Question about Goodman GMS90703BXA Heater

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Goodman furnace blinks four times

What does this mean and how much will it cost to fix. Can i fix it myself.

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If the main limit switch is bad, the part is cheap and you can replace it. If the main limit switch is not bad and is activating for a reason, you probably need a professional.

Posted on Jan 18, 2009

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1 Answer

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1 Answer

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the pressure switch is closed before the draft motor closes it.the board is telling you that this is not right.pull the wire(either) off of the pressure switch to see if furnace tries to light.if it does,you should replace the pressure switch.

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