What does error code E23 mean on a Bosch dishwasher?

Drain pump problem. The drain pump is blocked, clogged or faulty.

Can I fix Bosch code E23 myself?

Start with these safe checks: Turn power off and check the drain pump area under the filter for debris, as for E25. Bosch says contact Bosch Customer Support.

When should I call a technician for code E23?

Bosch says contact Bosch Customer Support. Unplug it or switch the breaker off before you remove any panel. Don't test or replace wiring, control boards, heating elements or motors under power. If you see scorching, smell burning, or the breaker trips again, leave it off and call a qualified appliance technician or electrician.

Bosch Dishwasher Error Code E23 / E:23: Drain pump problem

What E23 means

The drain pump is blocked, clogged or faulty.

Also shown as: E:23, depending on the model.

Likely causes

Debris in the pump
Pump failure

Safe first checks

Turn power off and check the drain pump area under the filter for debris, as for E25.

When to stop

Bosch says contact Bosch Customer Support.

Checked against: Bosch USA: Bosch dishwasher error codes troubleshooting guide. Codes can differ by model and year, so confirm with your owner's manual.