High
A15 on Ferroli Domiproject

Your boiler has shut down because it has repeatedly detected an issue with how it clears exhaust fumes, likely due to a persistent air flow problem.

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

Fault F05 generated 5 times within the last 24 hours – possible error with the air pressure switch

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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