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Bosch · Dishwasher · E09

Reset guidance

An internal heat-pump heater fault was detected.

Diagnostic nodeE09RESET
!
Use this as a diagnostic branchConfirm the exact model manual before ordering parts or opening the appliance.

Coverage: Bosch dishwasher families that use E09/E:09.

GUIDANCE

Reset guidance for error E09

A reset may clear a temporary state, but it does not repair a persistent fault. Make the appliance safe, follow the exact model manual, and repeat only the accessible checks listed here.

Safe sequence

  1. 1Turn off the dishwasher.
  2. 2Reset power at the breaker for 30 seconds.
  3. 3If E09 returns, stop use and contact Bosch support.

Stop and get qualified help when

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