What does the Glow-worm F.29 fault code mean?

Your boiler was working but the flame has gone out unexpectedly, often because it is struggling to get enough gas or the burner is dirty.

How much does it cost to fix Glow-worm error code F.29?

Typical repair cost for the Glow-worm F.29 fault is £100-£350 including labour.

Check that your gas meter has credit (if on prepay) and that other gas appliances like your hob are working.

Flame loss

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Lockout fault with a reset-needed pattern.

Older boilers — thermocouple, draught, gas supply.

Safety-critical — turn off, read this.