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Goodman furnace red light stays on - Goodman Heating & Cooling

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 189 Answers

SOURCE: I have a goodman gmpn 100-4 REVB furnace that will not stay lit

If the igniter lights the burners the ignitor..... is not bad. Its like a light bulb.... it works or ot doesn't.
You are describing a dirty flame sensor. Dishonest contractors will sell you a new ignitor but clean the flame sensor when the are installing the ignitor. It is located at the opposite end of the burners than the ignitor. It has one wire going to it. Remove it and clean the rod with a piece of fine grit sandpaper. this should be done every year before heating season.
Good luck

Posted on Mar 29, 2009

Therinnaiguy
  • 1420 Answers

SOURCE: have a goodman furnace wont fire check light

Probably not, take a small piece of wire and open up the furnace. On the control board find the R and W terminal. It's ok to touch the terminals because the door safety switch will be open. Take that small piece of wire and jump the R and W terminals. Then hold in the door switch to see if the furnace starts. It may take 30 seconds or so so tape the switch closed. If the furnace starts you have either a bad thermostat, broken thermostat wire or a lose wire. If it still does not operate, you have a bad circuit board.

Posted on Oct 23, 2009

  • 2976 Answers

SOURCE: Need to find the pressure switch on my goodman furnace

It's mounted onto the gas valve. It will be a button or lever that you have to push in or down, depending on the style.

Posted on Nov 20, 2009

  • 26 Answers

SOURCE: goodman furnace, inducer blower comes on, but

In the burner compartment opposite of the ignitor is the flame sensor. seems to be dirty. one screw holds it in. Remove and clean with a wire brush.

Posted on Nov 21, 2009

Therinnaiguy
  • 1420 Answers

SOURCE: I HAVE A 45000 BTU GOODMAN FURNACE RED LIGHT

There may not be a call for heat being registered by the control board. Take the R and W terminals on the control board and put a jumper between the two. If the heater starts, you have either a broken thermostat wire or a bad thermostat or connection.

Posted on Jan 25, 2010

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1 Answer

Replaced the gas valve in my goodman furnace now it won't light and red status light stays solid


solid means it is on stand by, no call for heat, put jumper wire between r and w it should start, if it does check t- stat

Oct 27, 2015 | Goodman Heating & Cooling

1 Answer

I have a goodman propane furnace, model # GMPN080-4 that lights for about five seconds and then cuts off. It does this three times and then stops all together. Tried lightly sanding the flame sensor and it...


The goodman furnace will try and light three time before it faults out for safety reasons. Adjust the flame sensor so that it is closer to the flame or actually in the pilot flame. If the flame sensor is inside the pilot flame and still does not stay lit, your flame sensor is probably defective and should be replaced. You can get one at Ferguson's counter sales.

Dec 12, 2010 | Heating & Cooling

1 Answer

Goodman furnace model # GMNT100-4B On vacation neighbor checked house house filled with gas. He shut off main and furnace. Came home turned on gas to everything except furnace. All good. Furnace will not...


from my experience with goodman units ,it could have been a gas supply problem there are so many protective sensors that i dont think it is the unit by the way is it electronic ignitor or pilot

May 14, 2010 | Goodman GMS90703BXA Heater

1 Answer

Goodman furnace model#GCH90904CXAB the red light


This model is equiped with a diagnostic error control. Take off the front panels and look for a wiring diagram pasted on the reverse side of the panels. On this diagram there will be a chart telling you what 4 blinks represent and where to start looking for the issue. I suspect the air filter may be dirty or the pressure switch may be bad, however make sure the condensate hoses are free of any debris. Good luck to you!

Apr 25, 2010 | Goodman Heating & Cooling

1 Answer

Goodman furnace model # GMNT100-4B On vacation, neighbor checked house, house filled with gas. He shut off main and furnace. came home turned on gas to everything except furnace. All good. Furnace will...


Solid red typically means bad controller. Try unplugging the furnace, wait about 30 secs, then plug it back in. The possibility that the controller was sending voltage to the valve even when there was no flame is a bad sign. If the controller starts the furnace, watch it very closely and see what it does. If the solid light comes back on, it's time for a new board.

Mar 24, 2010 | Goodman GMS90703BXA Heater

1 Answer

I HAVE A 45000 BTU GOODMAN FURNACE RED LIGHT


There may not be a call for heat being registered by the control board. Take the R and W terminals on the control board and put a jumper between the two. If the heater starts, you have either a broken thermostat wire or a bad thermostat or connection.

Jan 25, 2010 | Goodman Heating & Cooling

1 Answer

Goodman furnace, inducer blower comes on, but surface igniter does not turn red, then kind of goes thru a cycle then igniter gets red burners light and then go out for no reason. Blower motor comes on @...


In the burner compartment opposite of the ignitor is the flame sensor. seems to be dirty. one screw holds it in. Remove and clean with a wire brush.

Nov 21, 2009 | Goodman GMS90703BXA Heater

1 Answer

Have a goodman furnace wont fire check light staying red no errors and i cant smell gas but my gas is on could it be there limiter switches there two upper and lower please help


Probably not, take a small piece of wire and open up the furnace. On the control board find the R and W terminal. It's ok to touch the terminals because the door safety switch will be open. Take that small piece of wire and jump the R and W terminals. Then hold in the door switch to see if the furnace starts. It may take 30 seconds or so so tape the switch closed. If the furnace starts you have either a bad thermostat, broken thermostat wire or a lose wire. If it still does not operate, you have a bad circuit board.

Oct 16, 2009 | Goodman GMS90703BXA Heater

2 Answers

Goodman GMP100-5 Rev Furnace Manual


I don't know where you are located, but there is a Goodman distributor in Sacramento, CA. Also in Ontario CA. They are a distributor so they may be able to help you or tell where to find someone who will help. Goodman is also known as GMC or Janitrol.

Jan 07, 2008 | Goodman GMS90703BXA Heater

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