BoilerFaultCodesChaffoteaux 280 Fault Code
The Chaffoteaux 280 fault code means: your high-capacity commercial boiler is signaling an internal configuration error, meaning the system cannot correctly identify or manage its total heating output.. It appears on 1 Chaffoteaux model in our database.
Technical description: Output 81.4 kW (Flexiflame 280)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Chaffoteaux models that show the 280 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Chaffoteaux 280 fault code information on this page is sourced and cross-checked against the official Chaffoteaux service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026