goodman heat put, blowing 3 amp fuse


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Old 02-03-16, 05:58 PM
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goodman heat put, blowing 3 amp fuse

I had a goodman 2.5 ton heatpump system installed last summer. The A/C worked without a problem at all, but when I try to switch over to heat it instantly blows the 3 amp fuse. Now I have narrowed down this issues to the blue wire(which is my common wire) I can have the blue outdoor unit connected to the blue indoor unit and it will not blow the fuse, but as soon as I put the blue (common) thermostat wire into the equation it blows out the fuse. Now I have tried a few things already. I replaced the wire and hooked the thermostat up with a 12" piece of thermostat wire with the same results, I even for the hell of it switched the common wire to a spare wire I had extra just to double check that there is no short in the wiring. So my issue has to lie somewhere else. Without the common wire connected the A/C will kick on fine, compressor runs and everything just fine. However in heat mode the air handler will kick on but the compressor will not.

Could there possibly be a short in the blue line leading out to the compressor? If that was the case I would feel like it would short out with that one connected inside, which it is not. Anyone have any ideas?
 
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Old 02-03-16, 07:27 PM
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Nevermind, after all this time messing with it, it turns out, the thermostat wasn't working correctly. Switched out the thermostats and the heat kicked right on.
 
 

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