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Samantha EllisSep 12, 2025
How to properly screw in the pump cap on my Bosch Washer?
- JJulie WilliamsSep 12, 2025
Ensure that the pump cap is screwed in all the way into the Bosch Washer. The handle on the pump cap must be in a vertical position.

How to properly screw in the pump cap on my Bosch Washer?
Ensure that the pump cap is screwed in all the way into the Bosch Washer. The handle on the pump cap must be in a vertical position.
What to do if my Bosch WAV28KHBSN displays error code E:10 / -00 / -10 / -20?
If your Bosch Washer displays the error code "E:10 / -00 / -10 / -20", the pump for the intelligent dosing system is blocked. Switch off the appliance, clean the pump unit. If this display appears again, call customer service.
What does error code E:35 / -10 mean on my Bosch WAV28KHBSN?
If your Bosch Washer displays "E:35 / -10", there is water in the base trough. Turn off the water tap and call the after-sales service.