That being said the check light should not go on in the case you set the refrigerator in auto mode and there are available electricity.
Dometic rv refrigerator check light on.
There are also safety features that for instance will automatically switch over to using lp gas for power when there is no longer any ac electricity generator power or shore power.
Next verify that 12 volts dc is present at the back of the refrigerator.
Imho this is a classic example of neglect by the writers of manuals causing people to go around in circles trying to answer a simple question when the answer is.
If dometic had a statement in their manual that the check light would come on in the dc mode when the voltage was low we wouldn t be looking at the refrigerator for problems first.
On ac check light comes cool i have a 1995 dometic rv refrigerator freezer.
On ac it will run about 8 10 hours then the check light comes on.
This can be done with a 12 volt test light or a multimeter.
1995 dometic rv refrigerator freezer.
Rv refrigerators can fail for a number of reasons.
If both voltages are present and all indicator lamps work check for trouble codes on refrigerators that have this feature.
An rv refrigerator has special features that make sure the refrigerator is safely and securely closed even while driving in rough terrain with your rv.
A common problem is when the refrigerator stops cooling properly especially after it hasn t been used in awhile.