Biasi Lack of burner ignition Fault Code
Also written as LACKOFBURNERIGNITION — same fault.
The Biasi Lack of burner ignition fault code means: your boiler is trying to start up but cannot create or detect a flame, leaving you without heating and hot water.. It appears on 3 Biasi models in our database.
Technical description: Lack of burner ignition (no ignition signal from the full seqence ignition device)
DIY fix possible
Check that your gas emergency control valve is open and you have credit on your meter.Check if other gas appliances in your home, like a hob, are working correctly.Press the reset button on the front control panel to see if the boiler restarts.
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Gas Safe Register →Biasi models that show the Lack of burner ignition fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Biasi Lack of burner ignition 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