Low
FH on Ferroli Atlas D

Your boiler is currently running a two-minute air-clearing routine to remove trapped air from the system before it attempts to light.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

120-second venting cycle

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

DIY fix possible

Wait for the 120-second countdown to complete automatically.Do not interrupt the boiler while the cycle is running.If the boiler does not start after 2 minutes, simply reset the unit using the reset button.

Find a Gas Safe engineer
Search the official register →

Avoid the next call-out bill

A cover plan would handle faults like FH: no call-out fees, no surprise bills.

Approved partner
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Get a quote →

Affiliate links. We may earn a commission at no extra cost to you.

Related guides you might find useful