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acker1's avatar
acker1
Explorer
May 03, 2014

Roof air questions--now need motor info 5/6/14

Dometic 13,500. When I turn the AC on or only the fan on the coach, the breaker for the AC trips. Changed the breaker (20amp) and still the same. Cannot find anything wrong with any wiring. Fan is tur...
Chris_Bryant's avatar
Chris_Bryant
Explorer II
May 03, 2014
The only way a bad fan a capacitor would trip a breaker is if it is shorted to the case- an easy test. Just pull the wires and test for continuity between terminals and case.
If it blows right away, it sounds like a dead short, or shorted fan motor. Either way, it's a matter of elimination- it could even be a short in the control box.

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