Error code · Bosch

E:6103 · Water pump blockage or issue

The water pump is blocked or the cover is loose. Check the pump and ensure the hose is not kinked or clogged.

DishwasherCaution — Know When to StopFixLens verified

Safe first steps

  1. Check the water pump cover to ensure it is securely fastened.
  2. Inspect the water drain hose for kinks or clogs and straighten it if necessary.
  3. Clean the water pump to remove any blockages.

When to stop

  • If the pump remains blocked after cleaning and securing the cover, or if you notice any leaks, stop and call a professional.

Likely cause

The water pump is blocked or the cover is loose. Check the pump and ensure the hose is not kinked or clogged.

Verification

Reviewed by: automated manual extraction

Verified against Bosch SBT8TB801E technical documentation

FixLens publishes its own structured technical logic verified against Bosch SBT8TB801E documentation · last verified April 21, 2026.

Official manufacturer support