Duo Therm AC and heat pump not working
We have a Dometic DuoTherm Ac with heat pump that's not heating or cooling. For over a year,there was a crackling noise when the compressor quit running, but it cooled and heated fine. Now, we'v...
Forum Discussion
First, go to the front A/C, and listen to it when it starts up. You should hear the fan blower start(air starts moving), and then about 2-3 seconds later, you hear a low rumble with a vibration that you can feel with your hand. This is the normal startup either for A/C or heat pump.
Now, you should do the same on the unit that's not working. You probably won't hear the low rumble/vibration. That's the compressor not starting up.
You've probably got a bad start capacitor, or bad compressor.
Now you hope that it's only a bad capacitor.
Now, you should do the same on the unit that's not working. You probably won't hear the low rumble/vibration. That's the compressor not starting up.
You've probably got a bad start capacitor, or bad compressor.
Now you hope that it's only a bad capacitor.
