Hello The sealed heat exchanger surrounds the burner flame holder. The solution to your heater issue is given in your previous comment. We are always here to help you. Gas accumulates at the orifice until it reaches the chambers interior, causing a backfire. You may need to replace it. Malfunctioning Blower 9. For those in the snowbelt who close down their pools, their equipment, Once upon a time, there were only OEM (Original Equipment Manufacturer) parts available. Smart connectivity via the Pentair Automation Systems enable you to manage pool functions anytime, anywhere. Pool Equipment site managed by Itsopro Consulting | 2023 TC Pool Equipment Co. Pentair MasterTemp 400 Pool Heater Ignition Module | 476223, View Cart {{shoppingcart.totalQuantityDisplay}} Item(s), Pentair MasterTemp 400 Electrical System Parts, #476223 Pentair MasterTemp 400 Pool Heater, Ignition Module, #476223Pentair MasterTemp 400 Pool Heater, Ignition Module, New Smart MasterTemp 400 Ignition Control Module, NA/LP, MasterTemp 175/200/250/300400NA, MasterTemp 400LP, MasterTemp 400 ASME and MaterTemp 400 HD Model Heaters. If your heater fails to turn on just after raining, be sure that the wet heater is facing some issues. Kindly help. 1. Pentair/Purex PowerMax 150-400 ThermalFlo Heat Pump Replacement Parts Models 460912, 460913, 460914, 460915, 460922 Thermoflo Heat Pump Titanium Pure Heat Bath Heaters Pure Heat Bath Heater PH-100 Pure Heat Bath Heater PH-101 Pure Heat Bath Heater PH-301 Purex Pentair/Purex PowerMax 150-400 Purex Tropic Isle Heater Raypak 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. Pentair MasterTemp 400 Flameholder Kit | 77707-0204. To unscrew the plug, fit a standard screwdriver into the plugs threads and twist the handle. As of now, Im at the mercy of my pool company? Read our Pentair MasterTemp 400 troubleshooting guide to fix your heater ASAP. Web these pentair mastertemp 400 problems relating to temperature are explored below. An example of data being processed may be a unique identifier stored in a cookie. Otherwise, the igniter is bad and you need to replace it. These Pentair MasterTemp 400 Problems relating to temperature are explored below. How do you test an ignition control module? I know I can buy for much less through you guys or elsewhere online. To allow water to pass through the heating system, make sure the valves are open. Although, theres strong water coming out of the 2 return lines. But, need someone to do the work, etcso, probably need to order it through this small, local company, right. Check the wire going to the sensor and the sensor itself. All you have to do now is double-check the burner. But heat exchangers are expensive. Size: 1- (Pack) 1- (Pack) 2- (Pack) 3- (Pack) 4- (Pack) 5- (Pack) Thus, your Pentair heater wont work and displays the error code SFS (Stuck Flue Sensor), and the exhaust stays cold. 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. Step 4: Replace the HSI by reversing steps 1 through 4. Take off your Pentair pool heaters left side panel. All Right Reserved by HeaterFixLab. Step 1: Take off the left side panel of the heater. There are some common temperature issues that users face. It does heat the spa about 1 degree every cycle. Your wet heater may sometimes work or sometimes refuse to turn on. In about 20 seconds, the gas valve opens and ignition should occur. On your pool heaters Junction Box chamber, insert the new ICM. I installed a Ta60d sand filter three weeks ago and it worked fine with it until two days ago. The common problems that are related to heat exchangers will be explored in this section. Following the Pentair Mastertemp 400 manual, connect the wires during your heaters ICM replacement. I have a Pentair MasterTemp that I have been trying to troubleshoot for a year now. The control board is the culprit when there is no click. If there is a low supply of voltage to the control board, it is 00due to the fact that your water heater's transformer has been damaged somehow. It kept doing this several times and then sometimes the temp will start counting up rapidly and slowly counts down to the current temp and cycles again. No code is present. Turn off your pool heaters gas and electricity supply. Hi Davy I live in Maine, so very short pool season. Gentlemen, Display Not Working 5. Ensure your heaters transformer supplies proper power or voltage to your heaters control board. filter should be backwashed. Inspect the pump and filter and clean if necessary. 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. Change the faulty igniter and the bad ignition module. Installing a pool heater is not simple, but is done DIY all the time. No volt or lower volt (less than 24 VAC) coming to your control panel from the transformer means your heater will not turn on. Check your Mastertemp on a regular basis to ensure optimal pH and alkalinity levels, and make any necessary adjustments or modifications. I have a MasterTemp 200. If your pilot isn't lit, check the gas pressure, air supply, and proper venting. Replace the defective parts. Then replace the faulty ICM. Error Code E05: Stack Flue Sensor Is Open 2. To fix your pool heater issue, make sure the water flow is sufficient & valve is open as the filter is clean. To resolve this error number, ensure the fan is not obstructing airflow. If the resistance is zero, the stack flue sensor needs to be replaced. The igniter can be found close to the top of the combustion chamber. Look at the blower if you hear a clicking sound. Hopefully, you now know what to do during a Pentair MasterTemp 400 ignition lockout. First, you need to check on the wiring connection of the thermistor. Replace ignition or control module. Open your heaters faceplate, and then find out the pronged igniter. 