Replace the bad switches. Hi Check the thermal regulator kit, to be sure that it is not bypassing too much water, or not bypassing enough. This low inventory might be down to a harmed transformer or a low stockpile of voltage to the hotness siphon. It is being practiced by thousands of pool owners just like you. 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. I let it run and the temp slowly went up from 74 to 77 in just an hour without stopping. 4. It fires up fine again then the same thing happens. Check that the heater is getting sufficient gas supply and pressure to run. Check and rid the pump impeller of any dirt stuck inside. I have a MasterTemp 200. Did you replace both Hi Limit Switches? Reason 4: Thermal Governor has got stuck and is not opening. In case your heating system is clean and free from loose debris, it is most likely the manifold bypass. This means that the cleaner also won't impact the efficiency or operation of your filtration system. I have a MasterTemp400 unit that has been in place since about 2010, wherein the "Heater Off" button won't turn the unit off. service system & service heater lights are off heater set p read more All of this must be considered when deciding whether to fix the heater by changing the exchanger or replacing the entire heater. If you deem it necessary, then clean the entire filter system. I love gardening a lot! Trouble shooting a mastertemp that will not turn on when buttons are pressed. All Rights Reserved. We are going to look over the common Pentair MasterTemp 400 error codes in this section. 38. 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 Troubleshooting [A Complete Guide], Richmond Electric Water Heater Troubleshooting [A Complete Guide], Richmond Gas Water Heater Troubleshooting [A Complete Guide], Richmond Water Heater Blinking Light Codes [Why+ How To Fix], Richmond Water Heater Gas Valve Problems [Why + How To Fix]. Any suggestions? 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). They can cost you up to 50% of a new heater. What else can impact the temp reading? Check out the internal and external bypass systems. Bad or damaged temperature sensors, the incorrect temperature setting of the thermostat, and bad internal bypass are the main reasons for occurring this. Edit. people are struggling with the DE pool filters, Hot Water Is Dripping Through A Coffeemaker: Reasons And Solutions. You need to replace the corroded or damaged regulator. Replace if there have any defects. filter should be backwashed. 5 Common Cat Behaviours And What They Mean, Rheem Tankless Water Heater Maintenance [Why+ How To Do], Rheem Tankless Water Heater Code 61 [Why+ How To Fix], Rheem Tankless Water Heater Code 14 [Why+ How To Fix], Rheem Tankless Water Heater Code 99 [Why+ How To Fix], Rheem Tankless Water Heater Code 76 [Why+ How To Fix], Incorrect temperature settings in the thermostat. Then it came back on without my doing, switched to spa mode and commanded 110F setpoint. Dont stress! Table of Contents. Hi Davy I live in Maine, so very short pool season. 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 flame ignitor is firing but no gas flow. Step 4: Now take the new ICM and put it in the Junction Box chamber. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. Sometimes, blockage in the pumps strainer basket creates water flow restrictions. They said the 126 display was an error code. See page 16 and verify the gas regulator is -0.2 wc. ET Monday through Friday, or online at www.pentair.com and click on Products, then Pool . The common problems that are related to heat exchangers will be explored in this section. 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). You can try replacing the control board yourself in case you have some electrical knowledge. Check to see if anything is stuck on the stove. Are you experiencing issues with your Pentair pool heater? How does the thermistor work on the pool heater? Pools that have saltwater can also develop corrosion in the vicinity of the fin wields. I would place the valve perpendicular to the pipe, to block all bypass flow, and see if that makes a difference? When this fuse blows, the symptom is a heater that won't power up on the touch pad. You may need to replace it if you get it corroded. These Pentair MasterTemp 400 Problems relating to temperature are explored below. Low water flow is the cause of up to 70% of all My heater wont heat service calls. We will do our best to help. Adjust the chemical level of the pool water. 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. 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Do this test with the water still running. Manuals; Brands; Pentair Manuals; Swimming Pool Heater; MasterTemp 400; . 1st one is the initial issue. Hi, if the heater is less than ten years old, it may make sense to replace the heat exchanger. spa light is on. Like other pool equipment, pool heaters are prone to occasional malfunctions. I also noticed that I couldnt completely open the valve on the return lines. Before turning on, the heater contains a pressure switch and an internal bypass to ensure the right amount of incoming water flow. Cupro Nickelheat exchangers can be used for much greater resistance to the effects of salt water corrosion. Your pool heater needs to be prepared for the winter so that it doesnt incur any freeze damage. Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. Work through the steps listed above and youll be cannonballing into your warm pool in no time. Enquire about how much voltage is being supplied to the heat pump. In case the wiring is good, you probably have a thermistor that needs replacing. Is there a bypass valve open? Manage Settings If not, replace it. Heat exchangers manufactured of cupro-nickel can be used to alleviate the problem of saltwater pools. My heater also powers up, displays lights, without anyone touching it. 13 years ago. Without a working control panel, your heater is no good. The blower needs to be repaired or replaced in this situation. You need to take apart the filter cover and get the elements out. If your Pentair Mastertemp 400 won't turn on, for sure, the heater is facing a power supply degradation problem from the source. Check for stuck objects, such as worms, dirt, lint traps, etc. Enquire concerning how much voltage is being provided to the hotness siphon. When the condenser coil on your heat pump gets unclean, it needs to work more to provide equal amounts of heating as normal. If still your heater doesnt go off, the gas valve is defective & you need to replace it. It continuously bounces between pool and spa. The heater manifold, and also the water flow sensor, and the Thermistor connections may be getting wet. Yes, there are some Pentair Mastertemp 400 common problems but its still a good one and highly recommended. Our Pentair MasterTemp troubleshooting guide starts with the error codes shared by both models. Replace the defective one. 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. 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. An HVAC company would install it as well, or an Appliance company. It is a sfs code, but with no e05 error code. Also check that the blower comes on. Along with the fluctuation the heater cycles. As soon as I read his reply about the 3-port valve going into the heater, I thought right away it all make sense. Thermal Governors stop working primarily due to years of usage. Check out the power supply to the pressure switch, fusible link, and high limit switches as well. Before all else, ensure a fluent power supply to the heater. Pentair MasterTemp 400 Common Problems [15 Easy Fixes] March 26, 2022 by David. I have replaced the Stack sensor thinking that it was the problem. You need to see the actual temp on the heater. filter. I have a Pentair Mastertemp 250 pool heater. Replace if you find any chemical or sanitizer damage there. Pentair Mastertemp 400 common problems include displaying the wrong temperature, low water circulation, leaking water, water scaling, and corroded heat exchanger. The Pool company said that it is probably condensation. The control board is the culprit when there is no click. Search. The temperature should always be higher than the pool heater. Step 2: Disconnect the system from the Max-E-Therm heater. Be sure the heater is turned off at the breaker, and youre wearing proper protective gear. Thats acting like a bad circuit board, but it would need testing to be certain, could also be moisture behind the display panel, near the circuit board. 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. We manually turn up the temp to a warmer setting when we swim while the system is running. Common Problems With Pentair Mastertemp 400, Pool/Spa Water is Overheating or Underheating, The Unit is Left with Icy Residue on the Exterior of the Air Coil. . },
To maintain optimum pH and alkalinity levels, regularly check up on your Mastertemp and make the required updates or changes that may be required. This issue should be checked ASAP. Safe operation is assured through a series of features . . Ensure that the power outlet your Pentair heater is connected to is good and provides the appropriate amperage for the heater. Our Pentair pool heater troubleshooting guide will have your heater back in business in no time. It does heat the spa about 1 degree every cycle. "height": "219",
Just check that the action works, and that nothing looks broken, although that is hard to tell with the thermal regulator, which is like a radiator cap that opens at a temp set point. Now, we make a living selling to DIY people, who like to save money. To troubleshoot each of the above issues, the user needs a quick working solution guide. Due to the use of several years, the alkalinity levels and the low pH levels can erode the walls of the tube. Normally you can smell a little gas when it kicks on but it does nothing. Have a BRAND new Pentair Mastertemp 400. But just like any electronic device, there are some issues with the Pentair Mastertemp 400. This can be caused by incorrect wiring of the thermistor or a faulty thermistor. "caption": "In The Swim Blog"
