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Bosch · Dishwasher · E09

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An internal heat-pump heater fault was detected.

Diagnostic nodeE09MANUAL-LOOKUP
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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

Find the correct manual for error E09

Locate the full model label before searching the manufacturer manual. The published coverage note for this entry is: Bosch dishwasher families that use E09/E:09.

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