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New 95% goodman keeps giving Code 1

I have a Goodman heater that will not do a full cycle without shutting down? it runs for a few mins and then shuts down and gives code 1. If i shut it down by shutting all power off to the heater, it will refire for a few mins and shut down again.

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  • billcol Dec 29, 2007

    MODEL # GMH950904CXA



    It does exactly as you stated above, but before it hits the thermostat temp it shuts down, it runs for about 5 mins than it give the time out code. It does not even try to restart. It has worked for the last week or so and now it is doing it again. At first i thought that the wind was shutting down the power vent but that has nothing to do with it, we have not had any wind around here for a few days. please help

  • al7338 Jan 08, 2009

    my goodman furnace keeps shutting off the led flashes 3 times and then it shuts off it seems to be pointing to the low pressure switch? is this adjustable at all? can anyone help?

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Not having a model number to help you with, I can only give you generic info. Typically a flashing 1 represents that the furnace has exceeded its allowed attempts to start. Not much help. If I can suggest removing the access panel on the furnace and tape down the door safety switch. That being done, have a helper turn up the thermostat and you get your head inside the furnace cabinet and document what it does. It should first blink on the LED indicating a call for heat. Next the inducer blower should start up (the small blower hooked to the exhaust pipe). Next you may see an orange glow where the burner is. There should be a small clear port where you can watch this. Next some clicking should be heard from the gas valve. Then the orange glow should turn to a blue flame. This flame should travel all the way right and left igniting all the burners. Then it should stay on until the call for heat is satisfied.

After doing this and with your model number, get back to us and we may be able to pin-point your issue.

Posted on Dec 24, 2007

  • Chandler Ede
    Chandler Ede Dec 30, 2007

    You could have a bad limit switch. This switch is designed to shut off the furnace in case of too high of temperature. Trythis link to get your instalation and owners manual, it may help you.



    http://www.dnmech.com/furnace_info_older...

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