Medium
P.05 on Glow-worm Easicom3 Combi

Your boiler has detected low water pressure and is automatically attempting to refill itself and clear any trapped air from the system.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Fillingtheproduct:Theprioritisingdivertervalvemovestothemid-position.Theburnerandpumpswitchoff(tofillordraintheproduct).Ifthepressureislowerthan0.03MPa(0.3bar)andthenisabove0.05MPa(0.5bar)forlongerthan15seconds,theautomaticpurgingfunctionisactivated.Thefunctionisactivefor15minutes.

From this model's manual
Verified against the Glow Worm Easicom3 Combi installation & service manual, page 40.
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 fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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