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607 FAULT CODE
Ariston

Gas Valve Relay Fault

High Severity Engineer Required

The gas valve relay on the PCB is not operating correctly. The boiler cannot safely control the gas supply.

Step-by-Step Fix Guide

  1. Step 1

    Do not attempt any gas work yourself

  2. Step 2

    A Gas Safe engineer will need to test the gas valve and PCB relay

  3. Step 3 Engineer only

    The PCB or gas valve may need replacing

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.

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