Error code · Siemens

E:9 · Water drain pump issue

The water drain pump is blocked or the cover is loose. Check the pump and clean it if necessary.

DishwasherCaution — Know When to StopFixLens verified

Safe first steps

  1. Turn off the dishwasher and unplug it from the power source.
  2. Remove the lower spray arm by pulling it upwards and check for any blockages in the spray arm openings.
  3. Check the drain pump area for any debris or blockages and clean it if necessary.
  4. Ensure that the cover of the drain pump is securely fastened.
  5. If the drain pump is visibly damaged or the error persists after cleaning, arrange a service visit — do not run the appliance.

When to stop

  • Stop if you see water leaking near the drain pump or electrical connections — risk of electric shock.

Likely cause

The water drain pump is blocked or the cover is loose. Check the pump and clean it if necessary.

Verification

Reviewed by: automated manual extraction

Verified against Siemens SN63EX12CN technical documentation

FixLens publishes its own structured technical logic verified against Siemens SN63EX12CN documentation · last verified April 22, 2026.

Official manufacturer support