Baxi CP210 Fault Code
The Baxi CP210 fault code means: your boiler is notifying you that its intelligent heating settings, which adjust based on the temperature outside your home, have been slightly adjusted.. It appears on 1 Baxi model in our database.
Technical description: Comfort mode heating curve offset (with outside sensor)
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 CP210 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Baxi CP210 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