What does the Ariston E22 fault code mean?

Your boiler is struggling with the electrical power coming into your home, which is preventing it from starting up properly.

How much does it cost to fix Ariston error code E22?

Typical repair cost for the Ariston E22 fault is £100-280 including labour.

Turn the boiler off at the fused spur switch

Problem with the 50Hz power supply

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.

Safety-critical — turn off, read this.

7 signs repair isn't worth it anymore.