Bosch Dishwasher E22 error code

The dishwasher's filter is blocked, so food particles and debris cannot wash away properly. Dishes may come out dirty even though the machine ran a full cycle.

Also shown as: E-22

Last updated: September 30, 2026

Quick answer: Bosch dishwasher error code E22: dishwasher filter blocked by debris. The most common cause is filter clogged with food particles, grease, or buildup. Try this first — remove the filter. If that does not clear it, wash the filter. If the code persists, call a qualified technician.

What causes the E22 error?

  • Filter clogged with food particles, grease, or buildup
  • Filter not cleaned regularly
  • Drain pump also blocked, which can appear alongside E22

How to fix Bosch E22 — step by step

Work through these in order, from simplest and safest first. Stop as soon as the code clears.

  1. Remove the filter
    Twist and lift the filter assembly from the bottom of the tub; your owner's manual shows the exact location and removal method for your model.
  2. Wash the filter
    Rinse it under running water with mild soap and a soft brush to remove debris and grease, then reinstall it fully.
  3. Check the drain pump area
    If the code persists, look under the filter for the pump cover, clear any debris, and reseat the cover until it clicks into place.
Related guide: Dishwasher troubleshooting — fix common problems, with links to every dishwasher error code we cover.

When to call a technician

Stop and call a qualified technician if any of these apply:
  • Dishes still come out dirty after a thorough filter clean
  • The code returns immediately after cleaning
  • You find the pump cover damaged or missing

Frequently asked questions

How often should I clean a Bosch dishwasher filter?

Bosch recommends cleaning the filter regularly since it traps food particles; rinsing it after heavy loads or monthly keeps E22 from coming back.

Sources

Every meaning and fix above was checked against official manufacturer documentation:

FixCode provides general troubleshooting information only — not professional repair advice. If you are unsure about any step, stop and call a qualified technician. Repairs done incorrectly can be dangerous and may void your warranty.

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