E22
Gaggenau Filter / Sump Blockage

Dishwasher shows E22 and there is dirty water or debris in the sump area.

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Possible Causes

Clogged fine filter, blocked sump cover, food debris in sump, obstruction at drain pump inlet

How to Fix / Troubleshooting

Safety: Turn off power.

Steps:

  • Remove filters: Take out the coarse and fine filters and the metal mesh. Clean thoroughly under hot running water.
  • Inspect sump: Look into the sump opening with a flashlight. Remove any bones, glass, or food debris.
  • Check sump cover: Ensure the plastic sump cover is properly seated and not warped.
  • Run a rinse cycle: After cleaning, run a short rinse program to confirm that E22 is cleared.
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Repair Difficulty

Very Easy 1/5
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