Bosch Dishwasher Error Code E23: Meaning & How to Fix It

By the ErrorCodePro Editorial Team · Last reviewed October 20, 2026

Bosch dishwasher error code E23 means: There is a problem with the drain pump: it is blocked, clogged or faulty. [1] Keep using it? Not until the cause is fixed. Start with the owner checks below, beginning with: contact bosch.

Quick facts

Code	E23
Also shown as	E6101
Brand / appliance	Bosch dishwasher
System	Drain
Official meaning	There is a problem with the drain pump: it is blocked, clogged or faulty. [1]
Keep using it?	Not until the cause is fixed
DIY-safe?	Owner checks only (listed below)
Support	Bosch Customer Support: 1-800-944-2904

On this page: Meaning · Steps · Parts · When to call a technician · Related codes · FAQ

What error code E23 means on a Bosch dishwasher

There is a problem with the drain pump: it is blocked, clogged or faulty. [1]

This is a drain code. Codes and wording can vary by model, so check your owner's manual for your model number.

How to fix Bosch dishwasher error code E23 (safe owner checks)

Safety first: disconnect power before you remove any panel or reach into the sump or drum. Do not touch wiring, the control board or the motor. If you see water near electrical parts, stop and call a technician. These steps are based on Bosch's published guidance [1], rewritten for clarity.

Contact Bosch. Call Bosch Customer Support at 1-800-944-2904.

Bosch's only published action for E23 is to contact Customer Support. For pump blockage checks, see E25.

Parts that may be involved

Exact parts depend on your model number. This page lists part types only, never part numbers.

No specific part is implied by the manufacturer's guidance for this code.

When to call a technician

Bosch directs E23 to Customer Support
Anything involving wiring, the control board, the motor or the water valve electrics
The appliance is under warranty: contact Bosch Customer Support: 1-800-944-2904 first

Frequently asked questions

What does error code E23 mean on a Bosch dishwasher?

Bosch lists E23 as follows: There is a problem with the drain pump: it is blocked, clogged or faulty.

Is it safe to keep using the dishwasher with E23?

Not until the cause is fixed.

Can I fix Bosch dishwasher error E23 myself?

Only with the owner checks on this page, starting with: contact bosch. If it persists, call a technician or Bosch Customer Support: 1-800-944-2904.

Is E6101 the same as E23?

Yes. Bosch's documentation lists E6101 with the same meaning as E23; the display format depends on the model.

Sources

Bosch Home US: Dishwasher Error Codes (official)

Last reviewed: October 20, 2026. ErrorCodePro is not affiliated with Bosch.