High
A04 on Ferroli iBoiler 28

Your boiler has shut down because it has detected a recurring issue with how it clears exhaust gases, which has happened several times in the last day.

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

Flue gas fault – fault F07 happened 3 times in the last 24 hours

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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Related fault codes

F07View →A05View →F14View →

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