BoilerFaultCodesBiasi ER 02 + Reset Fault Code
Also written as ER02RESET — same fault.
The Biasi ER 02 + Reset fault code means: your boiler has stopped working because it has detected an overheating issue and needs to cool down before it can be used again.. It appears on 11 Biasi models in our database.
Technical description: N/A
DIY fix possible
Wait for the boiler to cool down for at least 15 minutes.Turn the selector switch to the 'Reset' position for a few seconds and then back to 'On'.Check that all radiator valves are open and ensure the system pressure is between 1 and 1.5 bar.
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Gas Safe Register →Biasi models that show the ER 02 + Reset fault code
Click a model for the full fault code list and model-specific repair notes.
- Advance 25C Repair: £100-280
- M90E 24S Repair: £100-280
- M90E 28S Repair: £100-250
- M96E Repair: £100-£250
- Parva 24S Repair: £100-280
- Parva 28S Repair: £100-£350
- Riva Advance M96.24SM Repair: £120-280
- Riva Advance M96.28SM Repair: £100-280
- Riva Compact 24S Repair: £120-300
- Riva Compact 28S Repair: £100-280
- Riva Plus M96.24SM Repair: £100-250
Source
Biasi ER 02 + Reset 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