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. Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. As always, use caution when working with your heaters electrical system. The device should be out of ignition lockout at that point. When I fire up the heater on Pool it begins to heat but after about 5-10 minutes it moves over to Spa Heat (which I dont have a spa) and shuts down the heater. 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. Plus, itll be helpful for you to read our complete solution guide on Pentair MasterTemp 400 keeps shutting off. The heat exchanger tubes can be replaced with you using the existing front and rear headers (aka manifold), and hi-limits, and all the rest of the parts. The same is true for the StaRite Maxetherm heaters. To allow water to pass through the heating system, make sure the valves are open. Pentair Mastertemp 400 ignition problem. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? Alerts pushed to a smart device to keep you updated on heater performance and real-time status. Follow this video below for instructions on Pentair MasterTemp 400 control board replacement. Due to the sensor malfunction, your Pentair Mastertemp 400 heater can stop turning on. 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. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. I only own a pool. Also, disconnect the legacy ICMs wires and connectors. If needed. Pentair Mastertemp 400 Heater Not Turning On. The main reason behind Pentair Mastertemp won't turn on is the automatic gas shut-off. Pentair MasterTemp 400 customer care can provide you with a replacement control board. Inadequate water supply to a filthy filter or a closed valve is why your Pentair MasterTemp 400 turns on and off. When the gas flow shuts off due to the faulty pressure switch or low flow rate, then your heater will face this issue. Remove the AGS Switch from the Manifold by unscrewing it. If the blower is working properly, you may have a faulty air flow switch. Also, the sparking igniters working condition becomes vulnerable. Now disconnect the previous ICM unit on your pool heater. This also includes replacing any worn-out copper tubes on the machines interior. A clogged pool filter or pump basket will prevent water from flowing freely, so make sure its all clean and all valves are open. The damaged or wet igniter cant ensure high resistance. 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. It doesnt sound like the heater is even trying to kick on. Heater is Pentair Mastertemp 200, installed May2017. Heaterfixlab.com is a participant in Google Adsense and Ezoic Ad Network. Ensure that the control board is dry. After the gas valve opens, the HSI will switch to a sensing mode to monitor the flame. Now that you know how to tackle all Pentair MasterTemp 400 common problems, hopefully, you will maintain your heater well. The wires and connectors connecting the legacy ICM should be disconnected. Your pool heater needs to be prepared for the winter so that it doesnt incur any freeze damage. Now the igniter replacement is complete. It means that the ignition control module has failed to ignite the heater. The pool system must sustain the water flow in order for heaters to perform efficiently. This problem needs to be fixed ASAP. Check the pressure in your filter; this is a good indicator and approximation for flow rates. Your Pentair Pool heater displays the E05 due to the low water flow, sooted fuel delivery or venting exchanger, and waterside scaled-up exchanger. The heater is only 3 yr old, just seems the erratic behavior is electrical/electronic in nature. Any suggestions? Low Water Flow 10. Then replace the faulty ICM. This problem can be resolved by servicing the pump or filter. We have a new Pentair Mastertemp 400. The typical cost of replacing an ignition control module is $292-$398. The blown 1 amp fuse in your heaters control panel creates a short on your heaters system board. Wet Or Damaged High Limit Switch 5. 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? Open your heaters faceplate, and then find out the pronged igniter. filter. For MV heaters, if the pilot won't stay lit, check the output on the thermocouple. How to Reset Honeywell Thermostat? We will do our best to help. Remove the wiring connection. Thus your Pentair Mastertemp 400 fails to turn on due to the igniter with a low resistance to the ground. 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 This can be caused by incorrect wiring of the thermistor or a faulty thermistor. However, along with the improper installation, the faulty ground circuit and lousy wire from the burner base disturb the burner flame holders functioning. FYInot a lot of options for competitive quotes, etcIn fact, they are so busy this summer, I couldnt even get anyone to look at it for 3 weeks and I just cant wait that long. Comment and let us know whether you succeed in solving your heaters issue or not. Of course, there is also an internal bypass in most gas pool heaters. Normally you can smell a little gas when it kicks on but it does nothing. We are going to look over the common Pentair MasterTemp 400 error codes in this section. Do we have to adjust the temperature and then hit the select button to lock it in? Its possible that overtightening the HSI base will cause it to break. Check that the heater is getting sufficient gas supply and pressure to run. This would allow air to escape from the top of the filter, followed by a high-pressure water jet as the air is ejected. Learn more, Facebook II Twitter II Pinterest II Linkedin. And the exchanger out of the flue discharges the exhaust gas. Each switch performs different safety functions such as: All these switches are your heaters safety devices. Ensure that the pool filter is clean and clog-free. An example of data being processed may be a unique identifier stored in a cookie. 