Glow-worm fault codes
From the Glow-worm manuals on file, range by range.
Glow-worm Energy Combi
- D.14Operating mode of the modulating pump
- F.00Flow temperature sensor fault
- F.01Return temperature sensor fault
- F.10Short circuit: flow temperature sensor
- F.11Short circuit: return temperature sensor
- F.22Safety shutdown: water deficiency in the boiler
- F.23Safety shutdown: temperature spread too great (NTC1/NTC2)
- F.24Safety shutdown: temperature rise too fast
- F.25Safety shutdown: flue gas temperature too high
- F.49EBUS fault: voltage too low
- F.61Fault: gas valve assembly control
- F.62Fault: gas valve switch-off control
Glow-worm Energy System
- D.14Operating mode of the modulating pump
- F.00Flow temperature sensor fault
- F.01Return temperature sensor fault
- F.10Short circuit: flow temperature sensor
- F.11Short circuit: return temperature sensor
- F.22Safety shutdown: water deficiency in the boiler
- F.23Safety shutdown: temperature spread too great (NTC1/NTC2)
- F.24Safety shutdown: temperature rise too fast
- F.25Safety shutdown: flue gas temperature too high
- F.49EBUS fault: voltage too low
- F.61Fault: gas valve assembly control
- F.62Fault: gas valve switch-off control
Glow-worm Flexicom
- F1Boiler has attempted to light 5 times and failed on all occasions
- F14Gas valve control defective
- F4Flame goes out whilst lit during a demand
- F77Condensate pump error (option)
- S.30No heating demand from external controls 230V
- S.36No heating demand from external controls 24V
- S.97Water pressure sensor check is running, demand (DHW or heating) is blocked