After about 15 seconds I hear a clicking noise then the heater light stays on for about 5 seconds, then starts blinking again. The heater won't fire up. Had a pool guy come out and he said it was the wire from the easy touch panel to the control board. 8 posts / 0 new . Project Location: ... Pentair Mastertemp 400, about 10 years old. My Pentair 200 heater will turn on and red service light on immediately, the blower turns on, then the burner lights up runs for about 20 seconds and shuts off, blower cycles for about 60 seconds and shuts off, but board is frozen, no buttons on or off or temp control work unless I kill power, and I have done obvious filter cleaned, water flow good, gas is on, any suggestions The heater will be 2 years old in January. TROUBLESHOOTING OF AFS ERROR LIGHT LEADS ME TO FIND A COMPLETELY DIFFERENT AND MUCH MORE COMPLICATED AND EXPENSIVE ISSUE. The Pentair 460736 MasterTemp 400000 BTU pool heater measures in at 29.9 x 36.1 x 22.8 inches, so you won’t always be able to see it. need size ~23mm long socket (only had a 24mm long socket which sorta worked). Pentair mastertemp heater won't turn on. There are two designators for each heater, one is the Model Number and the other is the Heater Identification Number (HIN). Had to take off water intake/exit panel with flat head screw driver. I get what you are saying about the automation, we can't single down where the communication problem is. New circuit boards, switches and controls this year. Again it will light up, and then the flame will cut out agian. He never showed back up to replace. 387224. View online or download Pentair pool products MasterTemp 460736 Operations & Installation Manual, Installation And User Manual $25 fix for a $2100 water heater. If this occurs, run the pump at high speed only to operate the heater. For larger pools the Pentair Mastertemp 400 heater will get the job done better than just about anything else. The gas valve may need to be adjusted if the reading is low or high. A few times recently the pump wouldn't turn on, but eventually did. Have Pentair MasterTemp 400 pool heater. A dirty filter can cause low pressure and as a result, cause the heater's pressure switch to turn OFF. If this does not correct problem, call for service. Starts but turns off in a few minutes. It will also shake sometimes. Heat pump troubleshooting guide for Pentair pool heaters. Section 2. Said No ,turn up pump speed. It is fitted with locking nuts to align and join to the couplings on the filter unit with 7.5” centerline. Installation Instructions. 4 Very compact design for such a high performance heater allows for smaller overall equipment pads that won’t intrude on your poolscape. Sometimes it won't come back on. Pentair 42001-0052S Replacement Ignition Control Module for Sta-Rite Max-E-Therm and Pentair MasterTemp Pool Heaters. Pentair - MasterTemp Liquid Propane 400K Pool and Spa Heater. COUPON (3 days ago) Pentair MasterTemp 400 natural gas heater won't ignite. Temp was reading 126 degrees F when the pool was only 72 degrees. Very easy to swap out, less than ten minutes. 5 out of 5 Customer Rating. 13. Comment: The Pentair Mastertemp 400 Heater will not turn off. MASTERTEMP® Pool and Spa Heater Installation and User’s Guide Rev. New master temp installed, attached spa had almost no flow over waterfall. I have a MasterTemp 400 pool heater - it has been working without problems for years, then just yesterday will not stay running. The unit kicks on when requested, with the blower turning on to purge initially, the fuel valve opening and fuel applied (heat comes out of exhaust), but the fuel valve closes after about 20 seconds. 15. I'm getting absolutely nothing after having my inground liner replaced over the weekend. Heater Won't Turn On or Does Not Stay On. 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. Do any diagnostic LEDÕs on back of board (AGS, AFS, SFS, HLS, PS, or THERMISTOR) come ÒonÓ and stay on? Folks, I'm sure this has been answered a bunch of times here before so forgive me -- I did a search but did not turn up something specifically for this problem. As easy to use as your home heating system, plus, user-friendly indicator lights make system operation and monitoring a snap. California Residents WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Check the filter . My Pentair Mastertemp 400 work for a few min and then cuts out. I have tried it several times. This seemed counter productive as I was running pool 12 … Pentair 460736 Stainless Steel MasterTemp Grey/Almond Heater 0-2999 Altitude, Natural 400-BTU: Amazon.ca: Patio, Lawn & Garden How to Troubleshoot Swimming Pool Heaters. Start up code 888 