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NO POWER TO DOWNSTAIRS FURNACE NO FAN NO AC ??

THE FAN WAS RUNNING FINE ALL DAY, I SWITCHED TO A/C AND THE UNIT DOWNSTAIRS STOPPED. I HAVE NO FAN NO A/C AND NO POWER TO DOWNSTAIRS UNIT. BLOWN FUSE ??? WHERE ?

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What brand? most likely fuse is blown on furnace control board if there is no fuse then transformer could be blown sounds like a short in system look for bare wires at ac unit small wire outside especially if your have dogs around ac unit

Posted on Aug 25, 2009

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