BoilerFaultCodesYour boiler has lost its connection to the gas valve, meaning it cannot light the flame to provide heating or hot water.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: The contacts of the gas valve have been interrupted
What causes this fault?
This fault occurs when the boiler's central brain loses electrical communication with the gas valve, which acts as the fuel tap for the appliance. The most common reason is a loose connection or a break in the internal wiring, though it can also be triggered by a mechanical failure within the valve itself or a fault on the main circuit board.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
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Parts for discontinued models can be hard to find and expensive. A new A-rated boiler could save you money on both repairs and energy bills.
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