Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Check that the heater is getting sufficient gas supply and pressure to run. To resolve this error number, ensure the fan is not obstructing airflow. The valve has to allow enough water into the heater, not too little, not too much. Maintenance goes a long way when it comes to heater shelf life. Clean up all the flue sensor orifices to ensure there is no grime on them. When your heater isnt automated but you find that it is turning itself on, you probably have a bad keypad membrane or control board. Ascertain that the blower is securely fastened in its location. Note: when the opened the manifold last winter to replace the bypass, the manifold and the heat coils have no signs of scales. Your heaters blower through the mixer draws the gas and air and forces these elements into the burner flame holder. Test your control board with a multimeter. You will need to reset your heater to get it out of the lockout. To reach the switch cover bolt, unbolt and remove the Upper Left and Upper Right Jackets from the heater. Thank you for your time and response. If you agree, which device is the most likely to fail and how does one test it. Labor costs are projected to be between $57 and $71 per hour, with parts costing between $235 and $327 per hour. Heat exchangers, when they fail and leak, they develop pinholes in the copper tube, or may also leak at the point where the tubes are welded to the end plate. You need to examine which part is malfunctioning. Heaterfixlab.com is a participant in Google Adsense and Ezoic Ad Network. So, the voltage will only appear for about 20 seconds and it should drop out shortly after the gas valves opens. The plumbing that enters and exits the heater is normally connected by two couplers that can be quickly switched on and off. (Seconds! I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. Replace with new igniter. Without that voltage, the Pentair Mastertemp 400 water heater will not even turn on to begin with. If no ignition, I turn off, wait, then re ask for heater. 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. You can test the thermal regulators continuity by removing it. Pentair 77707-0001 Manifold Bypass Valve . The igniter can be found close to the top of the combustion chamber. So, was going to need to be replaced at some point. Your heater's ignition control module is the most likely culprit that will need to be replaced. The 2nd is after modified the 3-port valve to the return lines. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. And then replace the fuse or the entire system board. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . When we turn the temperature down before the pool system shuts off for the night the next morning when the systems turns on the temperature is back up to the previous higher setting on its own. We have a new Pentair Mastertemp 400. If it does, you may have received a defective regulator in need of a replacement. My heater also powers up, displays lights, without anyone touching it. Sensor Issue 7. All Right Reserved by HeaterFixLab. A faulty control board can cause a variety of problems with your Pentair MasterTemp 400, including ignition failure. Then turn on the heater to test if the module is sending the ignitor the proper voltage. The thermal regulator should be in fine working condition. It is always better to be safe than sorry. Is it possible to replace the heat exchanger or do I need to replace the entire heater system altogether. Ensure your heaters transformer supplies proper power or voltage to your heaters control board. Hopefully, you now know what to do during a Pentair MasterTemp 400 ignition lockout. Hi Davy I live in Maine, so very short pool season. However, your heaters filter becomes blocked for the following reasons: Over time, the slow accumulation of debris creates a clog in your heaters Filter. 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. Please help. Your heaters Membrane Pad has the pool/spa/off buttons and a keypad for inputting the spa and pool temperatures and displaying the digital temperature. If your heater fails to turn on just after raining, be sure that the wet heater is facing some issues. Is there a bypass valve open? Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. Change the faulty igniter and the bad ignition module. In about 20 seconds, the gas valve opens and ignition should occur. Clean up all the flue sensor orifices to ensure there is no grime on them. If the heater still wont turn on after cleaning the flame sensor, its time to get it replaced. Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. Verify your heaters burner flame holders installation and make sure it is properly grounded. Even the new MasterTemp above ground pool heater has the same design, and the same troubleshooting procedure. Replace or Repair your Swimming Pool Filter? You must assess the heater, compare it to its overall age, determine whether there is a lot of rust and corrosion development at the bottom of the container, inspect the combustion firebox for broken fire tile, and so on. . Low Gas Pressure 4. You may be able to troubleshoot the thermostat, or bypass it with a jumper wire, to determine it has failed. Follow this video below for instructions on Pentair MasterTemp 400 control board replacement. Pentair MasterTemp pool heater parts are arranged into 3 parts buckets Burner System parts,Electrical System parts, andWater System parts. Get a new igniter, the same as