Bosch · Washing machine
F28
Service if the code returnserror code
Bosch F28 means the flow sensor has an issue.
- Display form
- F28
- Lookup normalization
- F28
- 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 F28 means the flow sensor has an issue.
- Manufacturer
- Bosch
- Document
- Bosch washing machine error E28 / F28 · 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)Professional service guidance
Contact Bosch support if F28 remains or immediately when the source reserves the condition for service.
- Contact Bosch support if F28 remains or as directed by the source.
Separate hazard signs such as smoke, flooding, sparks, or a burning smell require the manufacturer's safety instructions.
Do not do
Do not remove panels, access sensors or heating parts, test live voltage, or bypass leakage protection.
Use only the documented exterior action; do not access internal sensors, heating, water, or electrical parts.
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.
If the message returns
Contact Bosch support if F28 remains.
Source and scope
Source reachability confirmed- 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 E28 / F28 · Official support article
Open official source (opens in a new tab)Verification and review status
- Content meaning and safety verifiedJuly 26, 2026
- Source reachability statusSource reachability confirmed
- 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
E28 / F28 troubleshooting section
Source-backed summary
E28 / F28: the flow sensor has an issue; Contact Bosch support.
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