One of the biggest fears any owner of a Mastertemp has is the corrosion of the heat exchanger. 36. The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. Operating Control Panel. Test your fill water too. Even if they are fixed somehow, they will stop working after a while. 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. "height": "219",
If still, the problem is persisting, reset the heater by turning the breaker ON and Off positions. in 1995. 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. The spa heat turns on and works fine but the pool heat only enable and never turns on. Pentair MasterTemp 400 Common Problems [15 Easy Fixes]. Work through the steps listed above and youll be cannonballing into your warm pool in no time. Would there be any kind of lockout that would prevent the heater to go into "off" mode. Hopefully, now you have a crystal clear idea of each of the Pentair Mastertemp 400 problems. "mainEntityOfPage": "https://blog.intheswim.com/pentair-pool-heater-troubleshooting-guide/",
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. There are certain effects of scaling, such as: Change the heat exchanger and get a new one. So,just curious if I do have a way to validate there is really an issue or if I just have to bit the bullet and trust them implicitly? You may need to replace it. The correct temperature of water depends on the user. But the corrosion mainly occurs from the leakingof the interior parts of the heater, low water flow, open bypass valve, stuck closed of the thermal regulator, dirty filter, and imbalanced PH level on the pool water. you'll need to set up your IntelliFlo3 VSF pool pump in the Pentair Home app if you don't already have it. Thermal Governors stop working primarily due to years of usage. "width": "611",
In some cases, the thermal governor that controls the cooling fans gets defects due to years of usage. View online or download Pentair MasterTemp 400 Brochure. If it doesnt work, contact the Pentair customer support center. Sometimes users have the experience of a low heating problem, or the heater is totally out of its duty. },
First of all, ensure that the heater and blower are getting the correct voltage. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. }
. My heater also powers up, displays lights, without anyone touching it. I have a Pentair 400 master temp. You can install a bypass valve to regulate the required flow rate. "contentUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
The same is true for the StaRite Maxetherm heaters. This is accessed thru the end cap, two bolts on the side of the header. Change the waters chemicals to achieve equilibrium. It means that the ignition control module has failed to ignite the heater. Possible Cause: Gas supply valve. Be sure the heater is turned off at the breaker, and youre wearing proper protective gear. Also, closed valve, fluctuating in power supply, defective pressure sensor, imbalanced pool water chemical levels, deterioration of the heat exchanger, faulty thermal regulator, or high limit switch are responsible for causing such issues. Water Flow Problem. The thermal regulator should be in fine working condition. Replace if there have any defects. {
7. Bought the house 2.5 years ago. MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time. Now check out the heat exchanger as well. If the pool is bigger corresponding to the size of the pool heater, itll take time to heat up the heater. Worked for 1 weekend, now won't fire up. The heater works fine but the temp display shows 55 deg when the water temp is 90 deg. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf Page 37. Gas accumulates at the orifice until it reaches the chambers interior, causing a backfire. To reduce the number of minerals from the pool water surface, you will need to replace the heat exchanger with the new one. So, here we will look at some issues and their solutions. If still there are strange sounds or shaking, contact the manufacturer of the heater because it could be risky for you now. Ensure that the pool filter is clean and clog-free. After long usage of the thermal governor stops working permanently, thus it cant be fixed by any means. The heater should be set at 104 and let the automation do the rest. Pentair Mastertemp 400 comes on automatically and will not / cannot be turned. This problem has a very basic and straightforward fix. Hi, if the heater is less than ten years old, it may make sense to replace the heat exchanger. If water is moving through the heater, the thermocouple or auto-start igniter system is not functioning properly. Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. On older heaters like the minimax, its not uncommon to have wiring issues, with loose wires or corroded terminals, or crimped or chewed wires from rodents or insects. For that, clean out the water filter first. It cycles for a bit then I hear a click either it fires off or it doesnt. The accumulation of minerals on the surfaces of the pipes acts as a barrier against corrosion. The insufficient water level in the pool and incorrect voltage supply in the pressure switch is also responsible. Same issue continues. "datePublished": "1/8/2019",
},
