Fault Code E23: Issue with waste water pump. An E23 error code indicates there is an issue with the waste water pump. This happens when the dishwasher pump is blocked, clogged or when the drain pump is faulty.
Fault: Issue with waste water pump. An E23 error code indicates there is an issue with the waste water pump. This happens when the dishwasher pump is blocked, clogged or when the drain pump is faulty.
For Bosch freestanding, under bench, semi-integrated and fully-integrated dishwashers (including Serie 2, Serie 4, Serie 6, Serie 8).