Question about Goodman GMS90703BXA Heater

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Not igniting What does it mean if the red light is blinking five times?

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  • rwimberly005 Oct 14, 2008

    my red light is on an it stays on

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Open the blower compartment and read the lid, it gives the codes there.

Posted on Oct 11, 2008

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1 Answer

Furnace won't lite


Look at the code explanation either on the inside of the door or thru a peephole in the panel. It will tell you what 5 flashes means.
don-ohio (:^)

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I have a trane xl90 furnace that won't fire up. It runs through cycle and then the red light blinks. Ignitor is good but doesn't get red hot at all know.


look on the wiring diagram on the furnace blower door cover. it,ll show u the fault codes according the amount of blinks u are getting. trhat furnace is self diagnotic. ex2 quuick blink plus one slow blink mean code 21. look up 21 and it might say, igniter, so on so forth

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Furnace blinks seven times lockout do to retries will light up for 5 second then it turn off


7 blinks means unit is locked out it will stay locked out for one hour then try to light again it will try two times before lock out. Possible causes. Low gas pressure, Faulty gas valve, Faulty hot surface ignition or burner problem may cause this. Most common is Hot surface igniter.

Nov 18, 2014 | Heating & Cooling

1 Answer

Have a gmp 125-5 furnace and light blinks 5 times


Here what i found , five LED flashes to mean your furnace senses a flame without a call for heat. This could be from a gas valve closing slowly or a burner flame lingering.

Mar 29, 2014 | Heating & Cooling

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Goodman heater red light blinks 5 times is a blower heater, it says is the sennsor flame, i keep changing it but it keeps burning it over and over doesnt work


Interpret five LED flashes to mean your furnace senses a flame without a call for heat. This could be from a gas valve closing slowly or a burner flame lingering

Nov 05, 2011 | Goodman GMS90703BXA Heater

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What does a Ignition Lockout (red LED blinking 3 times) mean?


The flashing light is the service code telling Joe blow that there is something wrong. As you didn't tell me the brand of car I can't tell you what that code means. Some cars will trip out a code based on milage. ( Company Scam ),

Please reask with more details. THX Ash.

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1 Answer

Coleman echelon 9.T furnace will not turn on. Red light blinking


sounds like it is the pressure switch try jumping it out on some models you fool the heater in too working or see if the tubes are blocked , there should be some codes on the front panel or the fan panel

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Gmp100-4 initer lows and I can hear gas for a few


The red blinking light just means that it went into lock out mode from to many attempts to start. If your igniter is glowing and you do hear the ''hissing'' sound, than your problem is there is no gas or not enough. When installing a furnace for the first time, you some times have to bleed the gas lines, other wise you get the exact same problem your having. If you have a flexible gas line, unscrew one side with the gas on to bleed off the air in the system, if it's all hard pipe, you will have to undo the union and bleed it that way. Hope this helps and good luck!

Mar 13, 2010 | Goodman GMS90703BXA Heater

2 Answers

Ruud furnace Model URKA A030jK08 Code opt 589


Flip the lower panel over and look for a wiring diagram. On that diagram there will be a diagnostic chart. Let me know what 5 blinks represent. Then I want you to read on.

On a call for heat, the 24 volt thermostat sends a signal to the control module. The control module will indicate a call for heat with a light on the control either blinking or remain solid depending upon model. The inducer (exhaust) blower will purge all gasses from the furnace and pressurize a pressure switch. Once the pressure switch tells the module to continue, the electronic ignition will energize and send 120 volts to the igniter. The igniter will glow and you will be able to see it if viewed thru the small inspection port. Once the igniter gets hot enough, it sends a signal to the module opening up the gas valve (24 volts). Either a pilot will come on or the burner tube will ignite then spread the flame to all burners. Lastly a safety sensor will be looking for a certain temperature within a few seconds and the furnace will continue to operate and the room air blower will turn on in a minute or two.

What could go wrong? The unit will not run if there is no signal from the thermostat (bad thermostat or broken wire), the control module does not sense a signal from the thermostat (bad control), the inducer does not energize (bad motor), the pressure switch does not close (blocked vent piping, bad switch, plugged condensate hose), the igniter does not energize (bad control, bad igniter), the gas valve does not open or there is no gas (bad gas valve, broken wire, no gas), the pilot does not light (dirty pilot), the burner does not light (bad burner, plugged orifice, not enough combustion air), the flame does not spread to each burner (bad flame spreader, dirty flame spreader, more bad burners), the flame safety sensor does not detect flame (dirty or bad flame spreader, bad flame sensor, broken wire, bad control), or the room air blower does not energize (bad fan motor, bad control).

Nov 23, 2009 | Heating & Cooling

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