What does the Ariston S 02 fault code mean?

Your boiler is struggling to light its flame after two tries, which means it cannot heat your home or water.

How much does it cost to fix Ariston error code S 02?

Typical repair cost for the Ariston S 02 fault is £100-350 including labour.

Check if other gas appliances like a hob are working to ensure your gas supply is active

Flame not detected on second attempt

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.