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Error Code

Bosch Washer E23

E23 indicates water has been detected in the base of the washer — an anti-leak response.

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Reviewed by Jordan Avery · Last reviewed July 27, 2026

Jordan Avery Written by Jordan Avery Appliance Repair Content Specialist Published July 27, 2026 Technically reviewed July 27, 2026
Error code E23
Appliance Washing Machine
Quick answer

E23 indicates water has been detected in the base of the washer — an anti-leak response.

Model compatibility: Bosch reuses codes across series and model years, so E23 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.

Plain language

What this code means

The E23 code means the washer’s leak-protection system detected water in the base. Like an anti-flood trigger, it stops operation to prevent water damage.

Signs

Symptoms you may notice

  • Cycle halts and E23 appears
  • Possible water under the machine
  • Machine will not continue normally
Why it happens

Possible causes

  • A minor internal leak reaching the base
  • A loose or failing hose connection
  • Residual water from a previous issue
Before you call

Safe checks you can make

These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.

  • Check for visible water under or behind the machine
  • Confirm the machine is level and stable
  • Inspect accessible hose connections for obvious drips

Important safety warning. E23 relates to water inside the appliance near electrical components. Avoid internal disassembly and have a technician find the leak source.

Please avoid

What not to attempt

  • Do not tip the machine to drain it
  • Do not remove internal panels or electrical parts
  • Do not bypass the leak-protection system
Get help

When to call a technician

If E23 appears, or you notice water under the washer, book a diagnosis promptly to locate and fix the leak safely.

Seeing this code on your Bosch appliance?

Book a specialist visit for a clear estimate and approval before any repair. Independent service — not an official Bosch service center.

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FAQ

Frequently asked questions

References

Sources & references

  • Appliance user manual — safety and error indicators

Independent service disclosure: Repair Factory is an independent appliance repair service. We are not affiliated with, authorized by, or endorsed by BSH Home Appliances or the Bosch brand. All manufacturer names, logos and model numbers are used for identification and compatibility reference only.

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