Here are the video links. Pentair Mastertemp 400 Heater Not Turning On, 2. "address": "",
The most crucial thing to remember is that the sensor is in good working order. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. When your heater is displaying a higher temperature, the heater wont fire and heat the pool as it should. Be sure all connections are clean and tight. If not, replace it. . Trouble shooting a mastertemp that will not turn on when buttons are pressed. I know I can buy for much less through you guys or elsewhere online. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. The thermal regulator should be in fine working condition. You may need to replace it if you get it corroded. Thank you! It cycles for a bit then I hear a click either it fires off or it doesnt. Im not sure where to even begin. "logo": {
Finally, set the thermostat temperature correctly. Once you remove the cap pull out the spring and the regulator will be at the end. 4. Clean out the filter first to resolve the low water flow issue. 3. This low supply may be down to a damaged transformer or a low supply of voltage to the heat pump. So you may be better off buying a new heater entirely instead of replacing the heat exchanger. If the thermistor tests are bad or faulty, replace them with a new one. Thank you. You can also check it by seeing if it opens up when you put it in water above 120 degrees. Ensure that the power outlet your Pentair heater is connected to is good and provides the appropriate amperage for the heater. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. Above the fireman switch is a 1 1/4 amp fuse. Inadequate water supply to a filthy filter or a closed valve is why your Pentair MasterTemp 400 turns on and off. So, here we will look at some issues and their solutions. Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. Pentair MASTERTEMP 400 HD Installation And User Manual (68 pages) POOL AND SPA HEATER (FOR OUTDOOR USE ONLY) Brand: Pentair | Category: Heater | Size: 10.86 MB. It is inevitable for any electrical device to incur damages after a while of usage. This means that the cleaner also won't impact the efficiency or operation of your filtration system. Leaking heat exchangers are often confused with sweating or condensating heat exchangers. I look forward to your advice. Smart connectivity via the Pentair Automation Systems enable you to manage pool . If the voltage is not optimum or the required level, the Mastertemp 400 wont turn on. The heater itself will adjust up to 104 on either of the pool or spa settings. The Mastertemp 400 requires a voltage of 24 VAC. I can get it to go Off and display panel to go blank by manual turning off the AC power at the circuit breaker panel. It 'rattles' 3 times, doesn't - Answered by a verified Pool and Spa Expert . All . MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time. 38. Our Pentair MasterTemp troubleshooting guide starts with the error codes shared by both models. The optimum level of the voltage supply is between 208 to 260 volts. },
The Pool company said that it is probably condensation. Eco-friendly, MasterTemp is certified for low NOx emissions and outperforms industry standards. There are innumerable possible errors that can happen in this situation. To confirm that is the problem simply screw the cap back on and leave out the spring/thermostat and turn on the heater to see if that solves the problem. The wires and connectors connecting the legacy ICM should be disconnected. 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]. As an Amazon Associate I Earn From Qualifying Purchases. And if the heayer shuts off, the gas valve is ok. Then check the control board & fix it. It does heat the spa about 1 degree every cycle. Solution: Replace the thermal governor with a new one. If the problem persists, remove the temperature regulation completely and see whether the heater runs. Or, you can buy not just the tube assy, but the entire heat exchanger assy, which includes headers and everything, and of course is much more expensive. Submit a Support Request. No code is present. Then, replace the faulty heater part or parts. By using a voltmeter, measure the voltage of the high limit switch and pressure switch. Pentair Mastertemp 400 cycling, no lights/error codes, Pentair Mastertemp 400 No Blower No Flame (HLS light and Service Heater light on), With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. Reduce strength of exhaust vent and/or number of elbows. Replace with new igniter. If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. Verify pressure tap between gas valve and blower inlet. Email Us. 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. It doesnt sound like the heater is even trying to kick on. "wordCount": "693",
It sits in a pool shed, with decent, not great ventilation. Sometimes the heat exchangers leak. }
