What does the Ariston 1 16 fault code mean?

Your boiler has detected that a safety device designed to prevent your underfloor heating from overheating has been triggered and cut the connection.

How much does it cost to fix Ariston error code 1 16?

Typical repair cost for the Ariston 1 16 fault is £90-180 including labour.

floor thermostat contact open

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

Work through these before the call-out.

Lockout fault with a reset-needed pattern.

Safety-critical — turn off, read this.