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Old 05-14-2015, 10:39 PM   #1
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AC will not come on

Camping this weekend and the ac on our Roo23SS will not run. Plugged into 50 amp circuit. Reset breaker. Pulled fuses and they look fine.
Blower will run but the compressor will not come on.

Looking for ideas and suggestions.
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Old 05-15-2015, 07:34 AM   #2
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Sounds like the compressor is locked up. Just had mine replaced for the same issue. Mine was brand new, 1st time using it.
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Old 05-15-2015, 07:35 AM   #3
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You could always have a mobile repair man come. Might get lucky and it be a relay or capacitor.
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Old 05-15-2015, 07:59 PM   #4
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I recall getting a click by either sound or feel when I adjusted the thermostat. Now I do not. Unit has the basic thermostat control.
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Old 05-15-2015, 08:03 PM   #5
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Also tried to fire up the heat. Furnace does not come on. Bad thermostat?
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Old 05-15-2015, 08:32 PM   #6
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Tested the voltages. Between ground and ac only getting 8.5 volts. Other spots like fan, getting 12.
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Old 05-15-2015, 09:06 PM   #7
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maybe turn it off and let it sit for a while
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Old 05-15-2015, 09:34 PM   #8
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Turn the thermostat OFF then try unplugging the 50 power then disconnect the battery. Yes take both the + and the - cables off for about 60 seconds. Reconnect the battery then Plug the power back in and turn the AC back on.
I was told this by a long time RV Service Manager and it acts as a "reset". It has worked for me.
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Old 05-16-2015, 01:11 PM   #9
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I was in the AC business for 40 years,,,,,so my experience in what you're saying is that IF the fan runs when you have it on "Auto"......zero in on the AC package itself. It's getting electricity,,,,,,so I've found many a capacitor causing the problem you're describing.
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Old 05-16-2015, 01:27 PM   #10
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"Pulled fuses and they look fine. "

Fuses are for 12VDC items. Air conditioner is a 110VAC appliance. You need to find and check the Circuit Breaker that controls your air conditioner. Once you figure out which is the correct circuit breaker, switch if off (it may not be obvious the it's been tripped). Then switch it back on.
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