Appliance Code Check

Bosch · Washing machine

F23

Stop use and isolate nowProfessional service required

error code

Bosch F23 means the AquaStop leakage-protection hose was activated.

Display form
F23
Lookup normalization
F23
Alternate forms
None retained in the official record

Check the display exactly as shown. The decoder ignores case and spaces, but it never substitutes O/0, I/1, or S/5.

Official meaning, scoped to this source

Bosch F23 means the AquaStop leakage-protection hose was activated.

Manufacturer
Bosch
Document
Bosch washing machine error E23 / F23 · Official support article
Product family
Bosch washing machines
Market and locale
US · en-US

This is an official-source interpretation for the stated scope, not a confirmed diagnosis. Meaning can change across brands, models, product families, and markets.

Market, product family, and model applicability

US · en-US · Bosch washing machines covered by the cited official US code-specific page

Exact model applicability has not been verified.

This release retains family or source-index scope only. Do not infer that an arbitrary model uses this code; confirm it in the exact manufacturer manual.

Open the official model/manual lookup (opens in a new tab)

Stop use and isolate now

If you notice smoke, a burning smell, sparks, flooding, gas odor, severe overheating, or electric-shock risk, stop using the appliance and follow the manufacturer's safety instructions. Do not wait for this page or email support.

Stop using

The source directs you not to use the appliance.

Contact Bosch support if F23 remains or immediately when the source reserves the condition for service.

  • Contact Bosch support if F23 remains or as directed by the source.

Do not do

Do not remove panels, access sensors or heating parts, test live voltage, or bypass leakage protection.

Stop using the washer and leave sensor, hose, water, and electrical work to Bosch service.

Check warranty before authorizing service

Warranty coverage depends on the country, model, purchase date, and manufacturer terms. Have the model and serial number available, open the manufacturer's official support or warranty page, and ask whether the service route is authorized before paying for work.

This public record does not make a coverage determination. Use the official model lookup and warranty information linked below.

Open official model lookup (opens in a new tab)↗View source and warranty links

If the message returns

Contact Bosch support if F23 remains.

Source and scope

Official source verified at release
Market and locale
US · en-US
Product family
Bosch washing machines
Content and safety verified on
July 26, 2026
Source updated by manufacturer
Not supplied in the official record

Bosch

Bosch washing machine error E23 / F23 · Official support article

Open official source (opens in a new tab)

Verification and review status

  • Content meaning and safety verifiedJuly 26, 2026
  • Source reachability statusOfficial source verified at release
  • Automated evidence review completedPassed · July 26, 2026
  • Automated safety rules checkPassed for this published safety boundary
  • Human technical reviewPending — no human completion is claimed
  • Publication gateAutomated publication checks passed · July 26, 2026
  • Official-source conflictNo unresolved conflict admitted to this public release

Automated checks and release approval are not a substitute for a qualified service professional or the exact manufacturer manual.

Evidence used for this guidance

  • E23 / F23 troubleshooting section

    Source-backed summary

    E23 / F23: the AquaStop leakage-protection hose was activated; Turn off the water tap immediately and do not use the washer.

Does the model or source look wrong?

Send a privacy-minimal correction signal. It cannot change public content automatically.

Report a model or source mismatch

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