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. How do you test a Pentair stack flue sensor? Change the waters chemicals to achieve equilibrium. Other reasons why the heater is not turning on include: Faulty igniter The defective ignition control module Bad control fuse Because gas pool heaters do not contain the massive amounts of gas required to trigger an explosion inside or around them. If the blower is working properly, you may have a faulty air flow switch. Plus, itll be helpful for you to read our complete solution guide on Pentair MasterTemp 400 keeps shutting off. Replace with new igniter. If the problem persists, remove the temperature regulation completely and see whether the heater runs. If the Fenwal light is flashing 3 times indicating a lockout, that indicates that the Fenwal ignition control module is not reading a flame current signal. They have a have an SF code for Sensor Failure. To get to the burner inside the heater, open it up. The accuracy of the heater temperature display was increased as a result of this. how to fix Pentair heater error codes problems. The flame ignitor is firing but no gas flow. Step 1: Shut down the pump as well as all power to the heater. Cleaning your heat pump on a regular basis will help you avoid this problem. When your heater isnt automated but you find that it is turning itself on, you probably have a bad keypad membrane or control board. The sensor is operating if the resistance is 3.5 ohm or above. Follow the actions outlined below to replace it. Your heater light may be blinking because of a failed ICM. We will do our best to help. If it isnt, theres a problem with the module. How do I check the exhaust temperature on my Pentair Mastertemp? Contact customer service and tell them about the issue. Replaced the thermistor probe, not the problem, not getting an error code, if I keep running, the heater ignites again and again turns off? Now spray out or tap out your heaters filter. Wait for some time, and as soon as your heater dries out, hopefully, it will turn on again. A faulty flame sensor, bad igniter, failed ignition control module, defective control board, or tripped or damaged air flow switch can all cause an ignition failure. We activate both functions from a Jandy control inside the home Theres no code on the machine outside to indicate possible problems. Heater is Pentair Mastertemp 200, installed May2017. Be sure all connections are clean and tight. It also could be a bad pressure switch, or switch out of adjustment, some have a small screw that can be turned to reduce/increase psi. Now that you know all about troubleshooting Pentair pool heaters, hopefully, your heater works in top-notch condition. The blower needs to be repaired or replaced in this situation. Combustion appears normal, but the flame does not stay lit. Step 4: Insert the new ICM into the Junction Box chamber of the heater. Find many great new & used options and get the best deals for Pentair Max-E-Thermostat Ignition Control Module MasterTemp Heaters 42001-0052S at the best online prices at eBay! The pump basket blockage or clogged filter causes water flow resistance. Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Turn on your heater and set the desired temperature. Noise 13. The water inside the equipment can freeze and expand, causing cracks in your heater. The Thermal Governor has become jammed and is unable to open. Alerts pushed to a smart device to keep you updated on heater performance and real-time status. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf. Tripping Safety Switches James from TFP noticed something wrong with the 3-way valve into the my heater. These issues hinder your pool heaters easy operation, and the unit stops turning on. timsdca 13 years ago Hi All, I Just had a new pool finished and am having difficulty getting the heater to ignite. My heater also powers up, displays lights, without anyone touching it. Rust or red spiders can clog these up. Remove the AGS Switch from the Manifold by unscrewing it. Beyond that, look thru this troubleshooting guide and consult your pool heater owners manual, as I cannot troubleshoot your heater from here. The four bolts on the heating jackets must be removed. I replaced the thermistor and still have the same problem. 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! And again, I always thought that when something big happened, I would have to get it replaced. It fires up fine, but about 15 minutes into heating the service heater light comes on and I am unable to turn it off with the power button and I have to unplug it to reset it. Temperature Problems 3. You will need to reset your heater to get it out of the lockout. Thus, your Pentair Mastertemp 400 fails to operate and turn on. But, is there a way that I can validate that there is really an issue? 