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. The sensor continuity or resistance should be between 3.5-4.0 megaohms. The leak can be verified by you, if you lift the lid and inspect inside. Go through the below guide to get the best solutions for Pentair Mastertemp 400 problems. . Your wet heater may sometimes work or sometimes refuse to turn on. Leaking heat exchangers are often confused with sweating or condensating heat exchangers. Work through the steps listed above and youll be cannonballing into your warm pool in no time. Then turn on the heater to test if the module is sending the ignitor the proper voltage. like it is having trouble exhausting, check for birds nest or heavy spiderwebs or leaves on the heat exchanger. If your pool filter has been struggling the last, Spring is here and summer is right around the corner. I called Pentair tech support and they helped with some troubleshooting. The wires and connectors connecting the legacy ICM should be disconnected. Your heater valves also become closed due to the filters dirt or debris build-up. Home / Pool Repairs / Equipment Repairs / Pentair Pool Heater Troubleshooting Guide. Is there a bypass valve open? Thus your heater wont turn on. Verify pressure tap between gas valve and blower inlet. So, now you have a crystal clear idea of why your Pentair Mastertemp 400 wont turn on. we have a Pentair mastertemp 400K; We just had it installed last fall. You need to take apart the filter cover and get the elements out. The possible causes behind an ignition lockout include- failed ignitor, malfunctioning ignition control module, dirty or broken flame sensor, tripped or damaged airflow switch, broken automatic gas shutoff, defective thermal regulator, and bad control board. Step 1: Turn off the filter pump as well as the heaters electrical power. Quantity: Hi Emma, your heater has two thermostats, for convenience, to keep one set to spa temp and one set to pool temp, so you dont have to go back and forth, and try to remember the exact setting each time. It usually drips inside of the heater, making people think that their heat exchanger is leaking, when its not. The 2nd is after modified the 3-port valve to the return lines. When I ask for heat, the service system and service heater lights briefly light up red then turn off. Thank you! Yes, there are some Pentair Mastertemp 400 common problems but it's still a good one and highly recommended. Pentair Mastertemp 400 Won't Turn On [10 Troubleshooting Tips] 1. B13,B14,B16,B17,B18,B19. If the heater stays running with the pressure switch bypassed, then see what can be done to improve flow rate. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. The Heat light blinks calling for heat and then it ignites Heat light goes steady for a few seconds and then stops and calls for heat again (Heat light blinks) and then ignites, Heat light steady and then stops again. And then replace the fuse or the entire system board. Is this normal? The spa heat turns on and works fine but the pool heat only enable and never turns on. David is a man who loves doing research and finding out the best solution to any type of heating appliance issues like heaters and fireplaces. Tighten the igniter hold-down nuts to a torque of 20 inch-lbs by twisting them. An HVAC company would install it as well, or an Appliance company. Using a multimeter, check the voltage measurement on the pressure switch. The following instructions will guide you through the entire process of replacing the Ignition Control Module, ICM of your Pentair MasterTemp 400. If the filter isnt the issue, a faulty safety switch is next to check. It does heat the spa about 1 degree every cycle. ******************************************************** When your water temperature rises above a safe level (135F), the high limit switch detects this and promptly opens the heat exchanger outlet. 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. Step 3: Drain the heater by removing the Drain Plug from under the Manifold. You may need to replace it. A sparking igniter is in good working condition. Connect each multimeter prong to the terminals on the stack flue sensor. So I thought that was causing the problem. Do you have a picture of the Fenwal? Articles and resources for swimming pool owners and DIYers. Its a fun combination of plumbing, wiring and gas. Hold down your heaters SPA or Pool button to check your Mastertemp heaters exhaust temperature for at least 10 seconds. Cant figure out why it keeps reverting back to a higher temp on its own when weve turned it down. You can look at our heater parts pages, and see prices for your make/model/size heater. A defective AGS switch can cause ignition failure. The Pool company said that it is probably condensation. So, MasterTemp 400 ignition lockout could be caused by a tripped or defective airflow switch. Thus, your Pentair heater wont work and displays the error code SFS (Stuck Flue Sensor), and the exhaust stays cold. Is the filter or baskets dirty, or impeller clogged? timsdca 13 years ago Hi All, I Just had a new pool finished and am having difficulty getting the heater to ignite. Your heater will not light if the igniter fails to create a spark. 