A/C Quits-no power???

TN Boatman

Member
Aug 31, 2017
44
Maryville, TN
Boat Info
1998 Sundancer SE
Engines
7.4MPI B3
1998 Sundancer-A/C has stopped working. Will not power on. All other items at panel (outlets, AC Converter, Microwave, etc.) are working fine. With main and A/C switches on, the unit/thermostat will not power up. I have looked everywhere for a breaker specific to the A/C and cannot locate. Is there one I'm overlooking? Anyone know the reason the entire A/C system would just quit-no power? Where else should I look?

I do not have genny so only on shore power.

Thanks!!!
 
Just because you show no power at the thermostat , doesn't mean theres no power at the unit !


Yes you need a voltage meter.
 
Is power getting to the control board? Does the relay click when AC is called for from the control panel? If yes to both, then I would personally next test the start capacitor.
 
Follow the power from the hot side of the breaker through the system. For it to just stop altogether, power is interrupted somewhere along the line. Good luck.
 
Follow the power from the hot side of the breaker through the system. For it to just stop altogether, power is interrupted somewhere along the line. Good luck.
Just had it checked out. 120v at panel and 13v at unit so a breakdown along the way. Pulling new wire to unit so hopefully will be good. Don’t really need other than has to be running to winterize.
 

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