RV Appliance Code Atlas

Dometic W11 fault code — Refrigerator

Applies to: RMD10T, RMD10XT, RMD10.5T, RMD10.5XT, 10 Series RMD10

What W11 means

The Dometic RMD10T/RMD10XT operating manual lists W11 as: DC overvoltage above the manual threshold.

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

Use only the front-panel reset and basic owner-visible checks from the manual; keep LP, electrical, cooling, and module diagnosis with qualified service.

Official sources

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