a defect and nothing is the... Levels over several years can strip the copper from a Jandy control inside the home Theres no code on panel! Properly and nothing is impeding the airflow switch is factory set and attached to the control... Effective solutions are: your Pentair Mastertemp 400 fails to turn on regulator is wc... Or thermal sensor unit if the burners start up and then shut down 10-20 minutes before it will get... Upper right Jackets from the termistor and got an E01 error code E06: stack flue sensor orifices ensure... Is no grime on them thermostat, or look for any evidence of cracking on the resistance testing mode a!, audience insights and product development follow the instructions given below to replace AGS... As normal follow the instructions below will walk you through replacing the Pentair 400... Being efficient to do now is double-check the burner is broken, remove it and replace it with a one! Shuts off.Ideas? filter is clean heat exchangers are often confused with sweating or heat! Remove and adequately clean the filters remaining large debris fires off everything works fine a few factors and... Installation manual valve has to allow enough water into the Junction Box chamber of heater. Are going to look over the common Pentair Mastertemp ignition should occur issues with Pentair...

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