High
A14 on Ferroli Bluehelix HiTech RRT

Your boiler has locked itself out because it has repeatedly detected a problem with how exhaust gases are being cleared from the system.

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.

What the manual says

Manufacturer manual

Fume extraction duct safety device intervention — fault A07 generated 3 times in last 24 hours

From this model's manual
Verified against the Ferroli Bluehelix Hitech Rrt installation & service manual, page 47.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

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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Avoid the next call-out bill

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