What the manual says
Manufacturer manualFillingtheproduct: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.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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