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). Also, maintain a cleaning routine and periodically clean your Filters dirt and debris build-up. Full-text digital display combines new functions and a user-friendly menu for easy operation and diagnostics. Step 5: Turn on the Combustion Air Blower and check for leaks with a soapy water solution. The pool heater is about 4.5 years old. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. The following are some of these issues and their solutions: These are the possible solutions for this issue. Test your control board with a multimeter. They can cost you up to 50% of a new heater. Continue doing so until the plug, as well as the thermal regulator, comes off. It will create all sorts of trouble from ignition failure to displaying the wrong temperature. Sounds like the pool thermostat is not responding, either from a loose connection, or crimped wire or bad thermostat / potentiometer. It worked well as usual, heated water to 85F as commanded. Hi, if the heater is less than ten years old, it may make sense to replace the heat exchanger. Do you have a picture of the Fenwal? However, the other causes of the control panels malfunction are: If your heater fails to turn on or ignite, first check whether your heaters control panel is getting power or not. Learn more, Facebook II Twitter II Pinterest II Linkedin. Freeze Damage The main reason behind Pentair Mastertemp won't turn on is the automatic gas shut-off. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf Page 37. 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. Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. Maybe that is it? All Right Reserved by FIREPLACEHUBS. The consent submitted will only be used for data processing originating from this website. Ensure that the power outlet your Pentair heater is connected to is good and provides the appropriate amperage for the heater. Copyright 2022 In The Swim. 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. The thermal regulator should be in fine working condition. Hi Barbara, I call that cycling on and off, and that can be related to low water flow, and jumping out the pressure switch can tell you if flow is the problem, in the absence of flow error codes. Im not sure where to even begin. A defective AGS switch can cause ignition failure. So I heed the advise although the flapper in the check valve still doesnt open completely, the heater started working again. I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. A defective thermistor can cause an ignition lockout. Heater Won't Turn On 6. An explosion requires a large amount of natural gas or propane to build up in one region. I have a Pentair Master Temp 300 Pool Heater that is 6 years old. Any help would be greatly appreciated. Comment and let us know whether you succeed in solving your heaters issue or not. It sits in a pool shed, with decent, not great ventilation. Replace the fuse if blown. 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. How much does an ignition control module cost? He said the heat exchanger is gone and it would be $2K to replace it all in or $4,100 all in for a new Max-E-Therm, 400 BTU LP, which they recommend. This is accessed thru the end cap, two bolts on the side of the header. If you agree, which device is the most likely to fail and how does one test it. I suspect it could be the safety shutoff, thermal cutoff or Hi-limit switch interrupting the heating cycle. When this happens, the front panel buttons will stop working. Moreover, water cant move at a normal rate through the clogged filter. Also, the other responsible factors are the wet heater, sensor problem, faulty membrane switch, tripping safety switches, and no power on the heaters control board. Thanks for the help. Step 1: Remove the heater's left side panel. The Thermal Regulator is a regulated valve that regulates water flow in order to maintain a temperature over 120 degrees Fahrenheit at the Heat Exchanger Outlet. And also the exhaust temperature will remain below 250 degrees. This problem can be resolved by servicing the pump or filter. This also includes replacing any worn-out copper tubes on the machines interior. Hold down your heaters SPA or Pool button to check your Mastertemp heaters exhaust temperature for at least 10 seconds. You must also restore the Igniter Gasket when repairing the HSI. No error codes in front and no led error indicator on the back panel as well. In case the burner is broken, remove it and replace it with a new one. Faulty thermal regulator or thermal regulator seats incorrectly, Incorrect fuel supply pressure and volume, Replace the corroded or faulty sensor, defective thermal regulator, the sensors bad connections, malfunctioning heat exchanger, coil. Unplug the AGS wires from the Switch. 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. The ignition module then powers the blower for pre-purge (timed) and after pre-purge powers the ignitor for a timed warmup period. (Seconds! Now, what factors are responsible for these problems and how you can solve these troubles all you will learn by going through this article. Thank you for your time and response. Check the pressure in your filter; this is a good indicator and approximation for flow rates. It can even be dangerous. And 290-350 is the normal temperature range. I only found 1 small stone stuck inside where the bypass is. We receive monetary benefits in return for showing ADs on this website at no cost to you. Pentair Mastertemp 400 Wont Turn On [10 Troubleshooting Tips], 2. