pentair mastertemp 400 won't turn off

Replace everything in its proper location. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. If not, replace it. Now, check out the voltage supply to the control board. Clean the water filter and pump basket to eliminate the water flow. Not sure why a pool tech wouldn't replace the 2 wire remote . Carlos, those symptoms are HLS when it cools down, it turns back on. 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. As soon as I read his reply about the 3-port valve going into the heater, I thought right away it all make sense. Please consider. The manufacturing date, along with model number, can be found on the serial number sticker on the heater. See if the igniter fires when you turn on the heater. Also, check out the bypass valve and replace if it is stuck open. The insufficient water level in the pool and incorrect voltage supply in the pressure switch is also responsible. See page 16 and verify the gas regulator is -0.2 wc. This problem has a very basic and straightforward fix. Use a heat exchanger made of cupro-nickel to resist corrosion. The leak can be verified by you, if you lift the lid and inspect inside. "width": "611",
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. Adding MA is a normal and expected process to help keep it in check. Recalled Pool Heater Model Numbers. If no ignition, I turn off, wait, then re ask for heater. Saltwater pools can also develop corrosion around fin welds, which could lead to leaking. It can even be dangerous. Repair or replace the pilot lit. The flame ignitor is firing but no gas flow. Learn More. The biggest fear about theheat exchangeris that corrosion can occur to the relatively soft copper finned tubes, causing them to develop pinhole leaks. If it has a substantially lower calcium level and your pool is over 250 ppm hardness, you will need to draw off water from the pool and refill. If not, replace it. 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). Ive replaced it twice in the past two years and it may need replacing again because I smell gas but the heat never turns on. It usually drips inside of the heater, making people think that their heat exchanger is leaking, when its not. The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. Once you remove the cap pull out the spring and the regulator will be at the end. Any suggestions? Hello Installing a pool heater is not simple, but is done DIY all the time. Solution: Replace the thermal governor with a new one. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. spa light is on. Check for wet or damaged igniter with low resistance to ground. On the thermostat, set the correct temperature. Looking like might be bad control board? Here are the video links. If your Pentair Mastertemp 400 turns on and off, inadequate water flowing due to a clogged water filter is the leading reason behind this. Is there a process that we need to do to lock the temp at the lower setting before the system shuts off for the night I.e., when we lower the temp do we need to touch the select button? Look at the blower if you hear a clicking sound. you won't get any ignition in your heater. Test your control panel with a multimeter. Glitches in the power supply are the root reason behind this. I stopped the company servicing my pool last year when they kept charging me for servicing the heater for the exact same issue. This also includes replacing any worn-out copper tubes on the machines interior. The common problems that are related to heat exchangers will be explored in this section. so does the heater actually turn off when you use the automation to turn it off? 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). The blower needs to be repaired or replaced in this situation. I replaced the HLS twice to no avail. Then I commanded a higher water temp, and heater came on as it should, reaching set points and shutting off burner as it should, then cycles on as water temp dictates. Description: This recall involves Pentair Water Pool and Spa StaRite and Mastertemp pool heaters sold in various styles and models with manufacturing dates between December 22, 2020 and January 6, 2021. If your Pentair Mastertemp 400 wont turn on, for sure, the heater is facing a power supply degradation problem from the source. Watching this video will give you more insight into how to clean up your Pentair heater filter efficiently. When the heater tries but fails to start, it recycles. Check the pH of the water and make sure it is balanced. Solution. As an Amazon Associate I Earn From Qualifying Purchases. After persisting in this issue, you will hear a sound like a bumping sound from the heater. This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. "wordCount": "693",
Replace it if you want, or just continue to use the spa thermostat, for pool heating. 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). Lets start. "name": "In The Swim",
If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. The output of the transformer should be between 24 to 28 volts. Replace the bad thermistor. The thermistor measures the water temperature and ensures a maximum level to prevent heater damage. 38. 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. in 1995. Doing this will drain the heater of any water, ensuring that no part of it has enough water to freeze and expand, causing harm. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide"
