E22 Emergency

Biasi E22 Fault Code

The Biasi E22 fault code means: your boiler has detected a flame that continues to burn even after the gas valve should have closed, which is a safety lockout to prevent uncontrolled burning.. It appears on 7 Biasi models in our database.

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

Technical description: EVG lockout (flame after closing valve Ref. EVG).
Typical repair cost £180-350 (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 E22 fault code

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

Source

Biasi E22 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 7 July 2026