What does the Alpha 31 fault code mean?

Your boiler has lost its connection to the main thermostat or control panel, meaning it cannot receive instructions to turn the heating on.

How much does it cost to fix Alpha error code 31?

Typical repair cost for the Alpha 31 fault is £90-180 including labour.

Check if the batteries in your Alpha Climatic room thermostat need replacing

Loss of communication with external control (Alpha Climatic)

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.