Biasi 62 Fault Code
The Biasi 62 fault code means: your boiler is requesting a calibration routine to ensure the gas and air are burning correctly, which often happens after a power interruption or part replacement.. It appears on 4 Biasi models in our database.
Technical description: Calibration request.
DIY fix possible
Locate the reset button or selector switch on the front control panel.Turn the selector to the 'Reset' position for 5 seconds and then back to 'On'.Observe the boiler for several minutes while it performs its automated calibration cycle.
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Gas Safe Register →Biasi models that show the 62 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Biasi 62 fault code information on this page is sourced and cross-checked against the official Biasi service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026