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WHEN UNIT CALLS FOR BLOWER TO COME ON, YOU CAN HEAR BLOWER MOTOR RELAY CLICK LOUDLY ON BOARD BUT DOES NOT COME ON...... CHECK LEADS COMING OFF BOARD TO BLWR MOTOR AND WAS GETTING NO POWER..... IM THINKING THE BOARD IS BAD( OR RELAY ON BOARD) AND THIS IS HAPPENING IN COOL, HEAT, AND FAN ONLY MODE

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  • joshua_wilki Nov 11, 2010

    YES BUT THE RELAY IS HARD WIRED IN ON THE CIRCUIT BOARD

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I believe that you are exactly right. If you would like to know the part number and cost of the board, just give me the brand of the unit and the model number. I will find the cheapest place to get the board.

Posted on Nov 11, 2010

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Hopefully the problem is with the relay.The relay is a small usually black cube shaped electrical part plugged into the motor or wired to it nearby. It may appear burnt or rattle when shaken if it's bad. The two connections should show continuity with an amp meter. If it's good then it's most likely the motor causing the problem.

Posted on Nov 11, 2010

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