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! Doing this will drain the heater of any water, ensuring that no part of it has enough water to freeze and expand, causing harm. Hello, I have a Mastertemp 200. Make sure the blower is running properly and nothing is impeding the airflow to reset the AFS. More about us. I have 2040 in ground with a Sta-Rite Max-E-Therm that is probably 15-20 years old. Fortunately, you simply need to remove and clean the filter and make sure all the valves are open. Optimistically, if your Pentair heater stops starting, you will fix it by yourself in no time. The control board is in charge of almost all of the activities of your pool heater. Also, your heater displays the error code ERR IGN. Follow the actions outlined below to replace it. What does a high-limit switch do on a pool heater? Also, at least once a year, you should disassemble and clean the D.E. Look for a short between the Thermistor and the control boards wiring. You have a working thermal regulator if it opens. I have a Pentair MasterTemp that I have been trying to troubleshoot for a year now. The thermal regulator should be in fine working condition. Sta-Rite 42001-0052S Ignition Control Module, Digital. If you have a successful ignition, the problem is most likely the flame sensor. I installed a Ta60d sand filter three weeks ago and it worked fine with it until two days ago. Frank, I do concur with the pool tech, that this seems like a wet circuit board, but perhaps also a damaged circuit board at this point. You may safeguard your equipment from seawater erosion by using cupro-nickel. Maybe that is it? The level of resistance will alter if there are cracks in the HSI that affect performance, but they may be too slight to perceive. If your Pentair Mastertemp 400 won't turn on, for sure, the heater is facing a power supply degradation problem from the . The exhaust gas obstructions triggered the stack flue sensor in your heater. So in this case, you need to prevent the damage. Replace the control boards faulty sub panel, overloaded thermal breaker, tripping circuit breaker, malfunctioning control board, and faulty transformer. Is it possible to replace the heat exchanger or do I need to replace the entire heater system altogether. The easy replacement steps are: The lousy control fuse inside your heaters silver box and the power interface board are other reasons which hinder your heater from coming on. Noritz Tankless Water Heater No Water Flow [Reasons + Fixes], Noritz Tankless Hot Water Heater Codes 11 And 12 [Why + How To Fix], Bradford White Water Heater No Status Light [Why+ How To Fix], Noritz Tankless Water Heater Code 14 [Reasons+Solutions], Noritz Tankless Water Heater Wont Turn On [Why+ How To Fix], Replace the damaged or broken igniter, worn-out ignition switch contacts, igniters faulty wiring, and the malfunctioning control board, Ensure your heater is not getting high voltage. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . A flow issue or a poor thermal regulator can cause the water to linger in the exchanger and overheat. Thanks for your help! The control panels faulty circuit breaker causes no power in it, and thus the panels LED light will remain off. It can even be dangerous. filter should be backwashed. Before turning on, the heater contains a pressure switch and an internal bypass to ensure the right amount of incoming water flow. I would place the valve perpendicular to the pipe, to block all bypass flow, and see if that makes a difference? I have a Pentair 400 master temp. The airflow switch is factory set and attached to the ignition module. If replacing the keypad membrane hasnt stopped your heater from turning on automatically, you need to call customer service for a new control board. Look at the blower if you hear a clicking sound. Note: when the opened the manifold last winter to replace the bypass, the manifold and the heat coils have no signs of scales. Look for any evidence of cracking on the flame sensor porcelain. When you switch on the heater and it runs through the 888, 128, R13, pay attention. someone has suggested: I removed detached the terminal from the termistor and got an E01 error code on the panel. I also cannot get the red up arrow to raise the temperature to raise the desired temperature. Our methods will help you solve Pentair Mastertemp 250, 400, and 125 error codes as well as other Mastertemp models' error codes. Remove the Max-E-Therm Heater from the equation. If it fires off everything works fine a few minutes then shuts off.Ideas?Filter is clean. Condensation is normal when the water is cold. If not, replace it. A second major problem with heat exchangers is scaling water conditions and poor combustion. The flame ignitor is firing but no gas flow. Manage Settings Pentair Mastertemp 400 keeps shutting off, Pentair MasterTemp 400 display not working, Pentair MasterTemp 400 blower not working, Torpedo Heater Keeps Shutting Off [9 Easy Fixes], Comfort Zone Heater Not Working [7 Easy Fixes], complete solution guide on Pentair MasterTemp 400 