Error code · Mora
E3 · Communication error
There is an open circuit or broken communication wiring. Check the connections between the main circuit board and the display.
DishwasherCaution — Know When to StopFixLens verified
Safe first steps
- Unplug the dishwasher from the power outlet to ensure safety.
- Remove the access panel to reach the main circuit board.
- Inspect the wiring connections between the main circuit board and the display for any visible damage or disconnections.
- Reconnect any loose wires and ensure all connections are secure.
- If the wiring appears intact but the error persists, arrange a service visit — do not use the appliance.
When to stop
- Stop if you see any burnt wires or smell burning — risk of fire.
Likely cause
There is an open circuit or broken communication wiring. Check the connections between the main circuit board and the display.
Verification
Reviewed by: automated manual extraction
Verified against Mora IM526C3 technical documentation
FixLens publishes its own structured technical logic verified against Mora IM526C3 documentation · last verified April 23, 2026.