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
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Step 1
Do not attempt any gas work yourself
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Step 2
A Gas Safe engineer will need to test the gas valve and PCB relay
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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.