Bosch Washer · Code E23 / F23

Bosch Washer E23 code: Water in base (AquaStop)

Water has been detected in the base of the washer, which means a leak, so the AquaStop protection has been activated.

Most common causes

  1. Leaking hose or connection inside the washer
  2. Too many suds overflowing
  3. Leaking pump, filter cap or tub seal

What you can safely check yourself

  1. Turn off the water faucet.
  2. Unplug the washer.
  3. Check that the drain pump filter cap is screwed in tightly.

Unplug the appliance before moving or cleaning anything. Do not open panels, touch gas connections or bypass safety switches.

Checked against: bosch-home.com · bosch-home.com. Meanings can vary by model; check your owner’s manual.

Quick answers

What does E23 mean on a Bosch Washer?

Water has been detected in the base of the washer, which means a leak, so the AquaStop protection has been activated.

Can I clear the E23 code myself?

Try these first: Turn off the water faucet. Unplug the washer. Check that the drain pump filter cap is screwed in tightly. Bosch says to shut off the water and contact service.

How much does it cost to fix a E23 code?

It depends on the cause. At FixPro the diagnostic visit is $79.00 and is credited in full to the repair; you get a flat-rate quote before any work starts.

Other Bosch Washer codes

E18 · Drain blockedE16 · Door not lockedE17 · Water supply problemE32 · Unbalanced loadE33 · Too much foam

Still showing the code?

A FixPro technician will find the cause and give you a flat price. $79.00 diagnostic, credited toward the repair.

Book a repair →