Smell gas? Leave the property and call the National Gas Emergency line on 0800 111 999
BoilerCodes
F.63
Glow-worm fault code

Glow-worm F.63: fault in the main board

Engineer only

Glow-worm describes F.63 on Betacom A range boilers as: fault in the main board.

What you can safely do

There is nothing you can safely do yourself with this one. Leave the boiler off and book an engineer.

Call a Gas Safe engineer if

  • Book a Gas Safe registered engineer.
Find a Gas Safe engineer near you Opens the official Gas Safe Register search.

Applies to: Betacom A range. Codes can differ between models, so check your manual.

What F.63 means on each Glow-worm model

From Glow-worm's own fault tables. Your model name is usually on the front of the boiler or in the user manual.

ModelMeaning
Betacom A rangeFault in the main board

Common questions about Glow-worm F.63

Can I fix Glow-worm F.63 myself?

No. It needs a Gas Safe registered engineer to diagnose. Tell them the exact code and your boiler's model name.

Nearby Glow-worm codes

See all 41 Glow-worm codes

Sources