Glow-worm Betacom Fault codes & diagnostics

1 fault code with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.

Combi Natural GasLPG 24-30 kW 2006-2013 Discontinued
GC Numbers 47-019-0447-019-05

Replaced by: Betacom3

Download the Glow-worm Betacom manual The official installation & service manual (PDF) — the exact document these fault codes were verified against. PDF

This boiler uses indicator light combinations

Note which lights are on, off, or flashing and at what speed. Match the combination to the cards below. Do not reset until you have noted the pattern. How to read fault codes →

Versions & GC numbers

Which version do you have?

The GC number on your boiler's data badge identifies the exact appliance and production years, as recorded in the UK Product Characteristics Database.

GC number Appliance (register name) Produced
47-019-04 Betacom 24 2006–2013
47-019-05 Betacom 30 2006–2013
Fault codes

All 1 documented codes

Tap any card for details

Burner indicator Flashing

Your boiler has detected a simple operating error that usually means a control knob is in the wrong position or the system needs a basic restart.

Medium DIY-safe £0-80

What to check first

  1. Check that the Hot Water control knob is set to a normal temperature position
  2. Turn the left-hand control knob to the 'Reset' position
  3. Hold it for a few seconds, then turn it back to your desired setting

Parts commonly replaced

  • None (usually a settings issue)
  • Control Knob
Full explanation for Burner indicator Flashing