then 128 then r=8, product # 460736 Starts but turns off in a few minutes. Joseph Heil . I have a Mastertemp 400 that is ten years old and it did not turn on. Now it won't turn on at all. Pentair pool products MasterTemp 460736 Pdf User Manuals. Pentair Mastertemp 400 Heater would heat on and off, intermittently. If you want to know more or withdraw your consent to all or some of the cookies, please refer to the, Pentair MASTERTEMP 400 HD Installation And User Manual (54 pages), Technical Data / Heater Identification Information (HIN), Consumer Information and Safety / Warnings and Safety Instructions / General Specifications, Overview / Important Notices / Warranty Information, Basic System Operation / HSI (Hot-Surface Ignition) Lighting/Operation, Operating Instructions / Basic System Operation, Safety Controls: Air Flow Switch (AFS) / Water Pressure Switch / Height Limit Devices, Temperature Setting / Maximum Temperature Set Point, Indoor Venting-General Requirements Heater Clearances / Outside Vent Removal ), Combustion Air Supply / Corrosive Vapors and Possible Causes, Vent Installation (Indoor Installation or Outdoor Shelter) - Vertical Venting, Horizontal or Vertical Venting - Using Single-Wall Stainless Gas Vent, Connecting Single-Wall Stainless Steel Vent to the Heater, Horizontal or Vertical Venting Flexible Duct (Flex-Vent), Fireman's Switch Connection/Remote Control Connections, Mastertemp Wiring Diagram / Electrical Schematic Ladder Diagram, Initial Troubleshooting and Troubleshooting Chart, Heater Will Not Fire Troubleshooting (A, B, C, D), LED Diagnostics (AGS, AFS, HLS, PS Thermistor), Spring, Fall (Autumn) and Winter Operation, Maintaining Pool Temperature / Energy Saving Tips. if i cycle off and then backon the circuit breaker, the heater turns … MasterTemp Heaters offer all the efficiency, convenience and reliability features you want in a pool heater, plus a lot more. Has a minor problem with wiring and thermostatic controls won`t turn it off. Is this a membrane issue or a control board issue? Have a Pentair Mastertemp 400 that is about 10 years old. If you own a Pentair MasterTemp pool heater and your stack flow sensor breaks, this replacement kit from the manufacturer can be an ideal choice. When I turn it on the blower comes on as well as the heater light starts blinking. Called Pentair asked if this could be caused by restriction in new heater compared to previous mini max. No matter what you’re seeking in your swimming pool heater, MasterTemp ® measures up. Call Us Nationwide: 1 800-741-9956. Heater won't shut off Water not heating to desired temperature ... We discovered a rat was nesting in our pool heater unit and chewed on some wires so now the unit won't turn on. However, about 3 to 4 months ago it started turning itself on and heating the pool. If the pool won't be used for a month or more, turn the heater off at the main gas valve. You won’t do this with a solar pool heater or a heat pump. Sometimes it won't come back on. FOR YOUR SAFETY- This product must be installed and serviced by a professional service technician, qualified in pool heater installation. Unplug the keyboard membrane then power it up. Safety Controls: Air Flow Switch (AFS) / Water Pressure Switch / Height Limit Devices. MasterTemp heaters are engineered for super-quiet operation and won’t intrude on your poolside leisure time. Speaking of low voltage wire, I probably need to replace that either way as I have spliced it when I found damaged sections.. Is that something I can pick up at Home Depot? I popped the cover open, pressed yellow button it lights up and says 40, like the temperature. By using our Services or clicking I agree, you agree to our use of cookies. I thought it was the membrane, replaced that no change. I have a Master Temp Pentair 400 pool heater. Your source for Pentair pool heaters. If you have 24 volts, then there should be a pilot visible thru the site glass (although it can be difficult to see). I have a Pentair Master Temp 250K heater that came on by itself and now won't turn off. Clean the filter and turn the thermostat up to try the heater again. A few times recently the pump wouldn't turn on, but eventually did. Temperature Setting / Maximum Temperature Set Point ; 15. No lights, noise other than water filling, nothing. Yes, it's used and ugly. Heater won't Ignite . He seems to think it is something where the main power runs into the heater, near the fireman switch. To Clear this condition, cycle the heat pump on and off up to 3 times. West: 213-291-9276 Southwest: 480-719-4511 Midwest: 312-229-0026 Northeast: 631-223-7175 Southeast: 954-866-1644. The heater turns on, the