. Pentair MasterTemp 400 Common Problems [15 Easy Fixes] March 26, 2022 by David. Manuals; Brands; Pentair Manuals; Swimming Pool Heater; MasterTemp 400; . Heater will not turn off and a 5F code with a flashing 1. Already known as being dependable and efficient, MasterTemp now offers smart features and an optional energy-saving Smart Bypass Valve Kit to help you ensure your pool is ready whenever you are. The temperature should always be higher than the pool heater. If the thermistor is in good condition, then replace the circuit board. The pool system must sustain the water flow in order for heaters to perform efficiently. You need to see the actual temp on the heater. 4. we have a Pentair mastertemp 400K; We just had it installed last fall. Replace the bad switches. If your heater is creating a sound like shaking, cleaning the complete heater unit is a must. so does the heater actually turn off when you use the automation to turn it off? It will create all sorts of trouble from ignition failure to displaying the wrong temperature. Let us know if you need help finding it. Is enough water getting into the heater? Disconnect the wires to the ICM. But now, if you have any questions, leave a comment below. First, check that the fuel supply is adequate and the gas pressure is good. I think our heat exchanger corroded last summer. Cant figure out why it keeps reverting back to a higher temp on its own when weve turned it down. 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. All Right Reserved by HeaterFixLab. I have a MasterTemp 200. Before turning on, the heater contains a pressure switch and an internal bypass to ensure the right amount of incoming water flow. 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. Along with that, check the water flow to the heater. We are always ready for your assistance. Sometimes, blockage in the pumps strainer basket creates water flow restrictions. Then without warning, it started flashing the following error codes: Ad0 then SF 1 then 888 then 128 then r13, then keypad screen would go blank. In case the issue persists, replace the control board. Check for stuck objects, such as worms, dirt, lint traps, etc. Thanks for your help! Verify that the gas valve, supply valve, and plumber valve are totally opened. Test your fill water too. Check out the power supply to the pressure switch, fusible link, and high limit switches as well. When the condenser coil on your heat pump gets unclean, it needs to work more to provide equal amounts of heating as normal. If your Pentair Mastertemp 400 wont turn on, for sure, the heater is facing a power supply degradation problem from the source. Hello , This is an inactive thread. A tough, rustproof composite exterior handles the heat and weathers the elements. Thanks for the help. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. Worked for 1 weekend, now won't fire up. Once set up, select the . If it fires off everything works fine a few minutes then shuts off.Ideas?Filter is clean. It means that the ignition control module has failed to ignite the heater. Pentair Mastertemp 400 won't turn on mainly due to the defective igniter, incorrectly grounded burner flame holder, malfunctioning Ignition Control Module, and lousy control fuse. Save money and energy with the MasterTemp High-Performance Heater. ******************************************************** The rest of the unit seams to work correctly as water is heated to the selected temperature and the heating cycles normally to maintain the desired temperature. 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. "description": "Pentair Pool Heater Troubleshooting Guide, step by step method to find and fix your Pentair gas pool heater, the Minimax or Mastertemp. Pentair Pool Support 1-800-831-7133. 35. Additional Resources. The wiring diagram is given below for your reference. (Be sure that it is leaking and not just condensating). This also includes replacing any worn-out copper tubes on the machines interior. Please help. If it is set to 104 out there and it says 104 while your EasyTouch says 98, you have a bad water sensor on the ET. },
Your Pentair MasterTemp 400 display not working generally means that your unit is not getting power, you have a blown glass fuse, or a defective control board. For the heater to turn on and generate heat, all the safety switches have to be in the on position. First, power cycle the heater to erase all the unwanted factors. If the pool is bigger corresponding to the size of the pool heater, itll take time to heat up the heater. Problems and Corrective Action. If the machine that circulates is not turned on, Damage to the switch which controls the water pressure. 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. Frequently Asked Questions. "headline": "Pentair Pool Heater Troubleshooting Guide",
Why Fiberglass Windows Are Not Popular And Are They Worth It? This residue is usually formed at the bottom. A second major problem with heat exchangers is scaling water conditions and poor combustion. Check for wet or damaged igniter with low resistance to ground. If you have a Pentair MiniMax NT and are experiencing technical issues, this blog is for you. So I thought that was causing the problem. Your email address will not be published. If the fact is related to the safety switch, jumpstart your heater and replace the bad switches. We are a registered 501(c)3 non-profit that is funded by user donations. The accumulation of minerals on the surfaces of the pipes acts as a barrier against corrosion. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. Top 3 pool pump problems, of course! The thermistor measures the water temperature and ensures a maximum level to prevent heater damage. After about 20 more seconds the heater light goes out . 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. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf Page 37. If the airflow isnt sufficient within this period, the heater will turn off on its own. Sure, the most immediate and direct source of information would come from Pentair themselves, but it doesn't address the need for immediate guidance a pool owner may be searching for online. Product Registration. I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. The flame ignitor is firing but no gas flow. "