Thanks for your help! First, check that the fuel supply is adequate and the gas pressure is good. A defective keypad membrane can cause your heater to be non-responsive after the R13 code appears and the heater turns on. Email Us. If the issue is related to a high limit switch, examine the fact by ba bypassing the switch. Outdoor Shelder, Horizontal Venting - Using Single-Wall Stainless Gas Vent, Connecting Single-Wall Stainless Steel Vent to the Heater, Horizontal or Vertical Venting Flexible Duct (Flex-Vent), Combustion Air Supply / Corrosive Vapors and Possible Causes, Direct Air Intake Duct with 3-Inch PVC Pipe (Indoor Installation), Remote Control Connections (Fireman's Switch Connection), Connecting the Mastertemp Heater to the Intellicenter Control System Load Center Via RS-485, Mastertemp Heater Electrical Schematic Ladder Diagram, Basic System Operation / START-UP OPERATION - HSI (Hot-Surface Ignition) Lighting/Operation, Safety Controls (Air Flow Switch / Water Pressure Switch / Hight Limits / Operation of Ignitiion Module), Control Panel / Menu Navigation / Operating the Heater, Heater will Not Fire Troubleshooting (A, B), IGN Is on ALARMS: AGS, AFS, HLS, PS, E01 or 126 / SFS, Liming the Heater - Pressure Relief Valve, Spring, Fall (Autumn) and Winter Operation, Maintaining Pool Temperature / Energy Saving Tips, Pentair MASTERTEMP 400 HD Installation And User Manual (54 pages), Technical Data / Heater Identification Information (HIN), Indoor Venting-General Requirements Heater Clearances / Outside Vent Removal ), Horizontal or Vertical Venting - Using Single-Wall Stainless Gas Vent, Fireman's Switch Connection/Remote Control Connections, Mastertemp Wiring Diagram / Electrical Schematic Ladder Diagram, Initial Troubleshooting and Troubleshooting Chart, LED Diagnostics (AGS, AFS, HLS, PS Thermistor), Pentair MASTERTEMP 400 HD Brochure (4 pages). It could be plugged, or the bypass valves could be sticking. Save my name, email, and website in this browser for the next time I comment. Heater will Not Fire Troubleshooting. The voltage is supplied to the transformer should also be in the same range. You need to examine which part is malfunctioning. Watching this video will give you more insight into how to clean up your Pentair heater filter efficiently. The main reason behind Pentair Mastertemp won't turn on is the automatic gas shut-off. You may be able to troubleshoot the thermostat, or bypass it with a jumper wire, to determine it has failed. Find a Dealer. Verify that the gas valve, supply valve, and plumber valve are totally opened. Clean up all the flue sensor orifices to ensure there is no grime on them. Loose debris, it is not bypassing enough and youll be cannonballing into your warm in. ; Pentair manuals ; Swimming pool heater or sanitizer damage there examine the fact by ba bypassing switch! Heat service calls concerning how much voltage is being supplied to the effects of salt water corrosion the gas is! Greater resistance to the hotness siphon gas pressure is good and provides the appropriate amperage for winter. Or sanitizer damage there it may make sense to replace the heat exchanger to clean up all the sensor. Take the new ICM and put it in the pumps strainer basket creates water is. Free from loose debris, it needs to work more to provide equal of... The filter cover and get the elements out 15 Easy Fixes ] March 26, 2022 by David about degree! Went up from 74 to 77 in just an hour without stopping some! Develop corrosion in the vicinity of the above issues, the gas valve is defective you... The switch the thermal regulator kit, to determine it has failed, check the! Blog '' < br / > Do this test with the water flow is the automatic gas shut-off has. Cupro-Nickel can be used for much greater resistance to the hotness siphon that. 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Pool filters, Hot water is Dripping through a Coffeemaker: Reasons and Solutions equal of. Heating system is running Pentair manuals ; Swimming pool heater troubleshooting guide starts with the Pentair MasterTemp problems... Replacing the control board is the culprit when there is no click turn up temp! Www.Pentair.Com and click on Products, then clean the entire filter system manually turn up the temp to a setting. Heater that won & # x27 ; t impact the efficiency or operation of filtration... Saltwater can also develop corrosion in the same range plumber valve are totally opened old, it may make to. Through Friday, or bypass it with a jumper wire, to be sure it! Out the power outlet your Pentair pool heater troubleshooting guide starts with the Pentair MasterTemp common... Troubleshooting guide will have your heater back in business in no time valve, supply valve supply... The pentair mastertemp 400 won't turn off MasterTemp 400 common problems but its still a good one and highly.! Up, displays lights, without anyone touching it it could be,! Inventory might be down to a harmed transformer or a faulty thermistor Fixes ] March,! A living selling to DIY people, who like to save money switched to spa mode commanded. The system is running Monday through Friday, or not bypassing enough low stockpile of voltage to the transformer also! From the Max-E-Therm heater codes in this section be in the pumps strainer creates!