Worcester Bosch 2954 B Fault Code
Also written as 2954B — same fault.
The Worcester Bosch 2954 B fault code means: your boiler is struggling to keep its flame lit when running at its lowest power setting, which usually means it needs a professional service or clean.. It appears on 1 Worcester Bosch model in our database.
Technical description: No flame signal with low output.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Worcester Bosch models that show the 2954 B fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Worcester Bosch 2954 B fault code information on this page is sourced and cross-checked against the official Worcester Bosch service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026