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Old 05-21-2018, 06:55 PM   #1
Wayner197
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M.O.C. #21715
Samsung Residential Fridge tripping Inverter GFIC when NOT on shore power

I have a 2018 Montana 3721RL with a Samsung residential refrigerator. The fridge runs fine when connected to shore power. When I disconnect shore power the fridge is suppose to run on battery power via the 2000 watt Inverter. The fridge will run for about 10 minutes or so then it trips the GFIC located directly on the 110v outlet of the Inverter. This is a "test/reset" button located just between the dual 110v Inverter outlets. I get no fault codes on the Inverter's LED read out. the battery voltage (with the truck running and plugged in) is between 12.1v and 13.1v depending on if the fridge is running or not.
Bottom line is - the fridge is warm after a few hours of driving. The CW dealer claims the Inverter is performing normal (not sure how they can determine this since they cannot hook it up to a vehicle and actually road test this issue).
How can I get this resolved?
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Old 05-21-2018, 09:08 PM   #2
masterdrago
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M.O.C. #20587
There is pretty much no easy way to get to the power cord - of the frig... but you can unplug the power cord at the inverter output gfci and using an extension cord, run it over to one of the gfci protected outlets in the RV. If the frig runs okay on another gfci (could even run it to one in the sticks & bricks), it ain't the frig that is causing the issue. It is the inverter.
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Old 05-22-2018, 05:53 PM   #3
Wayner197
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M.O.C. #21715
Thanks but you would have to be hooked up to shore power to test the fridge in this manor. The fridge works fine when hooked to shore power. Am I correct?
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Old 05-22-2018, 07:40 PM   #4
masterdrago
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M.O.C. #20587
What I'm suggesting is to eliminate the gfci on the inverter but have the refrigerator connected to another gfci - either one in the RV or one at your home (sticks & bricks). I'm not sure if the circuit for the refrigerator is wired through a gfci in the Montana - it should be. So, if it is not tripping another gfci, we can eliminate problems with the refrigerator. Thus making the problem the inverter.
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