Troubleshooting Guide For Pentair Pool Heat Pumps Pentair Technical Support: 800-831-7133 WARNING RISK OF ELECTRICAL SHOCK OR ELECTROCUTION. So I thought that was causing the problem. Pentair MasterTemp Pool Heater 400,000 BTU 461021 - ASME HD Cupro-Nickel Pentair MasterTemp Low Nox Heater 400,000 BTU Natural Gas 461021 ASME with cupro-nickel heat exchanger. 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. I just never thought something was wrong with it because the company servicing my pool and heater had it setup like that. I don’t see my trouble addressed. Dirty or worn filters or clogged lint traps. Shut off air blower and or Venturi inlets that allow air turbulence in the spa. Normally you can smell a little gas when it kicks on but it does nothing. Can you give some thought? Corrective Action: Supply voltage to the transformer should be between 208 and 260. volts. I called Pentair tech support and they helped with some troubleshooting. West: 213-291-9276Southwest: 480-719-4511 Midwest: 312-229-0026 Northeast: 631-223-7175 Southeast: 954-866-1644. Here are the video links. CAUTION: High Voltage Checks. Discharge air is accumulating and being drawn back through the outer air coil. Some Common Faults We See (This doesn't mean they are manufacturing faults): Failed AGS Sensor; Failed HLS Sensor; Failed SFS Sensor It also could be a bad pressure switch, or switch out of adjustment, some have a small screw that can be turned to reduce/increase psi. James from TFP noticed something wrong with the 3-way valve into the my heater. Still have the power light lit but no other lights are lit. Check resistance of switch with a full charge, if open, replace switch. Brand: Pentair | Category: Heater | Size: 6.25 MB Table of Contents. WARNING  RISK OF ELECTRICAL SHOCK OR ELECTROCUTION. Hi Davy – I live in Maine, so very short pool season. Thoughts? Thanks for the help. Adjust Plumbing valves. The biggest fear about the heat exchanger is that corrosion can occur to the relatively soft copper finned tubes, causing them to develop pinhole leaks. Very low pH and alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. Control Board Failure. 1. Hello, I have a Mastertemp 200. Suction leak allowing air into the water flow. If bad, replace thermistor. Pentair Pool Heater Parts From Pentair Minimax 100 parts to Powermax heater exchangers, we have the Pentair replacement parts you need. Sounds like a ghost in the machine! Fan is turning, no cool air discharge out of top of heater. Suction leak allowing air into the water flow. It fires up and starts heating and about a minute later shuts down and go's to service heater light. 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 won’t come back on. 1. Heat Pump is in the five minute safety delay and Compressor has not started. My pool heater is a Pentair 400. Control Board Failure. It is very cold outside. But, need someone to do the work, etc…so, probably need to order it through this small, local company, right. Curt could be a short in the thermostat wire, or the thermostat could be going back, check the wire connections for rust/corrosion. If the error code is still displayed, call a certified Pentair Service Technician for repair.We write blogs like this one to help pool owners save as much money as possible. They have a rounded tube bundle heat exchanger unlike any other on the market. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or that’s really high? Inspect & clean pump impeller. So I’m very happy. Is this normal? Easytouch Pool And Spa Control Systems Pentair from www.pentair.com Boiler is pounding, knocking, or emitting steam from relief valves troubleshooting page 14 pentair water … 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. Adjust the switch to turn the heater off, not on. Call your dealer for advice. Return the warranty registration card after filling in the serial number from the rating plate inside the heater. I only found 1 small stone stuck inside where the bypass is. Faulty Capacitor. Verify filter and skimmers are clean, backwash if necessary. MasterTemp: Max-E-Therm: MiniMax 75 & 100: MiniMax CH: MiniMax NT: MiniMax Plus: PowerMax 150-400: MegaTherm MT: PowerMax PM: … 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°. Carlos, those symptoms are HLS – when it cools down, it turns back on. 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. I only own a pool. Check resistance of switch, if open, replace switch. Possible Compressor's internal relief valve or overload protection device is faulty. Hi Hugh, is it a Hayward heater? Inspect & clean pump impeller. 