BoilerFaultCodesBiasi E01 Fault Code
The Biasi E01 fault code means: your boiler has failed to light the gas or cannot detect the flame, meaning you have no heating or hot water until it is reset or repaired.. It appears on 10 Biasi models in our database.
Technical description: Ignition failure / no flame detection
DIY fix possible
Check if your gas supply is active and other gas appliances are workingCheck if you have credit on your prepayment gas meterPress and hold the Reset button for 5 seconds to attempt a restart
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Avoid the next call-out bill
A cover plan would handle faults like E01: no call-out fees, no surprise bills.
Affiliate links. We may earn a commission at no extra cost to you.
Biasi models that show the E01 fault code
Click a model for the full fault code list and model-specific repair notes.
- ActivA 18S Repair: £100-£350
- Advance Plus 30S ErP Repair: £90-250
- Antares System Repair: £100-280
- Basica Combi Repair: £100-280
- Basica System 2022 Repair: £90-280
- Dina Repair: £100-350
- Inovia 2020 Repair: £100-350
- Rinnova Adaptive Combi Repair: £100-350
- Riva Compact 24S (M90E.24S) Repair: £90-250
- Riva Compact HE M96.24SM/C Repair: £100-£250
Source
Biasi E01 fault code information on this page is sourced and cross-checked against the official Biasi service / installation manuals for each affected model.
- Biasi ActivA 18S manual (PDF)
- Biasi Advance Plus 30S ErP manual (PDF)
- Biasi Antares System manual (PDF)
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 31 August 2026