Glow-worm Betacom Fault Code
Also written as BETACOM — same fault.
The Glow-worm Betacom fault code means: your boiler has likely lost flame or suffered a lockout, meaning it has shut down for safety and cannot provide heating or hot water until reset.. It appears on 3 Glow-worm models in our database.
Technical description: Red LED on
DIY fix possible
Locate the reset button (usually indicated by a flame with a cross through it or the power button).Press and hold the reset button for five seconds.Ensure your gas supply is active and that your prepaid meter (if applicable) has credit.
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Gas Safe Register →Glow-worm models that show the Betacom fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Glow-worm Betacom fault code information on this page is sourced and cross-checked against the official Glow-worm service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026