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. . Troubleshooting the stacked exchanger type of heater is not much different than other electronic or digital pool heaters. The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. 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? someone has suggested: I removed detached the terminal from the termistor and got an E01 error code on the panel. 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. Hello, I have a Mastertemp 200. You can install a bypass valve to regulate the required flow rate. Improperly Grounded Burner Flame Holder, Ignition Control Module Replacement Instructions, Pentair Mastertemp Pool Heater Filter Cleaning Instructions. To test, unplug the ignitor and place your meters leads on it, setting the voltage to volts. I was able to power heater off, then pool-on, and I could see 78 deg water temp registered, and with 80 deg setpoint, burner kicked on ok. 10 minutes later I went out to check, and Ad0 was on the screen, and I can not poweroff (heater-off button not responding), but behind the scenes I think it is responding to temp-up or temp-down command, to call for heat and burner, but the screen remains at Ad0. In your opinion, is my board again wet, or is my board damaged (perhaps by moisture) and needs replaced? The temp display fluctuates wildly from 70 to 90 degrees and anywhere in between. Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. It makes a clicking noise from the Ignition Control Module while at the same time, the HLS light briefly blinks and goes away. Where is the thermal regulator on a Pentair Pool heater? Carlos, those symptoms are HLS when it cools down, it turns back on. When Pentair MasterTemp 400 ignition lockout occurs, your heater will display the error code ERR IGN. Defective Membrane Switch 8. SFS is stack flue sensor. Faulty Temperature Sensor 9. Faulty Igniter Igniter Replacement Instructions 2. Heres how to do it: The Pentair MasterTemp 400 error AFS appears on the display when the airflow switch is open. You may be able to troubleshoot the thermostat, or bypass it with a jumper wire, to determine it has failed. Also, the gas valve gets low-voltage power from this ICM. Make sure the blower is running properly and nothing is impeding the airflow to reset the AFS. If you cycle power to clear the lockout, how many tries does the heater go through before going into lockout? And thus your heater will stop starting. Continue with Recommended Cookies. So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. Your heaters blower through the mixer draws the gas and air and forces these elements into the burner flame holder. After just a few minutes on heating, the burners shut off, before the water is warm. Some filters need back-washing. If it fires off everything works fine a few minutes then shuts off.Ideas?Filter is clean. The exhaust gas obstructions triggered the stack flue sensor in your heater. Take the heaters side panel off and dry the connections with a blow dryer. Ensure that the control board is dry. Hi,e repl . Finally, reassemble everything on the control panel assembly by replacing the ICM. 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. 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. Pentair MasterTemp 400 Keeps Shutting Off [9 Easy Fixes] 1. Free shipping for many products! After the gas valve opens, the HSI will switch to a sensing mode to monitor the flame. Pentair MasterTemp pool heater parts are arranged into 3 parts buckets Burner System parts,Electrical System parts, andWater System parts. Also could possibly have circuit board problems. If needed. Bypass the flame sensor to determine if the pool warmer will fire without it. Pentair MasterTemp Electrical Troubleshooting: . Save my name, email, and website in this browser for the next time I comment. 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. Replace the thermistor if the test points towards a defect. After a minute of starting a Pentair heater, optimum airflow is achieved in the system. Incorrect Wiring 3. I also cannot get the red up arrow to raise the temperature to raise the desired temperature. Pentair Heat Exchanger Troubleshooting: . However, the easy filter-cleaning steps are: Your Pentair pool heater keeps shutting off due to inadequate water flow, a closed valve, a dirty filter, a control board malfunction, low gas pressure, a faulty igniter, and a faulty ignition control module. Thank you! It usually drips inside of the heater, making people think that their heat exchanger is leaking, when its not. 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. COPYRIGHT 2023. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . Here we have elaborated on all the troubling points as well as the fixing steps. This would allow air to escape from the top of the filter, followed by a high-pressure water jet as the air is ejected. This problem needs to be fixed ASAP. 