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Bosch · Dishwasher · E01

Possible causes

A heat-pump motor circuit fault was detected at the main control board.

Diagnostic nodeE01CAUSES
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Use this as a diagnostic branchConfirm the exact model manual before ordering parts or opening the appliance.

Coverage: Bosch dishwashers using the E01/E:01 diagnostic family.

GUIDANCE

Possible causes for error E01

Published guidance and the observed behavior point to these possibilities: Heat-pump motor circuit fault; Main-control-board circuit issue; Internal wiring or component fault. Check accessible conditions before considering a component fault.

Safe sequence

  1. 1Turn the dishwasher off.
  2. 2Reset power at the breaker for 30 seconds.
  3. 3If E01 returns, leave the appliance off and contact Bosch support.

Stop and get qualified help when

  • The code returns after one power reset
  • There is heat, odor, smoke or breaker tripping
Primary sourceBosch — dishwasher error codes ↗Verified 2026-07-17 · manufacturer