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Old 09-04-2016, 03:45 PM   #1
Join Date: Nov 2015
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Air conditioner issues

We moved our 2015 Cedar Creek to an RV resort Friday and did basic set up of leveling, hook up, slides and turned on air conditioners. Yesterday we were there for a bit and the AC was working fine. Went out there this morning and the ACs were cooling nicely. We left for a little while and when we went back the RV was 80 inside.

The bedroom unit was running but not blowing. The rear living room unit wasn't running at all.

Thinking they may have froze up. We turned the units off for a while including the circuit breakers. My husband talked to his friend who is a certified RV tech who said shut them down, cut power to the unit, pull thermostat panel off and remove glass fuse for a minute then put it all back together in reverse order. We did everything but couldn't find a glass fuse in the thermostat. So none of those steps have seemed to work and the ACs are in the same state.

What do we do now short of taking it to the shop?

How do two AC units go out at the same time? They've been working great until today.

Please help! We are in the process of moving out of our house and are supposed to start full timing on the 15th! We will be totally screwed if it takes the shop more than a week or so to fix the ACs.

We've got Good Sam's extended warranty so we would have to have it fixed at Camping World I assume but we bought it gently used from another dealer here in town and its past the 30 warranty with them.

What do we do?

2015 Cedar Creek 38CK
2015 Silverado 3500HD Diesel Dually

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Old 09-04-2016, 07:25 PM   #2
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Are you using any kind of power management system? If not, are you sure you are getting clean power to unit? No low voltage etc. A surge or brown-out may have damaged circuit board or thermostat.

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Old 09-06-2016, 02:28 PM   #3
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X2. Bet it's a power pole problem.
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Old 09-06-2016, 03:38 PM   #4
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My understanding is that 2 ACs require a 50 amp plug. If it has an onboard generator start it and see if they run.
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Old 09-07-2016, 05:58 PM   #5
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We have an inline surge protector between the RV and the park 50 amp power supply. All lights on it were green but that's all I know about how much we were pulling.

Our RV technician friend went yesterday to look at it and both units were working fine. He looked at every possible issue and seems to think that maybe the power supply to the camper dropped below the 50 amps needed. Not sure how that happens or how to keep it from happening again.

2015 Cedar Creek 38CK
2015 Silverado 3500HD Diesel Dually
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Old 09-07-2016, 06:06 PM   #6
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Originally Posted by raineman View Post
My understanding is that 2 ACs require a 50 amp plug. If it has an onboard generator start it and see if they run.
Nope, I regularly run two 15K heat pumps off a 30 amp circuit. I do have to be careful what else I turn on though.

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