Dometic ยท 15 codes

Dometic RUC refrigerator fault codes

Every fault code, display message, and status light listed in Dometic's support pages for Dometic RUC. Select a code for what it means, what you can safely check, and when to call a technician.

Confirm your model

Codes are model-specific. Match the model number on the appliance data label to one of these before using the table:

RUC refrigerator

Where to look and what to record

  • RUC model label
  • serial number
  • photo of the display code
  • model number label
  • control board part number if visible without disassembly
  • door closure status
  • battery voltage shown by owner-visible monitor
  • recent warm-food loading notes

Code table

CodeWhat the manufacturer says
E03Reset the error with the encoder button and continue to authorized service if the problem remains.
E18Reset the error with the encoder button and continue to authorized service if the problem remains.
E32Reset the error with the encoder button and continue to authorized service if the problem remains.
E33Check battery voltage and reset the error with the encoder button.
E34Make sure the refrigerator was not filled with warm goods, then reset the error with the encoder button.
E35A cooling or control fault that needs model-specific diagnosis / Make sure refrigerator ventilation is not obstructed, notes that extreme ambient temperatures can trigger the over-temperature code, and says remaining repair requires an authorized service provider.
W01Reset the error with the encoder button and continue to authorized service if the problem remains.
W02Reset the error with the encoder button and continue to authorized service if the problem remains.
W04Reset the error with the encoder button and continue to authorized service if the problem remains.
W10Make sure the door is properly closed, then reset the error with the encoder button if necessary.
W11Check battery voltage and reset the error with the encoder button.
W14Reset the error with the encoder button and continue to authorized service if the problem remains.
W17Reset the error with the encoder button and continue to authorized service if the problem remains.
W19It is a low-voltage error, to check battery voltage, and to reset the error with the encoder button.
W26Reset the error with the encoder button and continue to authorized service if the problem remains.

Do not bypass refrigerator safety controls or work on LP/electrical components. Shut off LP and power if there is gas odor, scorching, abnormal heat, or repeated fault behavior.

Do not bypass refrigerator safety controls or work on LP/electrical components. Shut off LP and power if you smell gas, see scorching, or the unit behaves abnormally.

Do not service refrigerator wiring, sensors, compressor/cooling components, or control electronics; use only the front-panel reset and arrange qualified service if the fault remains or returns.

Troubleshooting guides

Official manuals and support pages