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Bosch · Dishwasher · E01

When a technician is needed

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

Diagnostic nodeE01TECHNICIAN
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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

When a technician is needed for error E01

Qualified help is appropriate when The code returns after one power reset; There is heat, odor, smoke or breaker tripping. Do not bypass sensors or energize an opened appliance.

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