Low
FH on Ferroli Force W

Your boiler is currently running a scheduled automatic process to remove trapped air from the system, which typically occurs after it has been switched on or reset.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

300-second air venting cycle

From this model's manual
Verified against the Ferroli Force W 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 5 minutes until the timer completesDo not turn off or reset the boiler during this processObserve if the display changes once the 300 seconds have passed

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