What does the Ferroli F1 fault code mean?

Your boiler has failed to ignite, meaning it cannot create the flame needed to provide you with heating or hot water.

How much does it cost to fix Ferroli error code F1?

Typical repair cost for the Ferroli F1 fault is £100-300 including labour.

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

The burner fails to light. Check that the gas supply is open and that there is no air in the pipes.

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

Almost always a stuck diverter valve on combis.

Lockout fault with a reset-needed pattern.

Older boilers — thermocouple, draught, gas supply.