Dometic refrigerator · 1 model line
Dometic refrigerator code 18
The official Dometic RUA support page for display fault 18 says to reset the error with the encoder button and continue to authorized service if the problem remains.
What code 18 means by model
| Model line | What the manufacturer says | Source |
|---|---|---|
| Dometic RUA | The official Dometic RUA support page lists 18 as a refrigerator fault message. The page states that multiple faults can be present and that the last fault is shown until acknowledged. | My refrigerator is giving me a fault message | RUA Refrigerators | Support |
| Dometic RUAShown as: Display fault 18 | The official Dometic RUA support page for display fault 18 says to reset the error with the encoder button and continue to authorized service if the problem remains. | Display shows fault: 18 | RUA Refridgerators | Support |
What you can safely check
- Record the exact fault code and take a photo of the display.
- Check only owner-safe basics such as RV power state and exterior vent obstruction.
- Turn the refrigerator off if cooling is abnormal, the alarm repeats, or the same code returns.
- Record display fault 18 and take a photo of the display.
- Reset the error once by pressing the encoder button for 3 seconds until a beep is heard.
- Do not keep holding the encoder button after the reset beep; the page warns that holding too long turns the refrigerator off without resetting the error.
Stop and call a technician for
- Internal cooling, LP, electrical, sensor, communication, and control diagnosis belongs to an authorized Dometic service provider.
- A continuing display fault 18 must be handled by an authorized service provider.
- Internal refrigerator diagnosis, LP hardware, electrical circuits, cooling-system work, wiring, sensors, and control electronics are service-only.
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 service refrigerator LP hardware, electrical circuits, wiring, sensors, cooling components, or control electronics; use only the front-panel reset and arrange qualified service if the fault remains or returns.
Write this down before you call
- RUA model label
- serial number
- photo of the display code
Other codes on Dometic RUA refrigerators
Full table: Dometic RUA refrigerators
- 01 Reset the error with the encoder button and continue to authorized service if the problem…
- 03 Reset the error with the encoder button and continue to authorized service if the problem…
- 05 Reset the error with the encoder button and, if the fault remains, check AC supply becaus…
- 06 Reset the error with the encoder button and continue to authorized service if the problem…
- 07 Reset the error with the encoder button and continue to authorized service if the problem…
- 08 Reset the error with the encoder button and continue to authorized service if the problem…
- 09 Check battery voltage, then reset the error with the encoder button.
- 10 Make sure the door is properly closed, then reset the error with the encoder button if ne…
- 11 Reset the error with the encoder button and continue to authorized service if the problem…
- 12 Reset the error with the encoder button and continue to authorized service if the problem…
- 13 Reset the error with the encoder button and continue to authorized service if the problem…
- 14 Reset the error with the encoder button and continue to authorized service if the problem…
- 15 Reset the error with the encoder button and continue to authorized service if the problem…
- 16 Reset the error with the encoder button and continue to authorized service if the problem…
- 17 Reset the error with the encoder button and continue to authorized service if the problem…
- 22 Check the battery level or charge, then reset the error with the encoder button.
- 24 Reset the error with the encoder button and continue to authorized service if the problem…
- 50 Check that the gas bottle is not empty and gas valves are turned on, then reset the error…
- 51 Check that the gas bottle is not empty and gas valves are turned on, then reset the error…
- 52 Check that the gas bottle is not empty and gas valves are turned on, then reset the error…
- 53 Check that the gas bottle is not empty and gas valves are turned on, then reset the error…