Skip to main content
31 FAULT CODE
Alpha

Loss of Communication with External Control

Low Severity Engineer Required

The boiler has lost communication with the Alpha Climatic remote control system.

Step-by-Step Fix Guide

  1. Step 1

    Check the wiring between the boiler and remote control/receiver

  2. Step 2

    Check the receiver is powered

  3. Step 3 Engineer only

    If fault persists, call a Gas Safe engineer to check the eBUS wiring

Gas Safe Reminder

Work on gas appliances must be carried out by a Gas Safe registered engineer. The steps above cover safe checks a homeowner can perform - any internal component replacement requires a qualified professional. If in doubt, always call an engineer.

Are you a Gas Safe Engineer?

Access technical fault data, wiring diagrams, and parts lists. Free for verified Gas Safe engineers.