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I am working on an older reehm furnace a corsaire.

I replaced the main control board. the control light stays green. the yellow dose not light up. the burners come on as they should but the whole thing shuts down after about 15 seconds. I have all the right voltage in the right places and all the safty controls check out to be good. the two fan motors run also. the ignighters are both in good shape and glow. I cant figure out why it wont stay lit. Have I overlooked somthing? any Ideas?

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Either the sensor is dirty or bad,clean the sensor first if that doesn'y work replace it

Posted on Dec 29, 2008

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on the motor:
White is the neutral and must be plugged in to one of the 3 neutral slots on the control board (usually on the left side of the board)
The other 4 wires (black, red, yellow, brown) are power to the motor and should be connected to the appropriate pins on the control board.
ref: http://www.rheem.com/docs/FetchDocument.aspx?ID=d0613a32-db55-4e32-abfd-04e89e72f7a6

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