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Hydro therm 150 C keeps shutting down after 3-5 minutes after ignition, control board?

Replaced the thermal coupler, same issue, reset the system off the igniter switch, runs for 3-5 and shuts down,

Posted by Anonymous on


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Posted on Jan 02, 2017

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SOURCE: Wall furnace model # SFB50146B Thermal Coupler. Does it have 2 wires?

if the pilot light stays lit, but the burners don't kick on, it's a problem with the thermostat or thermostat wiring, or a problem with the valve inside the gas actuator

Posted on Oct 25, 2008

Accurate Joe
  • 61 Answers

SOURCE: Goodman GMP075-3 ignition problem

Test while the unit is firing with a meter. you should have 24 volts going to gas valve. If you do and no gas is coming out, you have a bad gas valve. You will need a gas pressure test kit to install a new one correctly.

Posted on Dec 01, 2008

  • 6 Answers

SOURCE: Goodman GMP075-3 ignition problem

bad board,i have had several board failures on goodman

Posted on Dec 31, 2008

  • 232 Answers

SOURCE: I have a R150A heater that runs 3 to 5 minutes then shuts off.

Posted on Jan 03, 2009

  • 1 Answer

SOURCE: goodman gmnt100-4b wont ignite

I had the same problem. I had to remove a return air duct filter that i had installed and it worked just fine. The system needs plenty of air flow to operate.

Posted on Jun 17, 2009

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I have a sta rite 200 gas pool heater. Heater ignites and runs for about 1 minute and shuts off. After another minute it restarts.

Try removing the Thermal regulator. also make sure you have adequate water flow thru the heater. If the heater seems to run OK with the Thermal Reg removed then order a new one.
Pentair / Sta-Rite 77707-0010 Thermal Regulator Kit for MasterTemp / Max-E-Therm

Jul 16, 2016 | Sta Rite Pool & Spa

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Duo Therm A/C (2009 Sabre RV) won't shut off

bad compressor relay on control board. The relay is not opening the circuit, allowing the compressor to stay running when unit is turned off. This overheats the compressor and opens a thermal disk shutting the compressor off. When thermal disk cools down, the compressor restarts under load and trips breaker.

Jun 06, 2013 | Dometic Rooftop RV Air Conditioner

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My bolier gas supply is going on and off while the water is on

if the flame keeps shutting on and off while running hot water. it is more likely to be a failing thermal coupler, here is what a coupler does- it is always in the pilot light flame which acts like a thermometer. it goes from flame to the gas control, if it is failing or has failed, it will shut the gas off. as a safety precaution.

Jun 07, 2012 | Water Heaters

1 Answer

Burner lights for a couple of minutes and then goes out. it keeps repeating this every 15 to 20 minutes. is it the gas valve, the circuit board or what?

More than likely the thermostat, and/or ECO. When you drop cover down look for Therm, and ECO marked on a foam piece under pressure relief valve area. Shut ignition off first, then Carefully pull that foam piece off after removing spade connectors from THERM. Make sure little disc (thermostat) is up against tank good and making good contact. There should be a spring and clear retainer holding it up against the tank. If all looks good there, pick up another thermostat and replace it. They usually come on a card with both THERM and ECO and aren't too expensive. Don't mix the 2 up when changing them, as they are set at different temperatures.

Jan 09, 2011 | RTO Atwood DSI-RV Water Heater-6 Gallon

1 Answer

Have a problem with a laars mini therm ii boiler. the pilot keeps

hi. i have mini temp boiler 150 btu 5yers old . it is burning with know radiation .it is up to thempitio .but it will not shut off.flame is good radietor is hot ,help?

Nov 04, 2009 | Lite On Laars Lite 2 Heaters: 250,000BTU...

2 Answers

GMP075-3 looks good but shuts off after 10 seconds

Replace the thermostat control sounds like the control contacts are not holding since you cleaned the bulb and the igniter is working the only other issue is the thermal buld being bad, shut it off heat the bulb for three minuts then quickly turn it back on and see if it stays on longer if it does the bulb is the problem.

Oct 07, 2009 | Goodman GMS90703BXA Heater

1 Answer


Did you adjust the therm coupler to the flame correctly, even a little bit off can keep the pilot from sustaining.

Dec 06, 2008 | Heating & Cooling

1 Answer

PF flashing, but no power failure from house elec.

Hello archmom03,
Welcome to fix ya,

You said,
Dryer shutting down, then after a few minutes of a blank screen will flash PF, although there's been no problem with the electric supply to the dryer. It will allow me to reset and start again, but will do the same thing after 20 or 30 minutes of drying. Doesn't seem to matter if I use auto cycles or manual cycles. My dad and I went thru the schematic sheets and tried to trouble shoot. We replaced the thermal fuse--but still having same problem. Will replacing the main circuit board help or not? Hate to spend so much if that's not the issue. Thanks.

This is a big investment if that is not the problem.
I see my customers pump lots of do it your self money into their appliances before they call me.
And I wonder why if they are so thrifty they would waste hundreds of dollars by guessing????????????
I end up being 75 dollars service call and a 25 dollar part after they spent 150 to 200 on parts them selves. This is not a calculated risk.
My good advice is save your money and let the doctor do the surgery!
God bless you Huuum

Oct 07, 2008 | Kenmore Elite HE4 Electric Dryer

3 Answers

Maytag Neptune Dryer MDE5500AYW beeping and resetting itself

Ok , I replaced the control board. Still beeps continuously. Just sitting there, nothing else is on, just plugged in......beeep,beeeep,beeeeep,WTF man? I am about to turn this damn thing into an anchor and invest in more clothes lines! Maytag sucks. MAYTAG an acronym for...

May 16, 2008 | Maytag Neptune MDE5500AY Electric Dryer

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