Difference between a start capacitor and a run capacitor?
My rooftop unit's fan runs fine but sometimes the compressor won't come on. I hear a faint click but it won't engage and doesn't blow cold. Would this be a start or run capacitor issue?
Forum Discussion
An RV A/C WILL have two RUN capacitors. They may be in one shell, but there are still two RUN capacitors. One for Fan, one for Compressor. In addition there MAY be a Compressor START Capacitor. Maybe even Often, or Usually, but not Always.
The confusing part is the Compressor won't START with a bad RUN capacitor. Additionally, Compressor won't start if it HAS a START capacitor but it's bad.
The confusing part is the Compressor won't START with a bad RUN capacitor. Additionally, Compressor won't start if it HAS a START capacitor but it's bad.