temperature is adjustable, the Jacuzzi heats the selected temperature and kicks on and off to keep that temperature, but will not turn off when the button on the unit is pushed. This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. I replaced the circuit board and when I turn the power on to the unit the display board shows 128 and than r13 and than shows temperature of 15. Are we having a problem with the pump or the heater? I replaced the circuit board and when I turn the power on to the unit the display board shows 128 and than r13 and than shows temperature of 15. The user-friendly indicator lights will also let you monitor it without paying too much attention to it. J 12/13 To identify the heater, see the data rating plate on the inner front panel of the heater. Brands; Solar Heating. With its revolutionary Page 9/28. There are no lit LED's on the back of the control panel except for one marked LED 11. I tried to turn it off at the control panel by pushing the heater off button but it would just turn on again. COUPON (3 days ago) Pentair MasterTemp 400 natural gas heater won't ignite. High Limits. Posted Thu, 02/19/2015 - 21:17. It was installed about 3 years ago and there haven't been any problems. New comments cannot be posted and votes cannot be cast, Press J to jump to the feed. ... Have Pentair MasterTemp 400 pool heater. Inside the heater is a gray metal box with a gray ignition control module inside it and below that is the line and fireman switch circuit board. ... Fire up the Pentair and off you go. It will turn on, then go off, then come back on. Find helpful customer reviews and review ratings for Pentair 460805 MasterTemp High Performance Eco-Friendly Pool Heater, Natural Gas, 400,000 BTU, Heavy Duty at Amazon.com. Menu. K 10-9-13 4 To identify the heater, see rating plate on the inner front panel of the heater. Use the up/down arrow and it will respond. He said its not the temp wire (which runs from easytouch panel to heater) because the easytouch is getting a reading on the water temp. The blower will go through a cooling cycle and not come on again. Very used Pentair 200M pool heater. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. Yes, it works but it has issues. Serious mal-function of the burner can occur which may result in loss of life. More Details Quantity. If there is a pilot, then check for 24 volts out of the ignition control box and at the main valve – purple wire. So, I turn it off for 5 min and restart. Trustpilot. One common problem that digital pool heater owners may have is ignition lockout. I can’t turn the heater board off. Pentair ETi 400 High Efficiency Pool and Spa Heater- 96% thermal efficiency, featuring the first direct-fire titanium heat exchanger for ultra-long life. Asked on 9/28/2016 by Roberto G Wantland. For areas where there is no danger of water freezing, water should circulate through the heater all year long, even though you are not heating your swimming pool. 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. Starts but turns off in a few minutes. New heat exchanger and tons of new parts last year. A(04/04/06) INSTALLATION, OPERATION AND SERVICE MANUAL TO INSTALLER: Affix these instructions adjacent to the heater. POOL AND SPA HEATER 120/240 VAC NATURAL GAS/LP GAS. Any advice? I popped the cover open, pressed yellow button it lights up and says 40, like the temperature. ... First thing I’d do is turn power off to the heater. * * * * * * Subscribe Unsubscribe . High Efficiency Rating Makes these Heaters Extremely Economical to Operate. Back. Have a Pentair Mastertemp 400 that is about 10 years old. If this does not solve the problem, do not try to run the heater. Pool heater ignition lockout is … Another pool guy came out, said replace the whole thing. jgehlhaar . Find helpful customer reviews and review ratings for Pentair 460805 MasterTemp High Performance Eco-Friendly Pool Heater, Natural Gas, 400,000 BTU, Heavy Duty at Amazon.com. It does heat the spa about 1 degree every cycle. Lately it has been acting up. Your post is a little confusing. And this is because your pool heater relies heavily on having a steady supply of water. MasterTemp TM WARNING 472592 Rev. I have a 1 year old heater that only tonight started heating, then would cut out, light the service heater light, run a while more, then relight the burner. Pentair MasterTemp Low NOx Pool & Spa Heater - Dual Thermostat - Electronic Ignition - Natural Gas - 175,000 BTU - 460792 $ 1,679.41. The Pentair 460736 MasterTemp 400000 BTU pool heater measures in at 29.9 x 36.1 x 22.8 inches, so you won’t always be able to see it. 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