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Glow-worm — Betacom 4 Combi
Select a fault code
Fault Codes
F.22Low water pressure🔄 Try Reset
System pressure below minimum.
F.28Ignition failure🔄 Try Reset
Ignition failed after multiple attempts.
F.29Flame loss🔄 Try Reset
Flame lit then extinguished.
F.49eBUS fault🔧 Engineer Required
Communication fault between boiler and controls.
F.62Gas valve fault🔧 Engineer Required
Gas valve not seating correctly.
F.73Pressure sensor fault🔧 Engineer Required
Implausible pressure sensor reading.
F.75Pump/pressure sensor🔧 Engineer Required
No pressure change at pump start.
F.83No temperature rise🔧 Engineer Required
No temperature rise detected on startup.
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