How much does it cost to fix Biasi error code E25 + RESET?

Typical repair cost for the Biasi E25 + RESET fault is £120-350 including labour.

E25 + RESET High

Biasi E25 + RESET Fault Code

Q: What does the Biasi E25 + RESET fault code mean?

Your boiler has detected an unsafe flame or burning pattern and has shut itself down to prevent damage or dangerous fumes.

Also written as E25RESET — same fault.

The Biasi E25 + RESET fault code means: your boiler has detected an unsafe flame or burning pattern and has shut itself down to prevent damage or dangerous fumes.. It appears on 1 Biasi model in our database.

Technical description: Abnormal combustion operation lock

Typical repair cost £120-350 (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 E25 + RESET fault code

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

Inovia 2020 Repair: £120-350

Source

Biasi E25 + 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