So heading back from the rally I noticed a few days ago the temp in the fridge section of my Norcold would no go below 39F even when I set my set point to 7 or 8. Normally I run a set point around 4 or 5. The freezer held temp no problem around 0F but after a day or so, the fridge was climbing into danger territory of 45F.

Finally decided to change the mode from Auto (A/C) to for LP and with in an hour the temp of the fridge was back down to an acceptable 34-36F.

Any clue? What would cause the fridge on A/C to not chill but on LP it is OK? I checked the drip pan in the back, bone dry, and nothing blocking the anything in the back.

The 3 weeks I was underway for the rally it all worked fine switching between A/C when plugged in and LP underway.

Hoping for an easy fix.....

Probably not the issue but did you check to see if the fan(s) in the back used to move air across the top coils and evacuate the heat are running? At the rally ours seemed to be running all the time. I haven't been in the refrigerator electrical box/main board in a while but there are a couple of fuses in there.

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Thanks, I'll check it out.