Safe first steps
- Check the water pump cover to ensure it is securely fastened.
- Inspect the water drain hose for kinks or clogs and straighten it if necessary.
- Clean the water pump to remove any blockages.
Error code · Bosch
The water pump is blocked or the cover is loose. Check the pump and ensure the hose is not kinked or clogged.
Safe first steps
When to stop
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