Bosch Washing Machine Error E23

⚡ Quick Answer: The Bosch washing machine error E23 indicates that the AquaStop/leak protection system has been activated due to water detected in the base or a leak.... ✅ DIY Fixable

What Does Error E23 Mean?

The Bosch washing machine error E23 indicates that the AquaStop/leak protection system has been activated due to water detected in the base or a leak. This safety-triggered error often results in the machine stopping mid-cycle, displaying E23, and potentially pooling water at the base. It is essential to stop using the machine, turn off the water supply, and unplug it to inspect for visible leaks before seeking service, as the issue may require professional attention to address the leak source or faulty components.

Common Symptoms:

  • Machine stops mid‑cycle
  • Display shows E23 (or F23)
  • Possible water pooled at machine base
  • Machine will not start a new cycle

Possible Causes

  • Water leakage detected in the base tray triggering the AquaStop/leak sensor (high)
  • Blockage or leakage in hoses, connections, or seals causing water escape (medium)
  • Faulty leak sensor or wiring causing false activation (medium)

How to Fix Error E23

DIY Fix Stop using and inspect for visible water

  1. Turn off water supply to washing machine
  2. Unplug appliance from power
  3. Check around base for pooled water or dampness
  4. Look for visible leaks from hoses, dispenser, and seals

Technician Only Service leak source and/or sensor system

  1. Drain any water collected in base tray
  2. Inspect and replace faulty hoses, seals, or tank components that are leaking
  3. Test and replace leak sensor / float assembly if malfunctioning
  4. Verify wiring and control board connections related to leak detection

Parts needed: leak sensor (AquaStop), base tray float, hoses and hose clamps, pump and seals

🛑 When to Call a Pro:
  • If water continues to accumulate in base after draining
  • If error persists after removing visible leak causes
  • If internal components (pump, hoses, seals) cannot be accessed safely by user

Technical Specifications

wattage 30W
component Drain Pump
resistance 10-20 ohms
part_number Bosch 00619812
voltage_rating 120V AC

Common Questions

What does E23 error mean on Bosch washing machine?

E23 indicates the AquaStop system has activated due to water in the base, causing the machine to stop mid-cycle.

Can I fix Bosch washing machine E23 error myself?

Yes, you can check for visible leaks, turn off the water supply, and unplug the machine to inspect for pooled water.

How much does it cost to fix E23 error?

Repair costs for E23 error can range from $150 to $500 or more, depending on parts and labor.

When should I call a technician for E23?

Call a technician if water accumulates in the base after draining or if the error persists after addressing visible leaks.

Sources & References

Data last verified: 2026-07-07

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