If your fridge cooled ok before but is not cooling like it should now this could be the issue.
Dometic fridge 12v not working.
The refrigerator has to have 12 volts power to run on propane or 120 volt power to run without propane.
The second thing you need to understand is that the refrigerator will not cool properly if it is too hot outside typically over 90 degrees f ambient.
A quick and eas.
It s more likely to be a voltage drop problem related to the circuitry from the tow vehicle.
Ammonia emanates from refrigerator immediately turn the refrigerator off.
Also try resetting the check on lights.
Three way refrigerators can operate on 12 volts dc because they have an extra electric heating element.
Do not use the refrigerator until it has been repaired.
Open windows and door to air out the coach and evacuate.
Lastly if there s no 12 volt dc power going to your refrigerator make sure the batteries are charged and then check fuses and switches.
The coach batteries must be fully charged.
Do not use the refrigerator until it has been repaired.
It is the only issue i had with this system.
Contact a dometic dealer or service center.
It is imperative that wiring for the 12v part of the fridge is of sufficient gauge to limit voltage drop to less than 3.
The refrigerator does not work on 120v ac.