BoilerFaultCodesYour boiler's internal computer brain has developed a terminal electronic glitch and can no longer control the heating process safely.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: internal failure - electronic
What causes this fault?
This fault occurs when the boiler's main control board suffers a critical hardware failure, meaning it can no longer process data or send signals to other components. The most common reasons for this are electrical surges that damage the delicate circuitry or general wear and tear on the board's capacitors over time. Because the 'brain' of the boiler is essentially broken, it can no longer guarantee safe operation.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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