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

Your boiler was working but the flame has gone out unexpectedly, often due to a temporary interruption in the gas supply or a drainage issue.

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

Typical repair cost for the Glow-worm F.29 fault is £90-250 including labour.

Check that your gas meter has credit and the isolation valve is open

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.

7 signs repair isn't worth it anymore.