How much does it cost to fix Biasi error code Faulty ignition?

Typical repair cost for the Biasi Faulty ignition fault is £120-£250 including labour.

Faulty ignition High

Biasi Faulty ignition Fault Code

Q: What does the Biasi Faulty ignition fault code mean?

Your boiler is failing to light the gas, which means your heating and hot water will not work until the ignition system is checked.

Also written as FAULTYIGNITION — same fault.

The Biasi Faulty ignition fault code means: your boiler is failing to light the gas, which means your heating and hot water will not work until the ignition system is checked.. It appears on 4 Biasi models in our database.

Technical description: Faulty ignition electrodes, their wiring or connection

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 Faulty ignition fault code

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

Source

Biasi Faulty ignition 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