the previous igniters part number. Pentair water heaters have garnered a dependable reputation for being efficient. Greetings Mr. Merino I opened pool 2 weeks ago, but only started heater last weekend. No other control board or ICM lights come on. Pentair Heat Exchanger Troubleshooting: . If replacing the keypad membrane hasnt stopped your heater from turning on automatically, you need to call customer service for a new control board. Defective Ignition Control Module 7. Heater keeps trying to ignite in the same manor for the next 10-20 minutes before it will finally get a service system light. Gary, the flow and pressure switch, which sensor pressure, a proxy for flow, is the first place to look.Make sure the pump is pushing as much water as possible, into the heater. Follow the actions outlined below to replace it. You may need to replace it. I also cannot get the red up arrow to raise the temperature to raise the desired temperature. No volt or lower volt (less than 24 VAC) coming to your control panel from the transformer means your heater will not turn on. And thus your Pentair Mastertemp 400 stops turning on. When your water temperature rises above a safe level (135F), the high limit switch detects this and promptly opens the heat exchanger outlet. 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. This item Pentair 460783 Ignition Control Module Replacement Kit MiniMax NT Pool and Spa Heater Pentair 472447 Digital Module Ignition Control Replacement MiniMax Pool and Spa Heater Swimables 42001-0063S High Limit Switch for All Pentair Mastertemp and Starite Pool Heater - Compatible with All Sta Rite and Pentair Pool Heater Parts The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. Check for any blockage of the burners, by something fallen on the burners, and up top, be sure the heater exhausts properly, no obstructions in the venting (birds nests, leaves, soot). However, your heater will show the exhaust temp. Bad Control Fuse 5. Continue with Recommended Cookies. Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. But your heaters LCD screen displays nothing and the heater is not turning on mainly for the following reasons: Note: You can also read how to fix Pentair heater error codes problems. More about us. A defective AGS switch can cause ignition failure. I have tried running it with the pump going full boogie to see if it is water flow problem and the service heater light still comes on. Hi, if the heater is less than ten years old, it may make sense to replace the heat exchanger. Find many great new & used options and get the best deals for Genuine Pentair Manifold for MasterTemp / Sta-Rite Max-E-Therm 175 through 400 at the best online prices at eBay! If the airflow isnt sufficient within this period, the heater will turn off on its own. How to Reset Honeywell Thermostat? Where is the thermal regulator on a Pentair Pool heater? The consent submitted will only be used for data processing originating from this website. When I finally was able to control again (for a time, keypad controls seemed to be disabled), I shut heater off, let it sit for a time. like it is having trouble exhausting, check for birds nest or heavy spiderwebs or leaves on the heat exchanger. This problem can be resolved by servicing the pump or filter. Smart connectivity via the Pentair Automation Systems enable you to manage pool functions anytime, anywhere. The following are some of these issues and their solutions: These are the possible solutions for this issue. How do you test a Pentair stack flue sensor? Also check that the blower comes on. 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. Your pool heater needs to be prepared for the winter so that it doesnt incur any freeze damage. Normally you can smell a little gas when it kicks on but it does nothing. This can cause cycling. The device should be out of ignition lockout at that point. To hear if the small relay on the board clicks while giving voltage to the blower, put your ear right next to the top of the heater. I think its a bit on the high side. someone has suggested: I removed detached the terminal from the termistor and got an E01 error code on the panel. I have a Pentair 400 master temp. Remove the AGS Switch from the Manifold by unscrewing it. Of course, there is also an internal bypass in most gas pool heaters. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf Page 37. Watching this video will give you more insight into how to clean up your Pentair heater filter efficiently. Then without warning, it started flashing the following error codes: Ad0 then SF 1 then 888 then 128 then r13, then keypad screen would go blank. I replaced the HLS twice to no avail. Sounds like the pool thermostat is not responding, either from a loose connection, or crimped wire or bad thermostat / potentiometer. Wet Or Damaged High Limit Switch 5. On your pool heaters Junction Box chamber, insert the new ICM. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. Check to see if anything is stuck on the stove. 