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Old 05-22-2013, 06:50 AM   #1
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ROOF A/C @ campground going on and off

At a campground that we have been coming to over 15 years, same spot. 30 Amp. ELectrical question: Only thing on last night was refrig. Turned off water heater. So Turned on roof a/c. in rear. Compressor would go on - and meter said 18 amps. Then moments later it would kick itself off = I could hear clicking in the panel box and a/c would go back on. Reset all breakers. Same problem. So I turned off a/c and just put the fans on. Same things. Running only 8 amps total. Ever so often the fans shut off and go back on. Last night noticed when the compressor was going on my monitor display was going up and down from 18 - 52 back down to 25 it was going crazy. Then when compressor kicked on it stayed at 18 and then 3 minutes later it would kick off as if it wanted to turn off - but then came back on again. Never did this before. I turned the charger on, inverter on same thing. Any ideas why it would do this? We had the front A/C on all day and no problems. We tried the front a/c too and same thing would not stay ON without kicking itself on and off. Could it be low voltage coming into the coach? Will check the voltage at pole in the morning - but we were just here 2 weeks ago and had no problems.

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Old 05-22-2013, 07:05 AM   #2
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It could be power or could be a pedestal issue, maybe bad neutral. Try another pedestal?
My Progressive Industries PT50C senses these things for me.

Dave and Nola, RVM1
The Journey is Our Destination!

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Old 05-22-2013, 04:08 PM   #3
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Sure sounds like a campground voltage problem...
2014 Phaeton 40 QBH
2015 GMC Sierra SLT 4x4
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Old 05-22-2013, 04:26 PM   #4
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CG pedestal issue, most likely. I would discontinue using it.
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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Old 05-22-2013, 05:04 PM   #5
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Look to the pedestal - that is the problem. Parks with older wiring start having power issues and you need to have surge protection at the least and power management at the best. I also have the Progressive Industries EMS system which I added that saved my behind two years ago in Pigeon Forge. Wild fluctuations of power and the Progressive would not let power through. Management was called and had to have an electrician come replace most of the wiring in the pedestal which had burned through, not just the breaker.
Mel (Melanie) and Harry
2009 Tiffin Phaeton 40QTH
2014 Jeep Wrangler Sport
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Old 05-22-2013, 05:08 PM   #6
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I too will bet it's the pedestal. Have your tried disconnecting from shore power and trying to run things via the generator?

If you are in fact getting low voltage from the park power you could be risking damage to your electronic equipment without an EMS.

Best of luck.


Rick, Nancy, Peanut & Lola our Westie Dogs & Bailey the Sheltie.

2007 Itasca Ellipse 40FD
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campground, roof

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