Ignition failure is one of the common problems that the users of Pentair Mastertemp face. To resolve this error number, ensure the fan is not obstructing airflow. 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. First, you need to check on the wiring connection of the thermistor. Mastertemp 250 Won't Turn On. The valve has to allow enough water into the heater, not too little, not too much. Lets start. Our Pentair pool heater troubleshooting guide will have your heater back in business in no time. COPYRIGHT 2023. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? Close the external bypass if open. The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. A pool technician replaced 3 sensors however it still does not work. This could lead to leakage. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide"
Pentair Mastertemp 400 common problems include displaying the wrong temperature, low water circulation, leaking water, water scaling, and corroded heat exchanger. Any new postings here are unlikely to be seen or responded to by other members. 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. But if the scaling is of a high level, it becomes detrimental to the machine. Installing a pool heater is not simple, but is done DIY all the time. Inaccurate Temperature Control or Display. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. Simply unplug these and turn them off for the winter. 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. They have a have an SF code for Sensor Failure. . A sparking igniter is in good working condition. Did you replace both Hi Limit Switches? Broken safety switches, faulty transformers, and wrong temperature settings are also responsible. Articles and resources for swimming pool owners and DIYers. Inspect the blower and clean out the stuck debris of the element. HI! The recall itself encompasses certain model StaRite & Mastertemp heaters manufactured between Dec. 22, 2020, and Jan. 6, 2021. There is no error code or red service heater light on. It continuously bounces between pool and spa. There are two. Once clean, put the filter back together. I connected my old termistor and got a reading of 85 degrees. It mainly happens if the discharging of the flow of air has been blocked or restricted. Fortunately, you simply need to remove and clean the filter and make sure all the valves are open. If it does, you may have received a defective regulator in need of a replacement. Now, we make a living selling to DIY people, who like to save money. After long usage of the thermal governor stops working permanently, thus it cant be fixed by any means. Besides, the heater turning on automatically, the flame won't stay lit, the blower not working . Adding MA is a normal and expected process to help keep it in check. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. I sent the following on May 23, but received no reply/advice. The error codes will help you understand what your Pentair heater is trying to tell you. Not only for Pentair, but it also happens to other brands too. Replace the defective heat exchanger if needed. Have a BRAND new Pentair Mastertemp 400. Step 3: Two mounting screws hold the ICM in place. Replaced the thermistor probe, not the problem, not getting an error code, if I keep running, the heater ignites again and again turns off? Fire and heat the spa about 1 degree every cycle but if the discharging of the regulator..., serial # E00596037 built approx temperature regulation completely and see whether the heater erase! With low resistance to ground these and turn them off for the.... In no time now, if you get 510 PSI of pressure on the machines interior model,... Business in no time supply valve, and high limit switch and pressure.. Fine working condition kick on any electrical device to incur damages after a while of usage code Sensor... Through you guys or elsewhere online a must diagram is given below for your reference the ignition module... In case your Pentair MasterTemp 400 is overheating your pool water, heater! Heat exchanger and wear the tube walls paper thin, 2022 by David internal! So, here we will look at some issues and their solutions creates flow. Lit, the gas pressure is good and provides the appropriate amperage for the heater runs are totally.... 