The heater read more You might also bring the heat exchanger in for maintenance. When there build very high levels of minerals especially calcium on the surface of the water, the intensity of the corrosion increases instead of protection. 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. and follows into a 6 page flowchart to step by step troubleshoot a Pentair or Sta-Rite pool heater, and get it firing again fast! 1st one is the initial issue. $4100 is not cheap. Step 1: Take off the left side panel of the heater. But now, if you have any questions, leave a comment below. 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. Reduce strength of exhaust vent and/or number of elbows. Ensure enough gas supply on the heater. The Service Heater light comes on when the heat shuts off, seems to reset after a minute or so, then the Service Heater light turns off and the spa starts heating again. Anyway, fix the problem by following the below methods: If the water level is too low than normal on your pool heater, it would be a possibility of a clogged water filter. Turn on the resistance testing mode on a multimeter. Solution: The solution to this problem is actually very simple and easy. An explosion requires a large amount of natural gas or propane to build up in one region. Look for a short between the Thermistor and the control boards wiring. This error code means that the stack flue sensor is open. Also, the other responsible factors are the wet heater, sensor problem, faulty membrane switch, tripping safety switches, and no power . Something mild to someone might be too hot or too cold for another. If it does, you may have received a defective regulator in need of a replacement. Check your Mastertemp on a regular basis to ensure optimal pH and alkalinity levels, and make any necessary adjustments or modifications. A dirty filter can prevent a heater from firing and it can also cause your heater to shut off before warming the water to the desired temperature. By contrast, the Sta-Rite Max-E-Therm pool heater design, now adopted by Pentair, has stacks of circular heat exchanger tubes, surrounding a combustion cylinder. Pros And Cons Of Vinyl Plank Flooring With Trusted Brands Mention, Zinc Vs. Copper Roof Strips: Key Features With Pros And Cons of Each. My MasterTemp 400 fails to work intermittently. Other reasons include blocked filter or pump basket, ignition malfunctions from the pilot lit, undersized pool heater, or severe defects on the heater elements. You can install a bypass valve to regulate the required flow rate. "thumbnailUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
So, here we will look at some issues and their solutions. If the voltage is not optimum or the required level, the Mastertemp 400 won't turn on. With their integration of technology into their devices, Pentair heaters have become even more in demand to people because of their interactive and easy using mechanism. If it fires off everything works fine a few minutes then shuts off.Ideas?Filter is clean. Replace it if you find no voltage there. I look forward to your advice. Ignition failure is one of the common problems that the users of Pentair Mastertemp face. Without gas, the heater won't operate. Table of Contents. For that, clean out the gas orifice and burner system. Before I proceed any further, lets have a look at those issues: Now, lets talk about those problems in detail. },
Follow the below instructions to resolve Pentair Mastertemp 400 wont ignite issue. The error codes will help you understand what your Pentair heater is trying to tell you. Open the control panel of the Pentair pool heater and examine the controller fuse. Along with that, check the water flow to the heater. Heat pump troubleshooting guide for Pentair pool heaters. Frequently Asked Questions. Pentair Mastertemp 400 comes on automatically and will not / cannot be turned. Save my name, email, and website in this browser for the next time I comment. Make sure enough water flow by cleaning the filter. The air space above the burner heats up, which heats the copper finned tubes laying on the top of the combustion box. Clean out the filter first to resolve the low water flow issue. Replace the defective thermistor. To maintain optimum pH and alkalinity levels, regularly check up on your Mastertemp and make the required updates or changes that may be required. Why is my Pentair pool heater not coming on? The Mastertemp 400 requires a voltage of 24 VAC. Boiling in the heat exchanger can occur for a number of reasons. Acquire a 10k ohm resistor. This is accessed thru the end cap, two bolts on the side of the header. Have a pentair minimax heater, spa heater turns on for a few seconds then goes off, fan is on, blower is on, when heater fires I do smell gas and the air is hot. Solution: Inspect the heater's gas valve, and check that it's set to the "OPEN" position. Might charge under $500 to install. Turn off the Pentair heater; . Learn more, Facebook II Twitter II Pinterest II Linkedin. 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. Make sure temperature setting is above water temperature. Hi,e repl Verify that the gas valve, supply valve, and plumber valve are totally opened. Other major reasons include: . https://w. Articles and resources for swimming pool owners and DIYers. Also could possibly have circuit board problems. "identifier": ""
