Originally Posted by dblr
Don't take this the wrong way but is your fridge plugged in in the back, a friends brand new unit was not from the day he bought it and took him a while to figure out why he was going thru so much propane. Good luck with your issue Herk seems to be giving GREAT advice.
"Not plugged in" only affects the 120 volt heater.
It has no affect on the DC/Propane side at all as your friend found out.
As long as the unit is not cooling on DC/Propane either, the issue is on the control/cooling system.
The fin thermistor does not need to "touch" the fin to work. It works by the height above the floor of the fridge as it measures the air temperature and only uses the fin as a mounting place. Sliding it up and down changes the level in the fridge it measures the air temperature at.
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