BoilerFaultCodesYour boiler has detected an internal communication error between its electronic control components and is unable to start for safety reasons.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: GFA status (not applicable)
What causes this fault?
This fault occurs when the boiler's internal computer system loses the ability to talk to its electronic components. It is usually caused by a physical break in the internal wiring or a critical failure of the main printed circuit board, which prevents the boiler from performing its safety checks.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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