Dometic 3 + 8 flashing brightly fault code — Refrigerator
Applies to: RMD8501, RMD8551, RMD8xx1
What 3 + 8 flashing brightly means
The RMD8 numbered-button operating manual lists 3 + 8 flashing brightly as: during internal-battery operation, the flame was not ignited.
Owner-safe checks
- Confirm the LP cylinder has fuel from owner-visible indicators.
- Confirm the internal batteries are installed and not depleted if the model uses battery operation.
- Stop LP mode and arrange service if the display returns.
Service-only work
- Repeated LP ignition failure and battery-mode refrigerator electronics diagnosis are service-only.
Safety boundary
Do not open gas, electrical, or cooling-system components; use only documented front-panel actions and call qualified RV service for repeated faults.
Official sources
Related symptom guides
- RV refrigerator or gas appliance will not ignite on LP
- RV appliance low-voltage warning
- Dometic legacy absorption refrigerator display faults
- Pre-service checklist for RV appliance calls