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Old 08-20-2006, 10:37 AM   #1
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1977 31' Excella 500
plano , Texas
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Dometic RM100 tripping GFI

When I run my Dometic off of 110v through my garage outlet, it trips the GFI outlet. If I use a non-GFI outlet, the unit cools properly. Should this concern me? I have verified that the outlet the fridge plugs into is wired correctly. I have also verified that the wiring (white/black) is connected correctly to the unit. Any ideas of why this is happening?

-thomas
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Old 08-20-2006, 12:22 PM   #2
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madison , Wisconsin
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ts

it is very possible your heating element is shorted to the case of the fridge but still operating.

replacing the heating element may fix it, i would exchange your gfi first as they do wear out and get erronious trips.

if the problem continues i would change the heating element out next. they are about 30 dollars from most rv places and easy to change.

john
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Old 08-20-2006, 01:50 PM   #3
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1979 31' Excella 500
1975 28' Argosy 28
Rutledge , Georgia
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Hi, Thomas,

There seem to be two types of heating elements that have been used in RM-100s - the cartridge type and the pencil type. The cartridge type, according to pplmotorhomes, in no longer available.

I ordered the pencil type, and it was correct for my 1979 model. The part number there is

173720012

and I paid $44.84 for it. I had to get them to match it up by wattage, so maybe this will save you a little time.

Good luck,

Lamar
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Old 08-21-2006, 10:01 PM   #4
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1977 31' Excella 500
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Red face Problem found

Well, the power cord had a break in it. If you whiggled it just right (or actually wrong), the neutral would be open. I replaced the cord, and it is working perfectly. Thanks for the help.

-thomas
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