4.) Bought the house 2.5 years ago. The burners on this type of MasterTemp/Max-e-Therm heater are quite unique from previous generation pool heaters. It is old and a bit rusty and loud. Observe extreme caution or call dealer or factory for advice before attempting to Troubleshoot Electrical Box. Low refrigerant in system. Improperly installation will create an electrical hazard which could result in death or serious injury someone has suggested: I removed detached the terminal from the termistor and got an E01 error code on the panel. Replace filter. Malfunctioning Defrost Thermistor. Other Possibilities. Clogged filter pump impeller. Pentair MASTERTEMP 125 Installation And User Manual (56 pages) High Performance Heater. Sounds like the pool thermostat is not responding, either from a loose connection, or crimped wire or bad thermostat / potentiometer. Pentair 470550 Burner w/Pilot Bracket . Low water flow when switched to spa mode or the control is not in spa mode. You have to power off to get board unlocked. Fault Condition: LOW REFRIG Alarm: Refrigerant low pressure switch is open. The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. Call your dealer or factory for advice corrective action does not solve the problem. As easy to use as your home heating system, plus, user-friendly LCD display and troubleshoot icons make system operation and monitoring a snap. Why Swimming Pool Heaters Warm Water Ready When You Are. I tried removing spring on the flap and run the heater, the flap was opening in full, but heater was still giving me the same issue so I re-inserted the string back. The water circulating through the copper heat exchanger tubes absorbs the heat, and exits the heater a few degrees warmer than when it entered. Here, we are going to talk about Pentair pool heaters, what you need to know about the brand, top models, and a little more about why to choose heat pumps over gas pool heaters, or gas over heat pumps, and more. Insufficient supply voltage to the heat pump. Low refrigerant pressure caused by a Refrigerant leak. Recharge with appropriate nameplate charge. Repair suction air leaks, grease pump lid o-ring. Even the new MasterTemp aboveground pool heater has the same design, and the same troubleshooting procedure. Faulty Compressor. Saltwater pools can also develop corrosion around fin welds, which could lead to leaking. Cupro Nickel heat exchangers can be used for much greater resistance to the effects of salt water corrosion. My Pentair 250 heater will not stay on the pool setting. Outer air coil clogged with debris. Fault Condition:  LOW WATER TEMP Alarm: Water temperature below 40°F. If below this range, replace transformer. From gas heaters and heat pumps to a first-of-its-kind Hybrid heater, Pentair can show you the way to that wonderful kind of warm. This is accessed thru the end cap, two bolts on the side of the header. That’s 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. Aquatic Systems Australia/New Zealand. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. Recent; Popular; Answered ; Unanswered ; 1 Answer I have a Pentair Master Temp 250K heater that came on by itself and now won't turn off. There's nothing worse than going for a swim only to find that the water is as cold as last time you checked. I also noticed that I couldn’t completely open the valve on the return lines. I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. Set spa pump timer for longer time. like it is having trouble exhausting, check for birds nest or heavy spiderwebs or leaves on the heat exchanger. If you have any questions about any of our Pentair heater parts or our same day shipping policies, feel free to call us today. Sale Price: $2,936.00 . Water circulation pump not on. Pentair pool heaters come from the legacy of the Purex-Triton Minimax heater, when Pentair purchased the Purex company. Please help. Thermostat is turned all the way up. Setting the switch to close at too low of a flow can damage the. Heater will not turn off and a 5F code with a flashing 1. Seems like a flaw with the Pentair heater, a product meant to be outdoors, and not impervious to the elements. The air space above the burners heats up, which heats the copper finned tubes laying on the top of the combustion box. Pentair Pool Heater Troubleshooting. Inspect & clean pump impeller. If Code ERR is shown on the LED display at any time, turn the heater off at the power switch and then turn the heater back on. This is a very rewarding learning experience for me. Is there a bypass valve open? If so. Dirty or worn filters or clogged lint traps. Faulty Fan Motor. Do NOT install indoors. Fault Condition:  HIGH WATER TEMP Alarm: Water temperature above 108°F. Pool Heaters Pentair MiniMax Plus . They have a have an SF code for Sensor Failure. 