Quote:
Originally Posted by tjpolsin
And my GFI is located in my garage high and dry.
operating the refer with the battery disconnected caused the gfi to trip - twice.
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A GFCI operates by sensing current on both the hot and neutral wire. If the current returning on the neutral wire is less than the current flowing out on the hot wire, the GFCI thinks that the missing portion of the current must be flowing through you (or a faulty piece of equipment) to ground and it trips. So it stands to reason that anything on the load side of the GFCI could be causing the problem. Now that I have stated this, try a few things.
1. Remove the grille on the outside of the TT behind the fridge and you should find a single 110v recep that the fridge is plugged into...unplug the fridge and see if the GFCI trips. If the GFCI holds, plug the fridge back in and see if it will trip. Try this with the control switch on the fridge in both the OFF and AUTO positions.
2. If it passes test #1 then it must be a different 110v circuit that is causing the problem so repeat the test with each circuit on the trailer until you find the culprit.
The strange part of your problem is that you stated the fridge will run on AC power for about 15 minutes before the GFCI trips.
Currently my trailer is plugged into shore power (GFCI), the battery is disconnected, and the fridge is running on AC (switch in AUTO position) so one could conclude that having the battery connected is irrelevant.