BoilerFaultCodesBiasi Li Fault Code
Also written as LI — same fault.
The Biasi Li fault code means: your boiler has failed to ignite because the burner did not light after several attempts, meaning your heating and hot water will not work.. It appears on 10 Biasi models in our database.
Technical description: N/A
DIY fix possible
Check if other gas appliances, like a cooker, are working to confirm gas supply.Verify that your gas meter has credit if you have a pre-payment meter.Turn the control knob to the 'R' (Reset) position for 2 seconds and then back to the 'On' position.
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Gas Safe Register →Biasi models that show the Li fault code
Click a model for the full fault code list and model-specific repair notes.
- M90E 24S Repair: £100-280
- M90E 28S Repair: £100-£250
- M96E Repair: £100-280
- Parva 24S Repair: £120-250
- Parva 28S Repair: £100-280
- Riva Advance M96.24SM Repair: £90-250
- Riva Advance M96.28SM Repair: £120-350
- Riva Compact 24S Repair: £120-350
- Riva Compact 28S Repair: £100-280
- Riva Plus M96.24SM Repair: £100-£280
Source
Biasi Li 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