Bosch washer error code

E23

AquaStop activated (leak)

The AquaStop leak protection has been triggered.

Also shown on some Bosch models as: F23

Try these free fixes first

Unplug the washer before opening any panel.

  1. Turn off the tap and unplug the washer.
  2. Check the hose and the area under the washer for water.

Still showing E23?

Usually needs a technician to find and fix the leak.

AquaStop hoseCheck that the part matches your exact model number (usually on a sticker inside the door or on the back).Find the part
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Questions people ask

What does E23 mean on a Bosch washer?

E23 on a Bosch washer means: aquastop activated (leak). The AquaStop leak protection has been triggered.

How do I fix Bosch washer error E23?

Turn off the tap and unplug the washer. Check the hose and the area under the washer for water.

When should I call a repair technician?

Usually needs a technician to find and fix the leak.

Related washer codes

Samsung LEWasher: Water level or leak errorLG AEWasher: Leak detectedGE FEWasher: Water at critical levelElectrolux EF0Washer: Leak, foam or unbalanced loadBosch E17Washer: Water takes too long to fillBosch E18Washer: Not draining

Source: Bosch official support · Reviewed 2026-10-01