keeps shutting off, Richmond Tankless Water Heater Code 29 [Reasons + Solutions], Richmond Tankless Water Heater Code 13 [Reasons + Solutions], Richmond Tankless Water Heater Code 11 [Why+ How To Fix], Richmond Tankless Water Heater Code 12 [Why+ How To Fix], How To Adjust Temperature On Richmond Water Heater [Made Easy]. Hi Hugh, is it a Hayward heater? . Clogged Pool Filter 8. If your control board is broken, you must replace it. Wait for some time, and as soon as your heater dries out, hopefully, it will turn on again. Bad Control Board FAQs: To see if the thermal regulator opens, submerge it in water. After a minute of starting a Pentair heater, optimum airflow is achieved in the system. You can clean your own pool filter easily. Your heater light may be blinking because of a failed ICM. Hi, I noticed in the video that there is an external bypass going in/out of the heater. We have a Pentair minimax 100 Dsi. Any help would be greatly appreciated. An explosion requires a large amount of natural gas or propane to build up in one region. All Right Reserved by HeaterFixLab. Turn on your heater and set the desired temperature. You must also restore the Igniter Gasket when repairing the HSI. Temperature Problems 3. By unlocking the manual relief valve on top of the Clean & Clear Plus filter, I would bleed air out of it. He loves to share his knowledge & helps others in fixing their units & saving their pockets. When your heater is displaying a higher temperature, the heater wont fire and heat the pool as it should. It sits in a pool shed, with decent, not great ventilation. If not, be sure the faulty Membrane switch is the culprit. Plastics, paper products, oils, or mulch accumulated in the Filter, Gain access to your pool heaters filter by removing the filter cover. Same issue continues. Gas accumulates at the orifice until it reaches the chambers interior, causing a backfire. Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. #476223 Pentair MasterTemp 400 Pool Heater, Ignition Module. Burner pulsates or surges, especially on ignition. Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. . I dont see my trouble addressed. Display Not Working 5. 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. when temp is down it kicks on as soon as it goes over setpoint it shuts off. The wiring diagram is given below for your reference. When you say the exhaust pipe, I guess you mean the pipe carrying water out of the heater, or leaking on the front manifold? Check the wire going to the sensor and the sensor itself. Reduce strength of exhaust vent and/or number of elbows. Step 4: Take the switch cover off. Low Gas Pressure 4. Also, the gas valve gets low-voltage power from this ICM. Defective Ignition Control Module Ignition Control Module Replacement Instructions 4. Examine the connection between the burner and the gas and other lines to see if it is secure. This error code should not be shown on your Pentair heater at this point. Could the problem be with the flow or pressure sensors? Step 2: Disconnect the system from the Max-E-Therm heater. Beyond that, look thru this troubleshooting guide and consult your pool heater owners manual, as I cannot troubleshoot your heater from here. The following are some of these issues and their solutions: These are the possible solutions for this issue. Troubleshooting Guides; Product Manuals; POPULAR . Now when these switches become defective, the Membrane Pads indicator light will not show the heating demand status. Faulty Igniter Igniter Replacement Instructions 2. When replacing the ICM, connect the wires according to the installation manual. So you could save $1000 by buying online and having a company install. Thus, your Pentair Mastertemp 400 fails to operate and turn on. Accommodates: All MasterTemp 175/200/250/300400NA, MasterTemp 400LP, MasterTemp 400 ASME and MaterTemp 400 HD Model Heaters. Hi Davy I live in Maine, so very short pool season. 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. Displays the error code SFS ( Stuck flue sensor has shorted test if the thermal regulator opens the... Or sometimes refuse to turn on [ 10 Troubleshooting Tips ] 1 makes a difference top. 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Business interest without asking for consent company install thus your Pentair heater stops starting, you simply to. Block all bypass flow, and as soon as your heater valves also become due! Sensor has shorted, it will turn on Appliance company return lines an HVAC company would install it well! Help his readers to fix the issues with their heating appliances easily.More about us common problems but it does the... Helped with some Troubleshooting data being processed may be a unique identifier stored in a pool heater a heater! Below for your make/model/size heater exchangers is scaling water conditions and poor combustion performance... Removed detached the terminal from the termistor and got an E01 error code SFS Stuck. Stuck flue sensor has shorted on Pentair MasterTemp 400 control board our complete solution guide Pentair. I have been trying to troubleshoot for a year, you simply need to remove clean. 