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). No code is present. How do you test an ignition control module? Like other pool equipment, pool heaters are prone to occasional malfunctions. You may require cleaning your filter this way twice a year instead, depending on consumption (particularly if your pool is open all year). Otherwise, your control board is most likely to be blamed. This problem can only be solved by replacing the ICM. To get rid of Pentair MasterTemp 400 code E05, first, check that the fuel supply is adequate and the gas pressure is good. Each switch performs different safety functions such as: All these switches are your heaters safety devices. Also check connections on the on/off switch and thermostat, or look for any crimped or damaged wires. All Right Reserved by FIREPLACEHUBS. To unscrew the plug, fit a standard screwdriver into the plugs threads and twist the handle. Yes, there are some Pentair Mastertemp 400 common problems but it's still a good one and highly recommended. And the exchanger out of the flue discharges the exhaust gas. Using a multimeter, check the voltage measurement on the pressure switch. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. We are going to look over the common Pentair MasterTemp 400 error codes in this section. It fires up fine again then the same thing happens. 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 heater is only 3 yr old, just seems the erratic behavior is electrical/electronic in nature. Faulty Igniter Igniter Replacement Instructions 2. To allow water to pass through the heating system, make sure the valves are open. This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. Leaking heat exchangers are often confused with sweating or condensating heat exchangers. This is accessed thru the end cap, two bolts on the side of the header. If flow is not the issue, yes it could be the hi-limit switch (but not the thermal cut-off, because it wouldnt come on at all). This is a very rewarding learning experience for me. 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. Also, disconnect the legacy ICMs wires and connectors. The ignitor is connected to the Molex connector with wires. Replace ignition or control module. No error codes in front and no led error indicator on the back panel as well. Fill a jar halfway with 130F water. Pentair MasterTemp 400 Keeps Shutting Off [9 Easy Fixes] 1. Pentair MasterTemp 400 Flameholder Kit | 77707-0204. Now, what factors are responsible for these problems and how you can solve these troubles all you will learn by going through this article. So stay tuned. Pentair MasterTemp 400 ignition control module, sometimes known as the ICM, is in charge of the ignition sequence and timing. Then checks the continuity across the sensor. The following instructions will guide you through the entire process of replacing the Ignition Control Module, ICM of your Pentair MasterTemp 400. An ignition failure can be the result of a failed flame sensor, bad igniter, malfunctioning ignition control module, faulty control board, tripped or broken automatic gas shutoff switch. We manually turn up the temp to a warmer setting when we swim while the system is running. When you are trying to turn on your heater, the fuse can blow immediately. If your Pentair Mastertemp 400 won't turn on, for sure, the heater is facing a power supply degradation problem from the . Simply unplug these and turn them off for the winter. Your heater stops working or blowing when a lower volt or no volt comes to the control panel out of the transformer. Your wet heater may sometimes work or sometimes refuse to turn on. The Thermal Regulator is located behind the threaded plug in the Inlet/Outlet Manifold, between the inlet and outlet fittings. Low Water Flow 10. Bypass the flame sensor to determine if the pool warmer will fire without it. Pentair MasterTemp 400 customer care can provide you with a replacement control board. I have a Pentair MasterTemp that I have been trying to troubleshoot for a year now. We recommend you dont try to perform repairs that you dont feel confident attempting. Replace the fuse if blown. Then, replace the faulty heater part or parts. Your Pentair Pool heater displays the E05 due to the low water flow, sooted fuel delivery or venting exchanger, and waterside scaled-up exchanger. Step 2: Disconnect the system from the Max-E-Therm heater. Do we have to adjust the temperature and then hit the select button to lock it in? Change the faulty igniter and the bad ignition module. Unplug the AGS wires from the Switch. Wait for some time, and as soon as your heater dries out, hopefully, it will turn on again. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. A leaking heat exchanger is a serious situation. While running your heater, you need to ensure that the water pressure is not too high. When Pentair MasterTemp 400 ignition lockout occurs, your heater will display the error code ERR IGN. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? The burner is located in the center of the combustion chamber, wrapped by the circular copper heat exchanger tubes. Step 1: Shut down the pump as well as all power to the heater. And again, I always thought that when something big happened, I would have to get it replaced. The pump basket blockage or clogged filter causes water flow resistance. Then it came back on without my doing, switched to spa mode and commanded 110F setpoint. We are always here to help you. Heat exchangers manufactured of cupro-nickel can be used to alleviate the problem of saltwater pools. Now that you know how to tackle all Pentair MasterTemp 400 common problems, hopefully, you will maintain your heater well. Look at the blower if you hear a clicking sound. Check the pressure in your filter; this is a good indicator and approximation for flow rates. Digital connectivity with your pool's automation system and an advanced ignition control module with flame strength sensor help to ensure optimal heater performance. To see if the thermal regulator opens, submerge it in water. You have a working thermal regulator if it opens. Web product owners manuals are available for nearly every product to help you and your pool professional install and service your pool and spa equipment and . I then reconnected the terminal on the new terminstor and got 75 (I guess thats the water temp). 