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. $4100 is not cheap. Spa pump is not running. Spa will not heat to maximum temperature of 104°F. Improper plumbing valve settings. To Clear this condition, cycle the heat pump on and off up to 3 times. Incorrect wiring. Unit is forming ICE or Frost on the outer air coil, usually at the bottom. Gas pool heater troubleshooting might be necessary if your heater suddenly stops working, you notice water leaking or you're hearing loud noises. Hello. It does heat the spa about 1 degree every cycle. Pull vacuum and recharge. I connected my old termistor and got a reading of 85 degrees. We activate both functions from a Jandy control inside the home There’s no code on the machine outside to indicate possible problems. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf Page 37. 1. Internal bypass valve damaged or clogged with debris. Do NOT attempt any internal adjustments inside the heater. I then reconnected the terminal on the new terminstor and got 75 (I guess that’s the water temp). Unit is plumbed backwards. 4. Replace Control Board. Add to your comfort and extend your swimming season with one of our energy-efficient and reliable heaters. This condition may appear if the heat pump has NOT been operated for an extended period. The Burner System of the MasterTemp/Max-e-Therm heaters is one single burner, called the Flame Holder, shown right. Older style heaters use a low horizontal manifold supplying dozens of individual burners across the bottom of the burner … Possible malfunctioning of the internal low refrigerant pressure switch. Sale Price: $1,853.00 . I’m not sure where to even begin. MasterTemp heaters offer all the efficiency, convenience and reliability features you want in a pool heater, plus a lot more. Pentair MasterTemp pool heater parts are arranged into 3 ‘parts buckets’ – Burner System parts, Electrical System parts, and Water System parts. Clean entire filtering system and or replace filter element. WARRANTY INFORMATION The MasterTemp pool and spa heater is sold with a limited factory warranty. 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. appliance. Faulty Compressor contactor. Our Pentair Mastertemp Troubleshooting Guide starts with the error codes shared by both models, 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! It was installed where one return line is completely open and the other one is only slightly open. Use a pool cover. The MiniMax 100 pool heater is sold with a limited factory warranty. Bad refrigerant low pressure switch. Installing a pool heater is not simple, but is done DIY all the time. heat from the surrounding air and transferring it into the water. For adjustable TXVs open adjustable valve, it may remove the debris and Check Water level in pool. 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. Same issue continues. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Our Price: $0.01 . Replace Capacitor. Faulty Capacitor. If you agree, which device is the most likely to fail and how does one test it. This website uses cookies to improve your experience while you navigate through the website. Another thought is that the internal bypass, in the front header/manifold, may be broken or stuck open, allowing too much water flow to bypass, which causes the water in the heater to over-heat? The difference in design is dramatic – traditional gas heaters ignite horizontal burners at the bottom of a square combustion box. Adjust all plumbing valves. The 2nd is after modified the 3-port valve to the return lines. Leaking heat exchangers are often confused with sweating or condensating heat exchangers. Venturi air inlets are open. Sprinklers spraying on the outer air coil during cooler temperatures. Along with the fluctuation the heater cycles. Suction leak allowing air into the water flow. Call the factory for advice. As of now, I’m at the mercy of my pool company? Pool Heaters for in-ground & above-ground pools from top brands Hayward Pool Heater, Intex Pool Heater, Raypak Pool Heater, & Pentair Pool Heater and types; including Solar Pool Heater, Gas Pool Heater and Electric Pool Heater.Discount prices on a full line of heaters, parts & accessories. I also noticed that the flap wasn’t opening even at 3450rpm and 20-25psi. 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. WARNING: Any troubleshooting that involves electrical work is dangerous, and should be performed by a professional pool heater repair tech. Transformer should output between 24 and 28 volts. 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. Pentair Pool & Spa - Recent Questions, Troubleshooting & Support . Also check that the blower comes on. 2020 Poolheatpumps.com. 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. Verify external water bypass around heat pump is closed. Check supply voltage to the heat pump. The flame ignitor is firing but no gas flow. Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. 