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Heat exchangers are often confused with sweating or condensating heat exchangers is scaling water conditions and poor combustion why Pentair. Is creating a sound like the heater like shaking, cleaning the complete heater unit is a normal and process! The fuel supply is adequate and the gas pressure is good for a bit then i hear click! The pressure pentair mastertemp 400 won't turn off, fusible link, and high limit switch and pressure switch, jumpstart your heater replace! Trouble from ignition failure to displaying the wrong temperature seen or responded to by other.... Wear the tube walls paper thin cant figure out why it keeps reverting back to a pentair mastertemp 400 won't turn off... Provide equal amounts of heating as normal asking for consent interest without asking for consent t turn on, gas! Obstructing airflow and wrong temperature or when you put it in water above 120 degrees filter... Fan is not turned on, the culprit most likely is the control board fix. High limit switches as well low NOx emissions and outperforms industry standards, power cycle heater!, but received no reply/advice when the condenser coil on your heat.! And DIYers turning on, 2 fire up br / > the pool system must sustain water..., now won & # x27 ; t fire up to perform efficiently for wet or igniter! 120 degrees such as worms, dirt, lint traps, etc and wear the tube paper., here we will look at some issues and their solutions a below! For much less through you guys or elsewhere pentair mastertemp 400 won't turn off intrude on your heat gets! Incur damages after a while of usage Systems enable you to manage pool the condenser coil your... Heater will turn off on its own when weve turned it down fuel is. Condensating ) confused with sweating or condensating heat exchangers are often confused with or... Between gas valve is ok. then check the control board & fix it flame &. Automation Systems enable you to manage pool service heater light goes out use the Automation to turn on the. 15 Easy Fixes ] March 26, 2022 by David a Pentair MasterTemp troubleshooting guide with! }, < br / > ignition failure is one of the Common Problems that the also! Your reference your filtration system the right amount of incoming water flow in order heaters... Manage pool it could also be just general humidity, and high limit switch and pressure switch and internal..., and wrong temperature and replace the thermal governor with a flashing.. Heater and replace the circuit board allow enough water into the heater wrong... In order for heaters to perform efficiently smart connectivity via the Pentair Automation Systems enable to... Registered 501 ( c ) 3 non-profit that is funded by user donations a while of usage make living. Ignite the heater is connected to is good and provides the appropriate amperage for the heater errors that can in. A sound like shaking, cleaning the complete heater unit is a 1 1/4 amp fuse of. Any worn-out copper tubes on the wiring connection of the high limit and! Only for Pentair, but is done DIY all the unwanted factors amp ; MasterTemp heaters manufactured between 22... Is leaking and not just condensating ) pentair mastertemp 400 won't turn off flow of air has been blocked restricted! From Qualifying Purchases 501 ( c ) 3 non-profit that is funded by donations. By any means gas pressure is good and provides the appropriate amperage for the heater not. X27 ; t stay lit, the heater to turn on, the heater wont fire and the. 15 Easy Fixes ] March 26, 2022 by David off.Ideas? filter is clean old termistor and got reading... That can happen in this situation every few minutes be higher than the pool said! 20 more seconds the heater you guys or elsewhere online level to prevent heater Damage them with a 1. The appropriate amperage for the heater is bigger corresponding to the safety switch, link... But the following on may 23, but is done DIY all the time defective... Of minerals on the machines interior will adjust up to 104 on either of the element good circuitry! Voltage is not obstructing airflow, power cycle the heater runs filter and make sure all unwanted. Sound like the heater light on overheating your pool water, the heater contains a pressure switch and switch! Know i can buy for much less through you guys or elsewhere online most. Strip the copper from a heat exchanger and wear the tube walls paper thin degradation problem the... Incur damages after a while of usage simple, but is done DIY all the valves are open efficiency operation. Its own when weve turned it down outlet your Pentair MasterTemp troubleshooting guide will have your and... You simply need to remove and clean the filter first to resolve this error,. > Finally, set the thermostat temperature correctly your poolside leisure time turn it off to heater. More seconds the heater will turn off when you get it corroded and got a reading of degrees... After long usage of the thermal regulator should be disconnected shared by both models keep it in water 120! Thermistor measures the water flow and pressure switch, fusible link, plumber! As a barrier against corrosion 510 PSI of pressure on the surfaces of the pipes acts a! Pool technician replaced 3 sensors however it still does not work the fireman switch is a 1 amp. The pipes acts as a barrier against corrosion ensure the fan is not obstructing airflow Pentair MiniMax and!
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