Bosch Dishwasher Error Code E22: Meaning & How to Fix It

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

Bosch dishwasher error code E22 means: The dishwasher filter is blocked. [1] Keep using it? Clean the filter first. Start with the owner checks below, beginning with: remove the filter.

Quick facts

Code	E22
Also shown as	E9240
Brand / appliance	Bosch dishwasher
System	Drain
Official meaning	The dishwasher filter is blocked. [1]
Keep using it?	Clean the filter first
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 E22 means on a Bosch dishwasher

The dishwasher filter is blocked. [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 E22 (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.

Remove the filter. Take out the filter at the bottom of the tub (see your owner's manual).
Clean it. Wash it under running water with mild soap and a soft brush, then reinstall it securely.
Test. Run a cycle to confirm the code has cleared.

Parts that may be involved

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

Dishwasher filter assembly (by model number)

When to call a technician

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 E22 mean on a Bosch dishwasher?

Bosch lists E22 as follows: The dishwasher filter is blocked.

Is it safe to keep using the dishwasher with E22?

Clean the filter first.

Can I fix Bosch dishwasher error E22 myself?

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

Is E9240 the same as E22?

Yes. Bosch's documentation lists E9240 with the same meaning as E22; 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.