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Bosch dishwasher · exact code

Bosch dishwasher code E09, E20, E2030, E6001: meaning and safe checks

E09, E20, E2030, E6001 means: There is a heat pump internal heater fault/error. Scope: Bosch North American dishwashers. Older platforms display short codes (E01-E27); newer platforms display four- and five-digit codes (E0100, E2030, E6101, E9240) for the same conditions. Available customer actions vary by platform.

Direct answer

On the covered Bosch dishwasher platform, E09, E20, E2030, E6001 means there is a heat pump internal heater fault/error. First, note whether the water is heating at all.

Definition versus diagnosis

The display names a detected condition—not an automatically failed part.

KnownThe exact manufacturer definition and operating state shown above.Not yet provenA replacement component, wiring fault or internal cause without controlled isolation.Next evidenceThe first safe observation or test in the ordered checklist below.

What this covers

  • Bosch dishwasher models covered by the cited manufacturer code family
  • Displayed code or documented alias: E09, E20, E2030, E6001
  • The operating stage and conditions described by the source

What it does not cover

  • ×Another appliance type or original-manufacturer platform
  • ×A code that merely resembles these characters
  • ×Internal live electrical, gas, sealed-system or control-board repair
Try in this order0 of 4 completed

  1. Verify the exact code and model

    Reversible

    Photograph the complete display and model label. Code aliases in this record: E09, E20, E2030, E6001. Bosch North American dishwashers. Older platforms display short codes (E01-E27); newer platforms display four- and five-digit codes (E0100, E2030, E6101, E9240) for the same conditions. Available customer actions vary by platform.

  2. Perform the first non-destructive check

    Reversible

    Note whether the water is heating at all. Do not clear the display before recording the operating stage and remaining water, heat or load state.

  3. Correct only the documented fault domain

    Reversible

    Bosch's documented step: reset power at the breaker for 30 seconds; if it does not clear, Bosch directs calling Bosch Customer Support. Do not substitute a similar brand or product code table for the exact model manual.

  4. Verify or escalate

    Reversible

    Run only a safe short test that reaches the original stage. If E09, E20, E2030, E6001 returns, stop repeated resets and use model-specific manufacturer service.

Evidence ledger

Sources behind this answer

Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.

01
Bosch Home AppliancesDishwasher error codes

Official Bosch dishwasher error-code guide; meanings quoted from Bosch's own per-code entries.

Exact questions

Common follow-ups

What does E09, E20, E2030, E6001 mean on a Bosch dishwasher?+

There is a heat pump internal heater fault/error.

Can I reset E09, E20, E2030, E6001 without fixing the cause?+

A reset may clear the display temporarily but does not correct the documented fault domain. Record the code and complete the safe checks first.

Why do I need the complete model number?+

Manufacturers reuse characters across different controls and product platforms. The full model identifies which official code table and service data applies.

When should I stop troubleshooting?+

Stop for smoke, arcing, burning odor, gas odor, uncontrolled water, electrical wetting or any condition the manufacturer directs to service.

Change recordAug. 17, 2026 — Published from the cited first-party Bosch code reference with explicit product scope and reset limits.
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