RRepairGraph
Bosch · Dishwasher · E02

Symptoms checklist

A main-control-board relay fault was detected.

Diagnostic nodeE02SYMPTOMS
!
Use this as a diagnostic branchConfirm the exact model manual before ordering parts or opening the appliance.

Coverage: Bosch dishwashers using E02/E:02; model-specific diagnosis is required.

GUIDANCE

Symptoms checklist for error E02

Reported behavior connected to this code includes Cycle stops unexpectedly; Functions may not respond normally; E02 reappears after power-up. Confirm the display code before matching symptoms to a repair path.

Safe sequence

  1. 1Switch the dishwasher off.
  2. 2Reset the circuit breaker for 30 seconds.
  3. 3If the display returns, keep the unit off and contact Bosch support.

Stop and get qualified help when

  • E02 persists after one reset
  • The breaker trips or electrical odor is present
Primary sourceBosch — dishwasher error codes ↗Verified 2026-07-17 · manufacturer