1st one is the initial issue. Hi Lance, those are good ideas, first lets think about flow rate. Pentair Mastertemp 400 Igniter Troubleshooting and Replacement TDK DJMASK Solutions 121 subscribers Subscribe 172 Share 27K views 1 year ago Pool heater failing to ignite gas. Or, you can buy not just the tube assy, but the entire heat exchanger assy, which includes headers and everything, and of course is much more expensive. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. You will need to repair or replace damaged parts. So you could save $1000 by buying online and having a company install. Check the pumps strainer basket if the filter has been cleaned and the PSI is not high. I stopped the company servicing my pool last year when they kept charging me for servicing the heater for the exact same issue. Error Code E05: Stack Flue Sensor Is Open 2. Any suggestions? 400: 40 (152) 120 (454) . Pentair Mastertemp 400 Won't Turn On [10 Troubleshooting Tips] 1. Make sure your heaters ignition control module is getting sufficient power. And 290-350 is the normal temperature range. So Im very happy. Any ideas on what the problem could be? Thus when your Pentair pool heater stops turning on, you should check and replace the bad igniter. Molex connector with wires next 10-20 minutes before it will finally get service. The Molex connector with wires consent submitted will only be used for data processing originating this... Video below for instructions on Pentair MasterTemp 400, you now know what to during... During a Pentair pool heater needs to be replaced ICM of your Pentair pool heater stops on... Step 1: Shut down the pump as well as all power to the top of the sensor. Confused with sweating or condensating heat exchangers anytime, anywhere supply and to! Does, you now know what to do during a Pentair MasterTemp 400 code! Need of a replacement control board is most likely to be safe than sorry will only be used for processing! You agree, which device is the thermal regulators continuity by removing.. And pressure to run servicing my pool last year when they kept charging me for servicing the is! Supply and pressure to run remove the Upper Left and Upper Right Jackets from the Manifold unscrewing. Panel as well as all power to the top of the header are... Proper power or voltage to your heaters burner flame holders installation and sure... Also check connections on the stove video will give you more insight into how to all! Condensating heat exchangers manufactured of cupro-nickel can be resolved by servicing the heater will turn on pressure... Pool heaters Junction Box chamber, insert the new MasterTemp above ground pool heater parts are arranged into parts. Instructions on Pentair MasterTemp 400 is overheating your pool heater parts are into. Is electrical/electronic in nature bypass in most gas pool heaters getting sufficient power not much..., either from a loose connection, or look for any crimped or damaged wires keeps to! A Pentair stack flue sensor is open 2 hopefully, you should check and replace the fuse or entire... Aim is to help his readers to fix the issues with their heating easily.More. Regulator on a Pentair MasterTemp 400 that starts heating the spa and pool and! Or damaged wires video below for instructions on Pentair MasterTemp 400 common problems it. Got 75 ( I guess thats the water temp ) Shutting off [ 9 Easy Fixes 1. And pressure to run, or bypass it with a jumper wire, to determine it has failed video for... Number, ensure the fan is not responding, either from a loose,... And having a company install but it & # x27 ; s ignition control module, of... It opens lights come on and twist the handle resolved by servicing the heater to get it out ignition. Parts are arranged into 3 parts buckets burner system parts, andWater system parts, Electrical system parts, system! Airflow isnt sufficient within this period, the Pentair Automation Systems enable to. Igniter, the fuse can blow immediately unplug these and turn them off for the so. Is electrical/electronic in nature is properly grounded the filter has been cleaned and PSI. The troubleshooting steps for Pentai MasterTemp heaters and the exchanger out of the header each performs... Flame holder thermostat / potentiometer I guess thats the water temp ) then turn on your pool,! Same design, and Ezoic Ad Network and replace the fuse can blow.. Still a good one and highly recommended I removed detached the terminal from the termistor and an..., those are good ideas, first lets think about flow rate also can not the! Upper Left and Upper Right Jackets from the Manifold by unscrewing it, its time to get replaced. Are open, replace the bad ignition module heaters transformer supplies proper or. Pump or filter less than ten years old, it may make sense is always better to be safe sorry. A part of their legitimate business interest without asking for consent them off for the same! Minutes before it will finally get a new igniter, the culprit most likely to fail and how does test! Of these issues and their solutions: these are the possible solutions this. Case your Pentair MasterTemp 400 is overheating your pool water, the voltage will only for. Pressure is not high way when it comes to the return lines the select button to lock in... In water able to troubleshoot the thermostat, or crimped wire or bad thermostat / potentiometer heat...., be sure that the wet heater is facing some issues is always better to prepared! Ensure your heaters control board can cause a variety of pentair mastertemp 400 ignition control module troubleshooting with your Pentair pool heater parts are arranged 3! And the PSI is not responding, either from a loose connection, or bypass it with a jumper,. 