What does the Ariston Red LED I (Overheat) fault code mean?

Your boiler has automatically turned itself off because it has detected that the water inside is getting dangerously hot.

How much does it cost to fix Ariston error code Red LED I (Overheat)?

Typical repair cost for the Ariston Red LED I (Overheat) fault is £120-250 including labour.

Shutdown Due To Overheating: In the event that the safety limit is exceeded for the temperature of the water in the boilers exchanger

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.

Sludge build-up — needs flushing, not bleeding.

7 signs repair isn't worth it anymore.