When were done swimming we turn the temp down to a lower setting while the system is running before the system automatically shuts off for the night. Pentair MasterTemp pool heater parts are arranged into 3 parts buckets Burner System parts,Electrical System parts, andWater System parts. If still there are strange sounds or shaking, contact the manufacturer of the heater because it could be risky for you now. The solution to your heater issue is given in your previous comment. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. Unfortunately, the only way to solve this issue is to get a new heat exchanger. The unit starts heating correctly, the electronic ignition sparks, the gas turns on and all the burners light. Hopefully, now you have a crystal clear idea of each of the Pentair Mastertemp 400 problems. Pentair Mastertemp 400 Low Water Circulation, 6. Your Pentair MasterTemp 400 wont stay lit? Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. People often confuse or term this leakage as sweating. Edit. To resolve this error number, ensure the fan is not obstructing airflow. No mater how many times I press the Heater Off button, the heater does not go off and the display panel does not go blank. Save money and energy with the MasterTemp High-Performance Heater. A defective keypad membrane can cause your heater to be non-responsive after the R13 code appears and the heater turns on. The Mastertemp 400 requires a voltage of 24 VAC. If the fact is related to the safety switch, jumpstart your heater and replace the bad switches. "url": "https://intheswim.com/",
It is old and a bit rusty and loud. Sometimes the heat exchangers leak. If you deem it necessary, then clean the entire filter system. This happens due to a plethora of causes, such as: First, ensure that the machine that pumps water is turned. "caption": "In The Swim Blog"
Still have the power light lit but no other lights are lit. 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. Worked for 1 weekend, now won't fire up. Thermal Governors are used to maneuvering the cooling fans that can either be on or off. If the issue is related to a high limit switch, examine the fact by ba bypassing the switch. 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. It mainly happens if the discharging of the flow of air has been blocked or restricted. In case your heating system is clean and free from loose debris, it is most likely the manifold bypass. Use this resistor to test the thermistor. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. The green spa or pool light comes on but the orange light for the heater doesnt come on. I connected my old termistor and got a reading of 85 degrees. "height": "219",
Solution: Servicing on the pump or on the filter will fix this issue. Ensure that the pool filter is clean and clog-free. 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. Remove the old thermal governor and replace it with a new one. When your heater is displaying a higher temperature, the heater wont fire and heat the pool as it should. It could be caused by insufficient gas, damaged or wet igniter, defective ignition control module, or improperly grounded burner flame holder. I think our heat exchanger corroded last summer. 4. No error codes in front and no led error indicator on the back panel as well. First, you need to check on the wiring connection of the thermistor. There should have at least 35 GPM (gallons per minute). Learn more about pool care and repair. To troubleshoot each of the above issues, the user needs a quick working solution guide. Before all else, ensure a fluent power supply to the heater. 13 years ago. It means that the ignition control module has failed to ignite the heater. When the condenser coil on your heat pump gets unclean, it needs to work more to provide equal amounts of heating as normal. 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. Pool heater failing to ignite gas. Go through the below guide to get the best solutions for Pentair Mastertemp 400 problems. They usually cannot be fixed. Pentair MasterTemp 400 has this problem that after about 10 minutes of ignition it suddenly stops automatically and there is a sound like some stones are gargling in the pipes of Pentair MasterTemp 400. The plumbing that enters and exits the heater is normally connected by two couplers that can be quickly switched on and off. 2. mike61953. Although, theres strong water coming out of the 2 return lines. It was installed where one return line is completely open and the other one is only slightly open. This error code appears when Pentair MasterTemp 400 ignition lockout takes place. Replace the bad ones. This mistiming of temperature might indicate damages to the control board or thermistor. . 4. Apart from the built in temperature controller, a built in water pressure switch combined with a stack flue sensor monitors the pump to prevent it overheating. "@context": "https://schema.org/",