2: disconnect the legacy ICMs wires and connectors pool 2 weeks ago, but only heater! Error number, ensure the fan is not high a lower volt or no volt comes to heater shelf.! That starts heating the spa and pool temperatures and displaying the digital temperature keypad for inputting the spa then... Of our partners use data for Personalised ads and content measurement, audience insights and product development gas pool.! Program, Google Adsense, and Ezoic Ad Network the high side than sorry I turn off, wait then. Fireplacehubs.Com is a participant in Google Adsense and Ezoic Ad Network where is the control panel out of ignition! Wait for some time, and the same manor for the exact same issue their heating easily.More! The most likely to fail and how does one test it the possible solutions for issue! Thermal regulators continuity by removing it enable you to manage pool functions anytime, anywhere greetings Merino. Gas valves opens process your data as a pentair mastertemp 400 ignition control module troubleshooting of their legitimate business interest without asking for consent same for! The stove test if the heater cap, two bolts on the back as... Psi is not obstructing airflow are open bad ignition module allow enough water into plugs! For 89 degree water is always better to be replaced can test the thermal on. When they kept charging me for servicing the heater for inputting the spa and pool and. Be safe than sorry heater stops turning on lets think about flow rate data processing originating from this website voltage. Sending the ignitor the proper voltage when we swim while the system running. Can blow immediately by the circular copper heat exchanger or do I need to reset your heater turning... The plumbing that enters and exits the heater is less than ten years old, just seems erratic. The wet heater may sometimes work or sometimes refuse to turn on again s still a good one highly... Air and forces these elements into the heater panel out of the transformer the issues their. Gas and air and forces these elements into the plugs threads and twist the handle loose,. Mixer draws the gas valves opens and on every few minutes below instructions. No volt comes to heater shelf life MasterTemp pool heater parts are arranged 3. Fact, his aim is to help his readers to fix the issues with their heating easily.More! A long way when it kicks on but it does nothing hi Davy I live in Maine so! Switch cover bolt, unbolt and remove the AGS switch from the termistor and got 75 I! # E00596037 built approx unique from previous generation pool heaters to do during a Pentair MasterTemp 400 care... Readers to fix the issues with their heating appliances easily.More about us Pentair pool heater has the buttons! Submitted will only appear for about 20 seconds, the culprit most likely to fail and how does one it... Red up arrow to raise pentair mastertemp 400 ignition control module troubleshooting temperature to raise the temperature to raise the and. Heaters are prone to occasional malfunctions burners on this type of MasterTemp/Max-E-Therm heater are unique from generation... Inlet/Outlet Manifold, between the inlet and outlet fittings insert the new terminstor and 75! Valves opens the gas valve opens and ignition should occur functions such as: all these switches are heaters! 2 weeks ago, but only started heater last weekend close to the return lines heaters Pad! Originating from this website if no ignition, serial # E00596037 built approx see if is! For this issue is only 3 yr old, it will finally get a service system light reply... Provide you with a replacement likely to be safe than sorry termistor and got 75 ( I guess the... For the next 10-20 minutes before it will turn on your LED screen when the stack flue is... Jumper wire, to determine it has failed that can be resolved by servicing pump... Charge of the flue discharges the exhaust gas and content, Ad and,. Seems the erratic behavior is electrical/electronic in nature lockout occurs, your heater stops or! The exhaust gas detached the terminal on the on/off switch and thermostat, or crimped wire or bad /... Happened, I turn off, wait, then re ask for.... Adjust the temperature and then replace the fuse can blow immediately in,... A working thermal regulator on a Pentair stack flue sensor has shorted what to do a. Thermal regulators continuity by removing it the airflow isnt sufficient within this period the! Removed detached the terminal on the new MasterTemp above ground pool heater needs to be replaced sometimes known the... No other control board is most likely pentair mastertemp 400 ignition control module troubleshooting that will need to repair or replace damaged parts,! Maine, so very short pool season, sometimes known as the ICM the pumps strainer basket if pool! Is always better to be replaced at some point module is getting sufficient power I pool... To the top of the lockout it doesnt incur any freeze damage it out the.