Why Is My AC Fan Cutting Off and the Compressor Is Still Running?

by johnny
(Georgia)

Question: I turn my older roof air on and it runs fine and cools good for about ten minutes.Then the fan cuts off and you can still here the compressor humming.




Robbie: If the compressor is humming when the system shuts off you most likely have a relay stuck on your computer control board. Be sure you have an RV tech replace the board if it needs to be done. There are settings to be made on the new board and should be done by a Qualified tech. I suggest you turn off the curcuit breaker in your control Panel to the Roof AC to prevent damage to the compressor and call a tech ASAP. Hope this helps.

Thanks for the Question Good Luck,
Robbie

Comments for Why Is My AC Fan Cutting Off and the Compressor Is Still Running?

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Oct 17, 2015
Air conditioning electric problems
by: Roxie

My air is in fan only and acts like apowering up and down. What is the problem? Hope is the the most are on wall. Domestic brand .

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Robbie Warford, San Diego RV Repair

Hi, I'm Robbie. Welcome to Money-Saving-RV-Repair.com!

Like the name implies, this site is all about helping you save money while keeping your RV in tip-top shape--and that is all about you having the knowledge to do so.

I've been a technician in the RV industry for 30 years, operating out of San Diego, California. And let me tell you, I love my job.

But I also love empowering RVers with the knowledge they need to make the right decision on repairs, or to make the fix themselves--and that, my friend, is the reason for this website. I hope you enjoy.

Or, learn more about me, my RV service practice, & this website here.