First, you need to make sure your fridge is actually running properly. If they are and the fridge wont click on, the thermostat inside the fridge may need replacing. If the burner is running continuously and the RV fridge is still not getting cold, check the quality of the burner flame.
How do I know if my RV fridge is working?
4:1640:14How To Determine If Your RV Refrigerator Cooling Unit Has ...YouTube
How do I adjust my Dometic thermostat?
0:403:52Dometic Thermostat How To Use - YouTubeYouTube
How do I reset my Dometic 5 button thermostat?
To RESET the Dometic 5 Button Thermostat:Press and Hold in the top and bottom buttons,Turn ON the bottom On/Off switch.FF will appear, release the buttons.IF EE appears, there is a fault with the communication cable.
How do I know if my Dometic thermistor is bad?
Dometic Thermistor To test the Dometic thermistor, disconnect it from the main (lower) circuit board and place the other end (sensor end) into a glass of ice water. After a few minutes you should be able to get a resistance reading of 7,000 to 10,000 ohms between the two terminals of the connector.