How much does it cost to fix Glow-worm error code Boiler Model?

Typical repair cost for the Glow-worm Boiler Model fault is £100-280 including labour.

Boiler Model High

Glow-worm Boiler Model Fault Code

Q: What does the Glow-worm Boiler Model fault code mean?

Your boiler has lost its internal configuration, meaning it no longer knows which model it is and has stopped working for safety.

Also written as BOILERMODEL — same fault.

The Glow-worm Boiler Model fault code means: your boiler has lost its internal configuration, meaning it no longer knows which model it is and has stopped working for safety.. It appears on 3 Glow-worm models in our database.

Technical description: Fault Code

Typical repair cost £100-280 (including labour)

Engineer required

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

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Glow-worm models that show the Boiler Model fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Glow-worm Boiler Model 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