Dometic W05 fault code — Refrigerator

Applies to: RML10.4, RML10.4S, RML10.4T

What W05 means

The Dometic RML10.4 operating manual lists W05 as: AC power is not connected or AC voltage is below the manual threshold.

Owner-safe checks

• Confirm the coach is connected to an intended power source from owner-visible controls.
• Select another front-panel energy mode if available and safe.

Service-only work

• AC supply, inverter, wiring, and refrigerator power-module diagnosis belong with qualified RV electrical service.

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

• Dometic RML10.4 Absorption Refrigerator Operating Manual

Related symptom guides

• RV appliance low-voltage warning
• Dometic legacy absorption refrigerator display faults
• Pre-service checklist for RV appliance calls

Other Dometic Refrigerator codes

• Dometic E0
• Dometic E1
• Dometic E2
• Dometic E3
• Dometic E4
• Dometic 01
• Dometic 03
• Dometic 05

All Dometic codes and guides