What does the Ariston 1 01 fault code mean?

Your boiler has detected that it is getting too hot and has automatically shut down to prevent damage to its internal systems.

How much does it cost to fix Ariston error code 1 01?

Typical repair cost for the Ariston 1 01 fault is £120-250 including labour.

Overheat

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

Each noise points to a different fault.

Almost always a stuck diverter valve on combis.

Sludge build-up — needs flushing, not bleeding.