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Glow Worm boilers
Specifications, fault codes and service routines for popular Glow Worm gas boilers on BoilerTag.
Real-world Glow Worm fault diagnostics
Diagnostic checklists from engineer-submitted Glow Worm faults, with step-by-step checks and safety notes.
- Energy 25c — fault F.32 →
The Glow Worm Energy 25c displaying fault code F.32, with the fan cycling erratically and making a struggling humming noise, indicates an…
- Energy 25c — fault F.28 →
The Glow Worm Energy 25c displaying an F.28 fault code indicates an ignition failure.