Clean the skimmer or the strainer basket of the pump. To fix your pool heater issue, make sure the water flow is sufficient & valve is open as the filter is clean. This residue is usually formed at the bottom. Your email address will not be published. Its a fun combination of plumbing, wiring and gas. 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. Combustion appears normal, but the flame does not stay lit. When we turn the temperature down before the pool system shuts off for the night the next morning when the systems turns on the temperature is back up to the previous higher setting on its own. 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. Safe operation is assured through a series of features . 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. The pool system must sustain the water flow in order for heaters to perform efficiently. 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. Mastertemp 250 Won't Turn On. But, need someone to do the work, etcso, probably need to order it through this small, local company, right. As an Amazon Associate I Earn From Qualifying Purchases. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. The Thermal Governor has become jammed and is unable to open. It does this over and over . Without gas, the heater won't operate. A combination of these two leads to the formation of limescale on the interior of the tubes. Verify pressure tap between gas valve and blower inlet. I love gardening a lot! filter. Check out the power of the transformer whether its all good or not. Greetings Mr. Merino I opened pool 2 weeks ago, but only started heater last weekend. Education Center. We activate both functions from a Jandy control inside the home Theres no code on the machine outside to indicate possible problems. It was installed where one return line is completely open and the other one is only slightly open. I would place the valve perpendicular to the pipe, to block all bypass flow, and see if that makes a difference? For the heater to turn on and generate heat, all the safety switches have to be in the on position. The service system light is on, and it has two red lights on, on the reverse side of the motherboard. "primaryImageOfPage": {
Copyright 2022 In The Swim. The hi-limit switches are also on the front header of the minimax, and likewise, can be jumped-out by following the wires to where they connect, and using a jumper across the terminals. Ensure that the transformer has at least 24 volts. Pentair Mastertemp 400 Heat Exchanger Corrosion, 9. Otherwise, your control board is most likely to be blamed. The air space above the burner heats up, which heats the copper finned tubes laying on the top of the combustion box. Solution: Following the same logic as the last step, walk over to your gas supply and check that's its gas line valve is also set to the "OPEN" position. I think its a bit on the high side. Our Pentair MasterTemp troubleshooting guide starts with the error codes shared by both models. Here are the video links. Go through the below guide to get the best solutions for Pentair Mastertemp 400 problems. If your heater is creating a sound like shaking, cleaning the complete heater unit is a must. With nearly 10 million pool pumps operating in, In our second in a series of pool parts pictorials, this time we take a high-res look at parts for gas pool, WhenHayward multiport valves start to age different problems can arise, some are just annoying and some are actually detrimental to the filter, Pentair Pool Heater Troubleshooting Guide, Must Have Accessories for Above Ground Pools, http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf. It could be caused by insufficient gas, damaged or wet igniter, defective ignition control module, or improperly grounded burner flame holder. They usually cannot be fixed. Dont stress! Pentair Pool Support 1-800-831-7133. Read More. When your Pentair Mastertemp 400 keeps shutting off, it could be caused by a faulty temperature sensor, a low water flow rate causing the heater to overheat, or a bad control board. Articles and resources for swimming pool owners and DIYers. By unlocking the manual relief valve on top of the Clean & Clear Plus filter, I would bleed air out of it. Test the resistance of the pressure switch. When the heater temperature exceeds the safety level, it activates and shut down the heater. Your pool heater needs to be prepared for the winter so that it doesnt incur any freeze damage. Hi Davy I live in Maine, so very short pool season. Disconnect the wires to the ICM. Rust or red spiders can clog these up. Reduce strength of exhaust vent and/or number of elbows. There are some common temperature issues that users face. Have a BRAND new Pentair Mastertemp 400. Check out the other heating elements. 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. Follow this video below for instructions on Pentair MasterTemp 400 control board replacement. The temp display fluctuates wildly from 70 to 90 degrees and anywhere in between. Pentair Mastertemp 250 turns on automatically. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. Now, check out the voltage supply to the control board. A defective keypad membrane can cause your heater to be non-responsive after the R13 code appears and the heater turns on. It has a big role in controlling the heater operation. "@type": "Organization",
Frequently Asked Questions. If the voltage is not optimum or the required level, the Mastertemp 400 won't turn on. Check the wire going to the sensor and the sensor itself. All of this must be considered when deciding whether to fix the heater by changing the exchanger or replacing the entire heater. I have a Pentair Mastertemp 250 pool heater. Troubleshooting your Pentair pool heater doesnt have to be a time-consuming hassle! A second major problem with heat exchangers is scaling water conditions and poor combustion. Ryan, start with water flow, make sure that the filter and baskets are clean and the filter pressure is normal, and water is not bypassing the heater, externally, or internally from the internal bypass, located in the front header. Again, if it is displaying a lower temperature, the heater may keep heating even if the water is hot enough. Heater will not start. As always, use caution when working with your heaters electrical system. 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