What does the Heatline F.28 fault code mean?

Your boiler has tried to light itself three times but failed to stay on, so it has safely shut down to prevent gas from building up.

How much does it cost to fix Heatline error code F.28?

Typical repair cost for the Heatline F.28 fault is £120-250 including labour.

After three successive failed ignition attempts, the system switches to fault mode.

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.