Dometic W11 fault code — Refrigerator
Applies to: RM10.5T, RM10.5S, RM10.5G, RM10.5P, RMS10.5T, RMS10.5XT, RMS10.5S, RMS10.5G, RMS10.5P, RMS10.5XS, RMS10.5XG, RMS10.5XP
What W11 means
The Dometic RM10.5/RMS10.5 operating manual lists W11 as: DC overvoltage is present.
Owner-safe checks
- Stop using DC mode if the warning persists.
- Record the coach battery or charger state from owner-visible monitors.
Service-only work
- Charging-system and 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 appliance low-voltage warning
- Dometic legacy absorption refrigerator display faults
- Pre-service checklist for RV appliance calls