Independent technical reference
Glow-worm
7 published entries
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Equipment covered
Documented codes
Gas boiler 7
F20Glow-worm F20 on a gas boiler: safety thermal cut out operatedHigh· BoilersF27Glow-worm F27 on a gas boiler: flame signal with burner offHigh· BoilersF28Glow-worm F28 fault: ignition unsuccessfulHigh· BoilersF29Glow-worm F29 on a gas boiler: flame lost, failed to reigniteHigh· BoilersF22Glow-worm F22 on a gas boiler: low water pressureMedium· BoilersF24Glow-worm F24 on a gas boiler: temperature rises too quicklyMedium· BoilersF75Glow-worm F75 on a gas boiler: no pressure change at pump startMedium· Boilers