Dometic · RM1350 and RM1350SL absorption refrigerators
E3Cooling system malfunction
The refrigerator controls detected that the cooling system is not operating correctly.
What it means
Plain-English answer
E3 concerns refrigeration performance rather than a simple energy-source interruption. Dometic directs the owner to a service center.
Owner-safe checks
What to check first
- 01
Turn the refrigerator off and inspect the exterior vent area for blockage.
- 02
Confirm the RV is parked within the leveling limits in the manual.
- 03
Move food to reliable refrigeration.
Safety boundary
Stop and call a technician when
- You smell ammonia or see yellow residue near the cooling unit.
- Do not repeatedly reset a cooling-system fault.
Primary reference
Check the exact manual
Applicability: RM1350 and RM1350SL absorption refrigerators. The data plate and specification letter determine which procedure is correct.
Open Dometic RM1350 operating manual ↗Source reviewed August 2026