Error code · Siemens

E:21-30 · Zeolith container intake blocked

The intake opening of the Zeolith container is obstructed by tableware. Rearrange the tableware to ensure the intake is clear.

DishwasherDIY First — Safe to Try YourselfFixLens verified

Safe first steps

  1. Open the dishwasher door and carefully inspect the Zeolith container area for any obstructing tableware.
  2. Rearrange the tableware to ensure that the intake opening of the Zeolith container is completely clear.
  3. Close the dishwasher door and run a short cycle to check if the error code E:21-30 has cleared.
  4. If the error persists after clearing the obstruction, check for any damage to the Zeolith container or its intake area before using the appliance again.

When to stop

  • Stop if you notice any cracks or damage to the Zeolith container — risk of flooding.

Likely cause

The intake opening of the Zeolith container is obstructed by tableware. Rearrange the tableware to ensure the intake is clear.

Verification

Reviewed by: automated manual extraction

Verified against Siemens SN95ZX61CG technical documentation

FixLens publishes its own structured technical logic verified against Siemens SN95ZX61CG documentation · last verified April 22, 2026.

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