Error code · Bosch

E:9240 · Wastewater pump issue

The wastewater pump may be blocked or its cover is loose. Check and clean the pump and ensure the cover is secured properly.

DishwasherCaution — Know When to StopFixLens verified

Safe first steps

  1. Turn off the dishwasher and unplug it from the power source to ensure safety before starting any checks.
  2. Remove the filter system from the bottom of the dishwasher and check for any debris or blockages in the wastewater pump area.
  3. Clean any blockages found in the pump and ensure that the pump cover is securely fastened.
  4. Reinsert the filter system and ensure it is locked in place before plugging the dishwasher back in.

When to stop

  • If the pump remains blocked after cleaning or if the cover cannot be secured properly, stop and call a professional for assistance.

Likely cause

The wastewater pump may be blocked or its cover is loose. Check and clean the pump and ensure the cover is secured properly.

Verification

Reviewed by: automated manual extraction

Verified against Bosch SBD8TCX04E technical documentation

FixLens publishes its own structured technical logic verified against Bosch SBD8TCX04E documentation · last verified April 21, 2026.

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