Baxi GM001 Fault Code
The Baxi GM001 fault code means: your boiler is displaying a status report showing the current speed of the internal fan rather than an active fault, indicating the system is likely operating normally.. It appears on 1 Baxi model in our database.
Technical description: Actual fan RPM rpm
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Baxi models that show the GM001 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Baxi GM001 fault code information on this page is sourced and cross-checked against the official Baxi service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026