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

  1. Unplug the dishwasher from the power outlet to ensure safety.
  2. Remove the access panel to reach the main circuit board.
  3. Inspect the wiring connections between the main circuit board and the display for any visible damage or disconnections.
  4. Reconnect any loose wires and ensure all connections are secure.
  5. 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.