Unknown
Red light on Glow-worm 54/4 BBU

Glow-worm 54/4 BBU fault code Red light

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

Pilot light is not operating correctly, or the flue blockage safety device has been activated

From this model's manual
Verified against the Glow Worm/Glow Worm Baxi Gc No 44 047 05 installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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