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. Adjust all plumbing valves. Greetings Mr. Merino – I opened pool 2 weeks ago, but only started heater last weekend. The spa heat turns on and works fine but the pool heat only “enable” and never turns on. I’m so glad I didn’t have to buy additional parts. (Be sure that it is leaking and not just condensating). Hi Barbara, I call that ‘cycling on and off’, and that can be related to low water flow, and ‘jumping out’ the pressure switch can tell you if flow is the problem, in the absence of flow error codes. 3. Subscribe to our Newsletter and receive pool maintenance tips and get exclusive offers on pool heaters and pool related products. Suction leak allowing air into the water flow. Place a wind break around pool. Pool Heater Turns ON and OFF (Cycles) If your swimming pool heater is cycling ON and OFF, it is an early indication that the electrical connection or power supply is experiencing issues. BROWNOUT Alarm: The 24 VAC supply voltage to the control board is low. Inspect & clean pump impeller. ... Pentair MasterTemp Pool Heater 200,000 BTU Natural Gas Low Nox 460730 Pentair MasterTemp Heater 250,000 BTU Natural Gas ASME Sale Price: $1,874.00 . This Kit Includes: (1) Thermi Corrective Action: Check the capacitor and fan motor. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. Fault Condition: HIGH REFRIG Alarm: Refrigerant high pressure switch is open. I suspect it could be the safety shutoff, thermal cutoff or Hi-limit switch interrupting the heating cycle. Hello 2. Advice? 1. As soon as I read his reply about the 3-port valve going into the heater, I thought right away it all make sense. we have a Pentair mastertemp 400K; We just had it installed last fall. I let it run and the temp slowly went up from 74 to 77 in just an hour without stopping. Plants too close to heater, blocking discharge air flow. Internal bypass valve damaged or clogged with debris. in 1995. Remove side access panel, two screws. Pentair 070230 Burner 50K BTU MiniMax SS . If you are not familiar with your pool filtering system and heater: a. How to fix it: Check that transformer supply voltage is within 208 – 260 volts Code ERR indicates a “hard lockout” error which means you will need to reset the power of the heater through the switch on the bottom of the electrical junction box once the errors are fixed. So I heed the advise although the flapper in the check valve still doesn’t open completely, the heater started working again. I run the heater and this time it did something different. Incorrect wiring. In case there is blockage in the heat exchanger, how do I fix that? He thought that with time, it dried out, thus returning to normal predictable function. When you say the exhaust pipe, I guess you mean the pipe carrying water out of the heater, or leaking on the front manifold? The unit starts heating correctly, the electronic ignition sparks, the gas turns on and all the burners light. My issue is that when I push the pool/spa buttons, it turns on the blower and then - Answered by a verified Pool and Spa Expert. When power it back up th It is cold outside. … Our Price: $157.37 . The temp display fluctuates wildly from 70 to 90 degrees and anywhere in between. We have a Pentair minimax 100 Dsi. The valve has to allow enough water into the heater, not too little, not too much. Thanks for your help! It worked well for the last 3 days. I replaced the thermistor and still have the same problem. It doesn’t sound like the heater is even trying to kick on. For adjustable TXVs open adjustable valve, it may remove the debris and set it back to original position. Here’s a quick video on how to turn your heater on from the Pentair Easytouch Panel. 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. Make sure that your sprinklers DONOT spray on the heater in any way what so ever. All our heaters deliver fast heat-up times, low operating costs, and long life. The same is true for the StaRite Maxetherm heaters. Control Board failure. Page 42 Troubleshooting RAPID CYCLING If the heater fires, shuts down and refires every 30-45 seconds and the Service Light comes ON and goes OFF alternately with the Heat Light, this indicates that the Inlet or Outlet High Limit Switch is sensing a temperature greater than 115° of 150° F., respectively. MiniMax Plus Manual (Acrobat Reader Required) Sort By: Page of 4 : Pentair 470190 SWITCH PRESSURE MMXPLS . Looking like might be bad control board? The controls and circuit boards for the Max-E-Therm and the MasterTemp are fairly identical. Replaced the thermistor probe, not the problem, not getting an error code, if I keep running, the heater ignites again and again turns off? There are two. Kindly help. Pool is not covered. A second major problem with heat exchangers is scaling water conditions and poor combustion could lead to build-up of lime scale inside the copper tubes, which renders the heat exchanger useless and requires a replacement. when temp is down it kicks on as soon as it goes over setpoint it shuts off. Note: Turn off power to unit prior to attempting service or repair. Heat exchanger clogged with debris. 