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Bosch · Dishwasher

Bosch Dishwasher error E01

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

Error codeE01Also: E:01
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Stop and make safeBosch describes E01 as a heat-pump motor circuit fault at the main control board and recommends a brief breaker reset followed by support if unresolved.

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

What this code usually means

Bosch describes E01 as a heat-pump motor circuit fault at the main control board and recommends a brief breaker reset followed by support if unresolved.

BrandBosch
ApplianceDishwasher
ConfidenceManufacturer sourced

Safe checks, in order

  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.

Common symptoms

  • Cycle stops
  • Heating or circulation may be unavailable
  • E01 remains after restart

Possible causes

  • Heat-pump motor circuit fault
  • Main-control-board circuit issue
  • Internal wiring or component fault

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