ApplianceFaults

Error code

Worcester Bosch Boiler 297 — Check the Model

The reviewed Greenstar manuals do not establish this exact number. Three-digit numbers must not be expanded into four-digit codes or interpreted without their accompanying letter code and model. No model-specific meaning has been established for this page. Confirm the exact model and complete display with the manufacturer.

Last updated: 21 September 2026Boiler faults need a cautious approach

Quick answer

297: Meaning unconfirmed; exact model evidence required

SeverityNot established

Meaning

Meaning unconfirmed; exact model evidence required

First safe check

Photograph the full display, including alternating characters and suffixes.

Stop if

The warning remains, the appliance is not operating normally, or the next step requires internal access.

Who to call

Contact a Gas Safe registered engineer qualified for this boiler if the warning remains, the code is not explained in the matching manual, or any internal investigation is required.

The code meaning and severity have not been established. Confirm the model and manufacturer guidance before attempting a remedy. Keep checks outside the casing and use only a manufacturer-approved reset where the manual allows it.

What does this error code mean?

The reviewed Greenstar manuals do not establish this exact number. Three-digit numbers must not be expanded into four-digit codes or interpreted without their accompanying letter code and model.

No model-specific meaning has been established for this page. Confirm the exact model and complete display with the manufacturer.

This evidence gap does not prove that the code is invalid or unused. No component diagnosis or code-specific reset has been established here.

What still needs confirming?

  1. No component cause has been established from the manufacturer evidence reviewed.

What to do next

  1. Photograph the full display, including alternating characters and suffixes.
  2. Record the full model from accessible paperwork or an external label; do not dismantle the appliance to find it.
  3. Ask Worcester Bosch to identify the code for that model before attempting a reset or repair.
  4. If the warning persists, the model is uncertain or the next step requires internal access, stop and contact a Gas Safe registered engineer qualified for this boiler.

Can I fix this myself?

No

A repair cannot be recommended until the code and exact model have been identified.

Safety boundary: Do not remove the boiler casing or work on gas, flue components, combustion settings or internal wiring.

What not to do

  1. Do not remove the boiler casing or work on gas, flue components, combustion settings or internal wiring.
  2. Do not repeatedly reset an unexplained or returning warning, or buy parts solely from this display.

When to call a heating professional

Contact a Gas Safe registered engineer qualified for this boiler if the warning remains, the code is not explained in the matching manual, or any internal investigation is required.

Safety warning

Do not remove the boiler casing or work on gas, flue components, combustion settings or internal wiring.

Useful hub links

Other Worcester Bosch boiler codes

Relevant guide

Frequently asked questions

Does 297 identify a failed part?+

No failed component has been established for this page. Obtain the exact model definition before diagnosis.

Does this apply to every model?+

No model-specific meaning has been established for this page. Confirm the exact model and complete display with the manufacturer.

Sources and review status

Code meaning not yet confirmed · Last reviewed 21 September 2026

in review
  • Worcester Greenstar 8000+ manual 6721891026

    model manual · UK · checked 21 September 2026

    Material reviewed and limitation: The reviewed Greenstar manuals do not establish this exact number. Three-digit numbers must not be expanded into four-digit codes or interpreted without their accompanying letter code and model. This is not confirmation of a component diagnosis.