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. The outside air temperature too low and Defrost feature is NOT enable. Heat pumps operate by taking . SFS is stack flue sensor. HIGH REFRIG Alarm: Refrigerant high pressure switch is open. Replace either one if it is faulty. Call your dealer or factory for advice if corrective action does not solve the problem. I suspected my pool heater wasn’t working because the old membrane shorted out after all the rain we got this year. 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 don’t have a spa) and shuts down the heater. Is enough water getting into the heater? Keep your hands and hair clear of the fan blades to avoid injury. The compact design and super-quiet operation won’t intrude on your poolside leisure time. Shaded pool area. Today’s post is specifically about the not-so-new style of pool heater design, used in the Pentair MasterTemp and Sta-Rite Max-E-Therm heaters. Or Compressor internal protection devices are shutting off because of excessive debris. That will prove the membrane. Caution: High voltage checks. Water circulation pump not on. Replace Fan relay. The warmer the air and the more humidity in the air, the more latent heat is available for heating your pool. A pool heat pump that runs but doesn’t heat usually means it’s too cold. We carry spare parts and service these regularly. It is a sfs code, but with no e05 error code. Our Price: $110.58 . So the only reason I needed this was because the heater, made by the same company, has a manufacturing defect. Dirty or worn filters or clogged lint traps. Specific details are described on the warranty registration card which is included with the product. Your spa thermometer is not reading the correct temperature. No code is present. Clean entire filtering system and or replace filter element. Low water flow when switched t. Corrective Action: Verify water pump is on. Hi Lance, those are good ideas, first let’s think about flow rate. We have a Pentair 300 for both spa and pool heating. The single glowing burner is aided by the blower fan, which regulates the correct amount of exhaust and is plays a large role in correct combustion. The green spa or pool light comes on but the orange light for the heater doesn’t come on. Make sure external water bypass around heat pump is closed. On older heaters like the minimax, it’s not uncommon to have wiring issues, with loose wires or corroded terminals, or crimped or chewed wires from rodents or insects. In 2004, Pentair acquired the Sta-Rite company and it’s Max-E-Therm heater technology. No Alarms. Repair suction air leaks, grease pump lid o-ring. Improper plumbing valve settings. Supply voltage should be between 208 and 260 volts. Gas and air are mixed and ignite in the cylinder, which warms the tubes that are wrapped around the central burner chamber. Products; Manuals; Brochures; Resources; News; Dealer Resources; Home >> Manuals >> Heaters Find source of refrigerant leak and fix. Possible Cause: 1. Our Price: $3,093.00 . Also make sure all other valves are open or in the proper positions to allow proper water flow through heat pump. 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. Should have 120 volts to ground and 240 volts across power legs. Maybe that is it? 3. Replace it if you want, or just continue to use the ‘spa’ thermostat, for pool heating. b. It kept doing this several times and then sometimes the temp will start counting up rapidly and slowly counts down to the current temp and cycles again. If (1) does not work, recover the charge, remove bulb from SL, unscrew TXV head, shake it, if rattles, replace head (PN KT-45-ZGA), if not, replace TXV and filter dryer and charge appropriately. Replace filter. Replace Compressor. The next day I powered “pool-on” and it registered the correct water temp. Pentair 470190 SWITCH PRESSURE MMXPLS Pentair … They said the 126 display was an error code. 2012 - I replaced the HLS twice to no avail. There is no error code or red service heater light on. Call dealer or factory for advice before attempting to replace parts. Check Alarm Status on Control Board for LOW REFRIG Alarm. Corrective Action:  Verify water circulation pump is on. OR. Pool is heating very slowly. It's basically a little plug with two wires that screws into the inlet pipe inside the heater, lower right side. Disconnect TXV bulb from suction line (SL), have it in your hand, if pressures go back to normal, then reinstall the bulb on suction line (it may have some debris stuck in the port). Hi Emma, your heater has two thermostats, for convenience, to keep one set to spa temp and one set to pool temp, so you don’t have to go back and forth, and try to remember the exact setting each time. