Biasi Fault on gas feeding Fault Code
Also written as FAULTONGASFEEDING — same fault.
The Biasi Fault on gas feeding fault code means: your boiler is not receiving the gas it needs to create a flame, causing the system to shut down for safety.. It appears on 1 Biasi model in our database.
Technical description: Gas supply issue that causes a lock state.
DIY fix possible
Check if other gas appliances in your home, such as a hob, are working correctly.Ensure your gas meter has credit if you use a prepay meter.Check that the gas isolation valve under the boiler is in the 'on' or 'open' position.Try resetting the boiler by turning the selector knob to the 'R' position for a few seconds.
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Gas Safe Register →Biasi models that show the Fault on gas feeding fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Biasi Fault on gas feeding 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