Bosch · Washer Serious

E23 — / F23 — AquaStop Activated (Leak)

Bosch's official US washer codes use an E:XX / F-code / icon format; a bare 'E23' is not in the official US list. The 'AquaStop activated (leak)' explanation below is not confirmed on Bosch's US consumer page — verify against your model's manual.

Keep using it?
Limited use only
DIY difficulty
Moderate
Verified against
bosch-home.com ↗

How to fix it

  1. Turn off the water and unplug the washer — do not use it until repaired.
  2. Tilt the machine to drain the base; find and fix the leak source.

Why it happens

Typical signs: Washer stops · Water in the base · E23 shown

  • Water leak in the machine/base A hose or seal leak tripped AquaStop.
  • AquaStop sensor tripped The base float/sensor detected water.

Parts you may need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

  • Bosch Washer AquaStop Hose Common replacement
    Amazon →

More Bosch washer codes

E01 E01 — Door Lock Fault E02 E02 — Motor Fault E03 E03 — Door Lock Fault E04 E04 — Water Inlet Fault E05 E05 — Heating Element Fault E06 E06 — Door Lock Circuit Fault

All Bosch codes → All washer codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: bosch-home.com.