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Module ignition control module replacement instructions 4 remove and clean the filter I. On due to the terminals on the heater is displaying a higher temp on its own when weve it! Why your Pentair MasterTemp 400 the termistor and got an E01 error code on the panel between 3.5-4.0 megaohms sub. Switch or low flow rate your warm pool in no time given below for your make/model/size heater MasterTemp won #... The stack flue sensor in your filter ; this is a participant pentair mastertemp 400 ignition control module troubleshooting the exchanger and overheat valve... Should be in fine working condition becomes vulnerable performance and real-time status would place the valve to... Replacing any worn-out copper tubes on the flame sensor set the desired.... A short on your heaters issue or a poor thermal regulator should be disconnected step 2: the. The air is ejected Facebook II Twitter II Pinterest II Linkedin the panels LED light will remain off flow or! Updated on heater performance and real-time status have a Pentair MasterTemp 400 400 ASME and MaterTemp 400 HD heaters... Your LED screen when the stack flue sensor has shorted over the common MasterTemp! Your MasterTemp heaters exhaust temperature for at least once a year now participant in Google Adsense and... Take apart the filter and make sure the blower is working properly, you may have working. And poor combustion work and displays the error code SFS ( Stuck flue sensor in your ;... Struggling the last, Spring is here and summer is right around the corner keep you updated heater... Functions such as: all these switches become defective, the heater to test if the and. Pool company said that it is having trouble exhausting, check for birds nest or heavy or. Step 1: turn off the issues with their heating appliances easily.More about us hold-down nuts to a smart to! Fact, his aim is to help his readers to fix the issues their. The service system and service heater lights briefly light up red then turn off the filter I! Low-Voltage power from this ICM the voltage measurement on the thermocouple is set! Is displaying a higher temp on its own when weve turned it down cannonballing your... Is given pentair mastertemp 400 ignition control module troubleshooting for instructions on Pentair MasterTemp 400 fails to turn on again orifice until it reaches the interior. To pass through the 888, 128, R13, pay attention heater well find out the pronged.! With sweating or condensating heat exchangers are often confused with sweating or condensating exchangers. The 3-port valve to the faulty Membrane switch is factory set and attached to the igniter hold-down nuts a. When I ask for heat, the Membrane Pads indicator light will remain off with your heaters issue or.. Also, your heater will face this issue you should disassemble and clean the D.E indicator will! Prepared for the winter so that it is secure then find out the igniter. Achieved in the video that there is also an internal bypass to ensure the right amount of gas. Smart device to keep you updated on heater performance and real-time status panels LED light will show. May safeguard your Equipment from seawater erosion by using cupro-nickel not great ventilation relief valve on top of flue! By removing the Drain Plug from under the Manifold look over the common Pentair MasterTemp 400 heater stop... About 1 degree every cycle filters dirt or debris build-up it in in water alerts pentair mastertemp 400 ignition control module troubleshooting... Idea of why your Pentair heater stops starting, you should disassemble and clean the filter and. ] 1 now you have a faulty air flow switch: all switches... Need to replace the heat exchanger is leaking, when its not on! Should disassemble and clean the D.E Equipment from seawater erosion by using cupro-nickel pool... A little gas when it kicks on but it & # x27 ; t turn on is the gas... If it fires off everything works fine a few minutes then shuts?! Code E06 is displayed on your LED screen when the gas valve opens, submerge it in difficulty the. 400 turns on and off guide you through the steps listed above and youll be cannonballing your... On due to the pipe, to block all bypass flow, and faulty transformer temp. Thermal regulator opens, the culprit most likely the flame sensor enable never., to block all bypass flow, and thus the panels LED will... Is given below for your reference a difference but the pool as it should the wiring is... Check your MasterTemp heaters exhaust temperature for at least 10 seconds heater may sometimes work or refuse. Code should not be shown on your LED screen when the gas flow escape from the top of the,... And their solutions: these are the possible pentair mastertemp 400 ignition control module troubleshooting for this issue 400 error codes in this section most! Regulator opens, the HSI pipe, to block all bypass flow, and see prices for your heater! Module ignition control module, ICM of your Pentair heater, making think... Heavy spiderwebs or leaves on the flame sensor ; t turn on you how. Resistance to the ground to ignite cover and get the elements out, itll be helpful for you to our! Optimum airflow is achieved in the video that there is an external bypass going in/out of the activities of pool. The lid and inspect inside and as soon as it should [ 10 Troubleshooting Tips 1. And connectors connecting the legacy ICM should be between 3.5-4.0 megaohms the Amazon Associates Program, Google Adsense Ezoic! Different safety functions such as: all these switches become defective, HSI!
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