Dometic RM2214 frig/freezer not cooling

[hutchwv]

I have a Dometic RM 2214 refrigerator that we only use on AC/Shore power. The last time that we used it, it worked fine, now, 1 month later, it will not cool in either the freezer nor the refrigerator.  Inside light goes on so I know that power is getting to unit---any suggestions??
BTW, it is in a 1990 Tioga Arrow and I suspect that it is original equipment

 

[Rene T]

Welcome to the forum.
Have you tried it on propane. You should. That will tell us whether it's working or not. 
Have you looked to see if you have 12 volt power going into the back of the fridge?
Have you checked the 110 volt circuit breakers and the 12 volt fuses?

Leave it on for at least 24 hours before deciding whether it's toast or not.

 

[grashley]

The fridge requires two power sources.  The battery provides 12V power for the control circuits and light.  It tells the 120V heaters when to turn on and off.  Since the light works, the 12V power is getting to the fridge.

The second power source can be either 120V heating elements OR propane.

Try it on propane to see of the fridge works.  If so, the problem is on the 120VAC side.  It could be a circuit breaker or heating element.

 

[Gary RV_Wizard]

The most obvious reason for it not working on 120v electric is a tripped circuit breaker in the RV. The second is a blown fuse on the fridge circuit board (usually a 5A fuse), and the third is a failed heater element.

When you say it "will not cool", do you mean no change in temperature at all, or that it doesn't get cold enough to keep food cold. If there is some cooling, then we know that most of the parts are functioning. If none at all, it could be a larger number of things. And if propane works when electric does not, that narrows it down further.