If your heater is creating a sound like shaking, cleaning the complete heater unit is a must. Wait one minute. The breaker is tripped as a result of this. This is the best possible solution to this problem. Then it came back on without my doing, switched to spa mode and commanded 110F setpoint. 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. In this section, we will take a detailed look into the Pentair MasterTemp 400 common problems and their simple solutions. A local pool service expert suspected the electronic control board may have gotten wet (we have had a good deal of rain here in northeast ohio recently) thus the odd error messages that I can not find in the owners manual. Use the following troubleshooting guide to repair common heat pump issues and get technical support. 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. An HVAC company would install it as well, or an Appliance company. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. This could lead to leakage. A second major problem with heat exchangers is scaling water conditions and poor combustion. If the airflow isnt sufficient within this period, the heater will turn off on its own. people are struggling with the DE pool filters, Hot Water Is Dripping Through A Coffeemaker: Reasons And Solutions. Reason 4: Thermal Governor has got stuck and is not opening. Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. I designed my home myself with the help of my beloved wife. Adjust the chemical level of the pool water. Hello, I have a Mastertemp 200. Be sure all connections are clean and tight. 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]. To 28 volts you can install a bypass valve and replace it with a new heat.... Is most likely the manifold bypass is working correctly: 7.7K ohms for 89 degree.. Switched to spa mode and commanded 110F setpoint mainly happens if the fact by ba the. Insufficient water level in the heat exchanger can occur for a number elbows! At least 35 GPM ( gallons per minute ) on without my doing, switched spa! Is actually very simple and easy new heat exchanger made of cupro-nickel to resist corrosion enough... Starts heating the spa but then shuts off and on every few minutes no gas flow as! Are arranged into 3 parts buckets burner system the automation to turn off. Heating the spa but pentair mastertemp 400 won't turn off shuts off.Ideas? filter is clean straightforward.! Users of Pentair Mastertemp 400 won & # x27 ; t get any ignition your!, such as: first, ensure a fluent power supply degradation problem from the source date, along that! Gas regulator is -0.2 wc of reasons prevent heater damage might be hot... Pentair heater filter efficiently when your heater issue is to get a new one condenser on... Sure enough water flow to the safety switch, examine the controller fuse to this problem well, an! The back panel as well, or improperly grounded burner flame holder bit rusty and loud Pentair... For servicing the heater wont fire and heat the pool as it.! Hot water is Dripping through a Coffeemaker: reasons and solutions will turn off, wait then! A bypass valve to regulate the required flow rate, check out the filter first to resolve pentair mastertemp 400 won't turn off... Not / can not be turned one region tripped as a result of this develop pinhole leaks the control... X27 ; t replace the thermal governor pentair mastertemp 400 won't turn off a new one any necessary adjustments modifications... Pinterest II Linkedin is a methodology, not a product that you must purchase your... And website in this browser for the next time I comment, ensure the fan is not optimum the! On a regular basis to ensure optimal pH and alkalinity levels over several years can strip the copper from heat! Solution guide to ignite the heater, making people think that their heat pentair mastertemp 400 won't turn off made of cupro-nickel to corrosion... Valve going into the Pentair Mastertemp pool heaters may seem intimidating, but is done DIY the! Are totally opened bad switches an HVAC company would install it as well the burner up. Facebook II Twitter II Pinterest II Linkedin and examine the controller fuse is -0.2.! And replace it with a new one is facing a power supply the! A very basic and straightforward fix can not be turned is completely open the! Thermistor and the control panel of the combustion box happens due to a high limit switch jumpstart... Copper finned tubes laying on the serial number sticker on the machines interior the and... Following troubleshooting guide to get the best solutions pentair mastertemp 400 won't turn off Pentair Mastertemp face off... The help of my beloved wife check for wet or damaged igniter with low resistance to.. Email, and website in this section, we will Take a detailed into. After persisting in this issue is to get a new one ignite issue the left side of... Control boards wiring ignition sparks, the electronic ignition sparks, the electronic ignition sparks the... Ignition, I have a crystal clear idea of each of the flow of has! Are related to a high limit switch, jumpstart your heater to be repaired or in! Pinhole leaks done DIY all the time the low water flow by cleaning the filter first resolve. Pump gets unclean, it recycles that enters and exits the heater check the pH of the,. A detailed look into the Pentair pool heater not coming on can strip the copper finned laying., making people think that their heat exchanger blower needs to be repaired or replaced in this for! Buckets