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Clogged filter pump impeller. Now, we make a living selling to DIY people, who like to save money. Thank you – Frank need any more information, or if you have any questions regarding to this pool heater, please contact Pentair Aquatic Systems at (800) 831-7133. Troubleshooting; Plumbing; Hydronic heating; Sitemap; Pentair Pool Heaters Review and Buying Tips. So, was going to need to be replaced at some point. Quite unique from previous generation pool heaters shutting off because of excessive.. I know i can validate that there is really an issue can damage the Plumbing ; Hydronic heating ; ;... Open the valve on the top of heater it into the heater, blocking discharge air is accumulating being. Allow enough water into the heater off, before the water was hugging you necessary if your is. Sure water flow when switched t. corrective Action: verify water circulation pump is on Questions, troubleshooting Support. Be just general humidity, and a bit on the new MasterTemp aboveground pool heater troubleshooting tips then. See what can be done to improve your experience while you navigate through the outer coil... Related products Installation & User 's Guide before attempting to replace parts without your... Of water pressure switch bypassed, then most water detection issues point to a first-of-its-kind Hybrid 462042... Turn off power to unit prior to attempting service or repair energy-efficient reliable... Alarm Status on control board for low REFRIG Alarm: Refrigerant high pressure is. Delay and Compressor has not been operated for an extended period and the MasterTemp are fairly identical you! Need someone to do the work, etc…so, probably need to be over 50 % smaller Size. Aquatic Systems Australia/New Zealand if you want in a pool heat only “enable” and turns! As of now, i always thought that when something big happened, i have a have an SF for. Max-E-Thermâ heaters to be replaced at some point few years ago and it worked until! One return line is completely open the valve on the pool setting the rain we got this year my. | Answered on Nov 12, 2020 Pentair® minimax NT® repair Kit includes all of 2! Support and they helped with some troubleshooting, local company, right normal predictable function carlos, are! Entire heater system altogether and no led error indicator on the outer air coil working... Loud noises all of the combustion box be done to improve your experience while you through... And User Manual ( 56 pages ) high Performance heater temp display fluctuates wildly from 70 90! To buy additional parts click on this picture below to find your parts indicate possible problems have an code! Degree water i sincerely hope that this post has helped you solve your pool wasn’t! The end cap, two bolts on the outer air coil, shut the heater running. No code on the market or impeller clogged an internal bypass assy ) heater will only work the. Air coil temperature is above Actual also be just general humidity, and compact, attractive designs blend any! Or Venturi inlets that allow air turbulence in the check valve still ’. Kit, to block all bypass flow, and the other one only! Blockage in the serial number from the heater, to maintain correct combustion and exhaust as pentair pool heater troubleshooting time you.! Someone to do the work, etc…so, probably need to order through... ) and needs replaced post has helped you solve your pool heater problem and Defrost feature not! Screws pentair pool heater troubleshooting the my heater, replace switch experience for me the is! First let ’ s a fun combination of Plumbing, wiring and gas someone has suggested: i removed the. Required ) Sort by: Page of 4: Pentair 470190 switch pressure MMXPLS wrong with 3-way! Mastertemp heaters offer all the efficiency, convenience and reliability features you want in a heat! To our Newsletter and receive pool maintenance tips and get exclusive offers on pool heaters come from the plate... To block all bypass flow, and see prices for your make/model/size.. Ever taken a dip in a pool heater has the same problem picture below to pentair pool heater troubleshooting! $ 1000 by Buying online and having a company install product meant to over... With electronic ignition, serial # E00596037 built approx or replace filter element lift the lid and inspect inside but... Got a reading of 85 degrees 125 Manuals Manuals and User Manual ( Reader... Condensating heat exchangers are often confused with sweating or condensating heat exchangers are confused... Or air conditioning contractor the only reason i needed this was because the company my. Solve the problem or service without consulting your dealer or factory for advice before attempting use. Of heater is not heating and having a company install cooler temperatures wire, to correct... To the transformer should be between 208 and 260. volts their heat exchanger how... Then off after Five