What does the Ariston 70 ❍, 80 ❍, yellow ❍ fault code mean?

Your boiler is struggling to talk to its internal control system, which prevents it from safely igniting or providing heating and hot water.

How much does it cost to fix Ariston error code 70 ❍, 80 ❍, yellow ❍?

Typical repair cost for the Ariston 70 ❍, 80 ❍, yellow ❍ fault is £150-300 including labour.

Communication error

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

Almost always a stuck diverter valve on combis.

Safety-critical — turn off, read this.

7 signs repair isn't worth it anymore.