High
Boiler shut down (lock out) on Ferroli Domina 102

Your boiler has detected a problem and safely switched itself off to prevent damage.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

Red lockout light illuminated. Requires turning the on/off/reset switch clockwise to the reset position.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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