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Old 05-19-2013, 05:36 PM  
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Default a/c defrost cycle

I have a problem, when I disconnect the black wire to the defrost board. the fan does not come on. I think the unit is still stuck in defrost or I have a bad defrost board. It is a Goodman HP unit. Contactor is not engaged only fan rotates at about 1/3 the normal speed, even with the thermostat off.

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