Question about Ruud Matching Split Air Conditioner

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Gmp075-3 furnace burners ingnite then shut down

I have a gmp075-3 when you go to turn the heat on the burners ingnite like there supposed to all three light up then after 10 15 sec they shut down it will do this over again and then the blower will come on anyway and it will blow without the burners on also during the summer i notice even with the thermostate switch off the blower would come on by it self off and on usally i would call a tech out but my wife was laid off so money is tight but i am diseal tech and im pretty electrical and mechanicaly incline if someone can point me in the right direction i will greatly apppreciate it. Its starting to get cold down here i memphis. also i heard there supposed to be a fault light on it and where would the location of the circuit board be thank you for your time

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Ok check yoour air flow sounds like its tripping out on high temp
the blower comes on too cool the eqipment
you may need to clean the coils on top of the bloower

Posted on Oct 05, 2009

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I would try cleaning the flame sensor. I also have a ruud furnace and it has done the same thing. Take a piece of sandpaper and . clean the sensor. It does not recoginize the flame and shuts the gas off. This is why it will start and then shut off.

Posted on Oct 06, 2009

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