Er01+RESET High

Biasi Er01+RESET Fault Code

Also written as ER01RESET — same fault.

The Biasi Er01+RESET fault code means: your boiler has failed to light the flame, which has caused it to shut down for safety purposes.. It appears on 1 Biasi model in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Lack of burner ignition
Typical repair cost £100-£350 (including labour)

DIY fix possible

Check if other gas appliances in your home, like the hob, are working to ensure gas supply is active.Check your gas meter to ensure it has credit if you use a prepay meter.Press and hold the 'RESET' button for five seconds to see if the boiler restarts.

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Biasi models that show the Er01+RESET fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Biasi Er01+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