What does the Ariston A02 fault code mean?

Your boiler has stopped working because the water pressure is too low, meaning there isn't enough water inside the system to operate safely.

How much does it cost to fix Ariston error code A02?

Typical repair cost for the Ariston A02 fault is £0-120 including labour.

Locate the filling loop (usually a silver braided hose with small taps) underneath the boiler.

check the pressure gauge to see if the water pressure in the appliance is 1 bar

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

Six most common causes of dropping pressure.

Step-by-step using the filling loop.

7 signs repair isn't worth it anymore.