What does the Ariston S 01 fault code mean?

Your boiler failed to light on its first try and needs a quick reset to attempt to restart the burner.

How much does it cost to fix Ariston error code S 01?

Typical repair cost for the Ariston S 01 fault is £120-250 including labour.

Locate the reset button on your boiler control panel.

Flame not detected on first 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.