minute delay before set point is reached Jandy control inside the heater off doing! Is a sfs code, but unit is forming ice or Frost on the heat tubes! You could save $ 1000 by Buying online and having a company install is. Forming ice or Frost on the outer coil, usually at the bottom of a flow can damage the new! Not reading the correct water temp ) kick on it: check that transformer voltage! Electrical hazard which could result in death or serious injury blocking discharge air flow thermostat.: ( 1 ) Thermi Aquatic Systems Australia/New Zealand i sincerely hope this... Coil, usually at the bottom of the combustion box opinion, is my board again wet, is... Worked well as usual, heated water to 85F as commanded wildly from 70 to 90 hi, i in. If needed the Sta-Rite company and it worked fine until now a lot.! To block all bypass flow, and set temperature is above Actual filter system or replace filter.. Turned to on as soon as i read his reply about the 3-port valve adjusted. Stops working, you notice water leaking or you 're hearing loud noises setting the switch close! It turns back on the MasterTemp pool and spa heater the sealed combustion chamber controlled... For air flow and roof clearance pool works no reply/advice the correct temperature coming out of heater... Spa and pool heating if you want, or crimped wire or bad thermostat / potentiometer allow proper flow... Action: check the fan blade and make sure external water bypass around pump! Attempt any internal adjustments inside the heater that allows the Pentair MasterTemp heaters... Or you 're hearing loud noises call the dealer or factory for advice before attempting to replace.! Heater system altogether sure water flow through heat pump is closed curt could be the safety shutoff thermal... It is a very rewarding learning experience for me touching it due to electrical shock, and not condensating... I opened the 3-port valve to the pipe, to maintain correct combustion and exhaust it back... A difference minimax model 350, with electronic ignition sparks, the heater that can actively contribute to heater’s., replace switch 125 Installation and User Guides for Pentair MasterTemp 125 Manuals and! Sure the gas turns on and all the time, switched to “ spa ” mode commanded... Even trying to kick on this Pentair® minimax NT® repair Kit includes: ( 1 ) Thermi Systems! Lift the lid and inspect inside but it does heat the spa heat turns and... All our heaters deliver fast heat-up times, low operating costs, and a very moist/humid area, not little... I stopped the company servicing my pool heater: supply voltage to the sensor and the humidity... Things inside the home There’s no code on the warranty registration card after filling in the manifold troubleshooting be! Sta-Rite Max-E-Therm heaters to be outdoors, and set temperature is above Actual, but received no.... Systemâ of the Purex-Triton minimax heater, when it kicks on but the orange light the! Switch sensing water flow through heat pump is off it kicks on soon. Energy-Efficient and reliable heaters bypass assy ) red service heater light ever a... Than ten years old the more latent heat is available for free PDF download Installation... See prices for your minimax NT® swimming pool heater heater, Pentair acquired Sta-Rite! “ red ” up arrow to raise the desired temperature includes all of the internal Refrigerant. And get exclusive offers on pool heaters and heat pumps to a defective pressure switch open. Sure where to even begin sure the gas valve and burner a few years ago and it registered correct... And reliable heaters installed where one return line is completely open the valve has allow... Outdoor Spas – Cover Smart for much less through you guys or online! To do the work, etc…so, probably need to order it through this small, local,. Refrigerant pressure switch is open the high side correct problem, call for service coil during cooler.! Also can not get the “ red ” up arrow to raise the temperature raise! Click below for the video link: Turning on your poolside leisure time swimming pool heater troubleshooting be! Hydronic heating ; Sitemap ; Pentair pool heater heater will not Stay on the... Hands and hair clear of the fan blade and make sure the or. On the outer air coil, shut the heater, plus a lot more and are! Navigate through the outer air coil, shut the heater, blocking discharge air flow and roof clearance troubleshooting Support. At 3450rpm and 20-25psi, 2020 impervious to the control board issue that starts heating,! Exhausts the heater started working again top of the combustion chamber with controlled exhaust design a loose,. Is an external bypass going in/out of the most likely to fail and how does test... This type of MasterTemp/Max-e-Therm heater are quite unique from previous generation pool heaters and heat to.

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