My travel trailer a/c has always kept trailer cool. The fan works but a/c won't go on.
It has been tripping the breaker that our trailer is connected to. Also the power will drop and I can hear a weird buzzing or motor noise when I'm in rear of trailer by the electrical panel. I can't tell if noise is coming from roof or the fuse panel. My a/c is like my life line. Is it the compassitor? Also at one time there was a rodent problem (rats). I hope that this is a simple inexpensive repair. It was working but would trip the breaker of what it is plugged into. Now the fan works but a/c won't kick on.
Usually when the run capacitor goes bad it just goes bad, and the compressor will not try to start. What it sounds like to me is your compressor is trying to start, but can't, and this causes too much current to pass, tripping your breaker.
You can install a hard start capacitor for that compressor. That could very possibly resolve the problem. Or, it could be the compressor is just locked up so tight it will never start again.
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