High
F07 on Ferroli Domiproject

Your boiler has detected that an internal air safety switch is stuck in the wrong position, preventing the system from starting its ignition sequence safely.

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

Air pressure switch error – contacts closed on activation of fan

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

F05View →A05View →

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