RV Appliance Code Atlas

Dometic W11 fault code — Refrigerator

Applies to: RMD10.5, RMD10.5X, RMD10.5S, RMD10.5XS, RMD10.5T, RMD10.5XT

What W11 means

The Dometic RMD10.5 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

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