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 > Clicking sound in front a/c - heat pump

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Tinstar

McKinney, TX

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Posted: 02/11/18 10:08pm Link  |  Quote  |  Print  |  Notify Moderator

I was out camping this past week and the temperatures were pretty cool. I had been running the heat pumps, front and back. The last night we were there, the front unit began clicking. It sounds like one of the fans hitting something as it's rotating. I would guess it's only clicking at a rate of a couple of clicks a second so it's not as fast as I would suspect a fan to be rotating. It's plenty loud and it is definitely a mechanical sound like metal to metal.

I haven't climbed up there yet and thought someone might have some input on what to look for. It may be obvious when I take the cover off but thought I'd ask anyway.


">Never pass up a chance to go somewhere">

rgatijnet1

Florida

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Posted: 02/12/18 06:20am Link  |  Quote  |  Print  |  Notify Moderator

You can change the fan speed to see if it speeds up or slows down. This might help to narrow down the problem.

dkreuzen

Lake Havasu City, AZ

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Posted: 02/12/18 11:53am Link  |  Quote  |  Print  |  Notify Moderator

Mine made a clicking sound but only when first starting or when turning off and the condenser fan speed was slow. I found that that fan had slipped on the shaft causing the fan to hid the shroud. Moved the fan about 1/4" and haven't had a problem since.


Dennis
2012 Monaco Knight 36PFT
2014 Jeep Grand Cherokee Overland
2005 Jeep Wrangler Unlimited Rubicon on 2007 16' Car Trailer


Pirate

Northeast Tennessee

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Posted: 02/12/18 04:27pm Link  |  Quote  |  Print  |  Notify Moderator

I wonder if it was ice buildup? The rooftop heat pumps don't have a defrost like residential. I bet it was ice. Next time take off the cover and look. Watch next day to see water running off the roof.

ORbiker

Springfield, Oregon

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Posted: 02/12/18 09:00pm Link  |  Quote  |  Print  |  Notify Moderator

I agree with the icing up thought. With the temperatures being pretty cool there is a good chance.


I (2-10-05) bought a 2002 F350 CC SWD PSD and a new 2003 Citation 10'8. I have been a tent camper all my life. I wanted more comfort while camping and CraterLake Ski Patrol.
It's time for more space. I purchased a 2016 Grand Design 380TH as of 10-29-2015.

Pirate

Northeast Tennessee

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Posted: 02/13/18 04:55pm Link  |  Quote  |  Print  |  Notify Moderator

Maybe Trainer will pipe in, he eats these things for breakfast.

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