Yesterday we noticed the house getting warm, we checked the air and sure enough the unit outside wasn't working... My neighbor does hvac and told us to check the disconnect for bad fuses, and check the breaker. Sure enough the disconnect was fuseless and the breaker was tripped. Pulling out the disconnect it crumbled apart in my hand so that got replaced easily... Turning it back on the breaker trips immediately as soon as the unit tries to start.
My neighbor comes at this point and opens up the unit. He says it could be the capacitor. Changes that, still nothing. Tries a hard start, same thing... Anything he did immediately tripped the breaker. I didn't see him test it because I was going back and forth turning the breaker on every time but he said he checked the compressor and the compressor was grounded.
However, the one thing that seems odd to me is that the fan was spinning slowly when the unit was getting power but did not try to start. Once it tried starting then the breaker would trip. So could a grounded compressor cause the fan to spin slowly? He said it was spinning backwards, I don't know.
Now this is a 15 year old R22 unit... Is it worth changing the unit or compressor and keeping the old blower/coil, or is it better to get a whole new she-bang installed?
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