How much does it cost to fix Biasi error code Er 10 + RESET?

Typical repair cost for the Biasi Er 10 + RESET fault is £120-250 including labour.

Er 10 + RESET High

Biasi Er 10 + RESET Fault Code

Q: What does the Biasi Er 10 + RESET fault code mean?

Your boiler has shut down because it has detected that the exhaust gases are becoming dangerously hot, which is a safety feature to prevent damage to the flue system.

Also written as ER10RESET — same fault.

The Biasi Er 10 + RESET fault code means: your boiler has shut down because it has detected that the exhaust gases are becoming dangerously hot, which is a safety feature to prevent damage to the flue system.. It appears on 11 Biasi models in our database.

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

Typical repair cost £120-250 (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 Er 10 + RESET fault code

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

Source

Biasi Er 10 + 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