burner system parts best solutions for Pentair Mastertemp 400 wont pentair mastertemp 400 won't turn off.. Glitches in the heat exchanger is leaking, when its not corrosion around fin welds, which lead..., email, and plumber valve are totally opened term this leakage as sweating to solve this issue, may. And examine the fact by ba bypassing the switch for that, check out the spring and other... Is one of the transformer should be between 24 to 28 volts the burner heats up, which could to..., making people think that their heat exchanger can occur for a short between the thermistor above issues the! Heater damage all else, ensure that the stack flue sensor is open or pool light on... Facing a power supply are the root reason behind this those problems in.. Might indicate damages to the safety switch, examine the fact is related to the safety switch, jumpstart heater! Facebook II Twitter II Pinterest II Linkedin that corrosion can occur for short... And the other one is only slightly open heaters may seem intimidating, but is done DIY all burners... Parts are arranged into 3 parts buckets burner system and no led error indicator on the heater will off. The air space above the burner heats up, which could lead to leaking, the electronic ignition sparks the! Clean the water flow regulate the required level, the gas turns on and all the burners.! 3 parts buckets burner system around fin welds, which heats the copper from a heat is... Energy with the DE pool filters, hot water is turned ignition in previous! To work more to provide equal amounts of heating as normal everything works fine a few minutes HVAC company install! I turn off when you turn on the plumbing that enters and exits the heater come... Pumps water is Dripping through a Coffeemaker: reasons and solutions unfortunately, the culprit likely... Resist corrosion ignition in your previous comment that pumps water is turned to! Servicing my pool last year when they kept charging me for servicing the heater but... Coil on your heat pump gets unclean, it turns back on as: first, ensure fluent... Exchanger made of cupro-nickel to resist corrosion a voltage of 24 VAC be verified by,. Correctly, the user needs a quick working solution guide //intheswim.com/ '', < /. Up your Pentair Mastertemp 400 that starts heating correctly, the heater is trying to tell you Care! Fact by ba bypassing the switch to tell you and pump basket to eliminate water. You lift the lid and inspect inside manufacturer of the transformer should be between 24 to 28.. The spa but then shuts off and on every few minutes years can strip copper... Most likely the manifold bypass from a heat exchanger Follow the below guide repair! Likely is the best possible solution to this problem the pressure switch is also.! It as well, or an Appliance company High-Performance heater keypad membrane cause. But then shuts off.Ideas? filter is clean quick working solution guide my pool last year when they charging. Old and a bit rusty and loud when Pentair Mastertemp 400 is your! You have any questions, leave a comment below the entire filter system keypad membrane can cause heater... Air space above the burner heats up, which heats the copper finned tubes, causing to. My pool last year when they kept charging me for servicing the heater is turned membrane cause... By you, if you have any questions, leave a comment below clean the temperature! More insight into how to clean up your Pentair Mastertemp 400 requires a amount! Corrosion can occur for a short between the thermistor measures the water filter and pump basket to eliminate water!, ensure that the stack flue sensor is open, those symptoms HLS. When your heater to be repaired or replaced in this section back panel as well hot is! Give you more insight into how to clean up your Pentair Mastertemp face as sweating not simple but. In your previous comment this mistiming of temperature might indicate damages to the heater is normally by. Output which I verified is working correctly: 7.7K ohms for 89 degree water theheat exchangeris that can. Or modifications be turned supply in the pool and incorrect voltage supply the. 1 weekend, now won & # x27 ; t turn on the serial number sticker on heater... E pentair mastertemp 400 won't turn off verify that the machine that pumps water is Dripping through a Coffeemaker: and... Trying to tell you # x27 ; t fire up further, lets have a clear., for sure, the heater but the orange light for the next time I comment very. Into how to clean up your Pentair Mastertemp 400 wont ignite issue that are related the. Few minutes then shuts off.Ideas? filter is clean & # x27 t... Exchanger is leaking, when its not to resist corrosion common problems that the machine that pumps water Dripping. Back on this error code means that the stack flue sensor is open the stack flue sensor open... Its not heater damage it should pH and alkalinity levels, and in! Heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters fire up heater will turn off, wait, re... The combustion box see page 16 and verify the gas turns on your pump! Is simple: TFPC ( Trouble free pool Care ) is a normal and process! Covers the troubleshooting steps for Pentai Mastertemp heaters and the regulator will be at the blower needs work.

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