How much does it cost to fix Biasi error code Er10+RESET?

Typical repair cost for the Biasi Er10+RESET fault is £120-280 including labour.

Er10+RESET Emergency

Biasi Er10+RESET Fault Code

Q: What does the Biasi Er10+RESET fault code mean?

Your boiler has shut down because a sensor has detected that the exhaust gases are becoming dangerously hot.

Also written as ER10RESET — same fault.

The Biasi Er10+RESET fault code means: your boiler has shut down because a sensor has detected that the exhaust gases are becoming dangerously hot.. It appears on 1 Biasi model in our database.

Technical description: Lockout --- flue temperature probe NTC (Flue temperature > 120˚C)

Typical repair cost £120-280 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Biasi models that show the Er10+RESET fault code

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

Activa Repair: £120-280

Source

Biasi Er10+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