Rooftop AC fan barely moving
Edit: the fan also makes a noticeable and constant humming sound when it's running Our last renters ended up having a problem with the rooftop fan "we seem to have lost all power in the ac over ...
Forum Discussion
RV air conditioner (and it always helps to know make and model) doesn't use a Start Cap on the Fan. The value of the Fan Run Cap will be the lower of the two. Say 5-10 mfd for Fan and 35-40 for Compressor. Compressor may/may not have a Start Cap in addition to Run, but will always have Run.
A new or known good Fan Cap sounds like a pretty safe bet to begin your troubleshooting. If it wasn't running up to speed, it could also cause the evaporator core to freeze up.
A new or known good Fan Cap sounds like a pretty safe bet to begin your troubleshooting. If it wasn't running up to speed, it could also cause the evaporator core to freeze up.
