Gas injectors plugged High

Biasi Gas injectors plugged Fault Code

Also written as GASINJECTORSPLUGGED — same fault.

The Biasi Gas injectors plugged fault code means: your boiler has stopped working because the small nozzles that deliver gas to the burner have become blocked, preventing the flame from starting safely.. 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: Blocked injectors causing a lock state.
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 Gas injectors plugged fault code

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

Source

Biasi Gas injectors plugged 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