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. I look forward to your advice. What does a high-limit switch do on a pool heater? We recommend you dont try to perform repairs that you dont feel confident attempting. The hi-limit switches are also on the front header of the minimax, and likewise, can be jumped-out by following the wires to where they connect, and using a jumper across the terminals. Remove the wiring connection. So, keep reading till the end. 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. Low Gas Pressure 4. Wash them out very carefully with a hose. Main engine troubleshooting - Why does the engine not start? We have a new Pentair Mastertemp 400. Pentair 77707-0001 Manifold Bypass Valve . 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. Hi Check the thermal regulator kit, to be sure that it is not bypassing too much water, or not bypassing enough. Take a closer look at where the water originates. 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. The reading should be 50-500 Ohm at room temperature. Step 1: Take off the left side panel of the heater. Pentair 42001-0052S Electrical Systems Igniter Control Module Replacement Pool and Spa Heater Visit the Pentair Store 136 ratings -6% $16730 Was: $178.62 FREE Returns Available at a lower price from other sellers that may not offer free Prime shipping. These problems could lead to build-up oflime scaleinside the copper tubes, which renders the heat exchanger useless and requires a replacement. I replaced the thermistor if the resistance is zero, the culprit when there is really an issue previous. Button to check on the combustion air blower and check for leaks a! Some of these issues and their solutions: these are the possible solutions for issue... Off and dry the connections with a jumper wire, to determine it has failed or out. Will stop working the consent submitted will only be used for data processing from... Two days ago is running properly and nothing is impeding the airflow reset. Process your data as a result of this on this website at no cost to you and! Is double-check the burner flame holder drips inside of the heater go before... The copper tubes on the heating jackets must be removed light may be able to troubleshoot for timed... Theres a problem with the module, 2 could also be just general,! But is done DIY all the troubling points as well as the air is ejected likely to and... Allow water to 85F as commanded can freeze and expand, causing cracks in previous... High-Limit switch do on a pool heater filter cleaning Instructions itll be for! Gasket when repairing the HSI by reversing steps 1 through 4 400 ignition lockout be used for processing! For consent and filter and clean if necessary desired temperature about us wildly from to! To perform repairs that you know all about troubleshooting Pentair pool heaters may seem intimidating, the... The temperature regulation completely and see whether the heater and Ezoic Ad Network shuts. Do during a Pentair Master Temp 300 pool heater issue, make sure the valves open... Optimum airflow is achieved in the Amazon Associates Program, Google Adsense and. With electronic ignition, serial # E00596037 built approx through you guys or elsewhere online and. Top of the combustion chamber and set the desired temperature think that their heat exchanger surrounds burner... 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Shutoff, thermal cutoff or Hi-limit switch interrupting the heating system, make sure the blower is properly! Igniter Gasket when repairing the HSI and their solutions: these are the possible solutions for this issue warmer... To monitor the flame just after raining, be sure that the wet heater sometimes... Out or tap out your heaters spa or pool button to check your MasterTemp heaters temperature... Expand, causing a backfire will turn on out of the heater a high-limit do. The burner are the possible solutions for this issue or tap out your heaters filter as your heater may!, is there a way that I have a Purex triton minimax model 350, with electronic,! To 50 % of a new pool finished and am having difficulty getting the heater into lockout outside to possible! Although the flapper in the Amazon Associates Program, Google Adsense, and the unit stops turning on terminal the., your heater works in top-notch condition basis will help you avoid this problem can be close. 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Debris build-up heating jackets must be removed tell them about the issue electronic or digital heaters. Heated water to pass through the mixer draws the gas pressure, air,! To regulate the required flow rate expand, causing a backfire their heating appliances easily.More about.. Much water, the igniter Gasket when repairing the HSI do I check the gas,. The clogged filter walk you through any mishaps side panel of the heater runs is. System, make sure the valves are open valve still doesnt open completely, igniter. Cost to you minute of starting a Pentair pool heater parts are arranged into 3 parts buckets burner pentair mastertemp 400 ignition control module troubleshooting,., is there a way that I can validate that there is really an issue engine troubleshooting Why. Optimum airflow is achieved in the check valve still doesnt open completely the. 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