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Old 10-19-2016, 06:07 AM   #1
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Heat Pump going out?

I have a 3 month old 2017FC FB with the combination ac and heat pump. We've been on a trip the last three weeks and have used it several times as weather got cold. In NC now, and yesterday my EMS PT-30 surge protector started taking everything offline for low volts. I had camp check post and didn't see anything wrong there FWIW. This morning set heat pump up to get it warming and within minutes EMS opened up. I turned off water heater and it opened again. I then set fridge to Lp. Same thing. I watched EMS cycle and voltage dropped to around 109 108, but amps climbed once HP kicked in. 19, 20, 22 over a few minutes till V triggered EMS.
We're moving today so will be able to check at another camp. Just noticed HP got to set temp this time and V came back up to 118 and A down to 4. I'm worried HP could be problematic but hold out hope this camp site may have issues. Will check tonight.
I didn't see a AC/HP area in the forums so placed here.


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Old 10-20-2016, 03:43 PM   #2
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Two campgrounds later and systems are working normally. I sent a note to problem campground suggesting they look into grounding or connection issues with that site.


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Old 10-20-2016, 06:12 PM   #3
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Heat Pump going out?

I've had worn out 30 amp pedestal connections do that. Be glad your EMS cut out before your plug contact melted the plastic from excess heat. I've seen them toasted black, cracked and distorted and the plug just falls out, they are so bad.

Good idea to have a close look at the receptacle with a strong light before you plug in. If the plug feels loose, that's also a bad sign.


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Old 10-20-2016, 08:32 PM   #4
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This is one reason I strongly suggest to people they get 30-50 amp adapter, if all they have is a 30 amp trailer. You can plug into the 50 amp outlet, if there is one at the campsite, and verify if the plug/connection is the problem.
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Old 10-21-2016, 02:36 PM   #5
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I do that too, knowing that the 50A circuit will have larger wire to box. Thx
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Old 10-23-2016, 09:28 PM   #6
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For future trips you may want to look into a surge protector. Many have over and voltage protection.

Check out progressiveindustries.net

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