What does the Ariston AA0011 fault code mean?

Your boiler has tried to light several times but has failed to create or detect a flame, causing the system to lock out for safety.

How much does it cost to fix Ariston error code AA0011?

Typical repair cost for the Ariston AA0011 fault is £100-350 including labour.

Check if your gas supply is active by testing other gas appliances like a hob.

Too many attempts to ignite on starting up

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.