BoilerFaultCodesYour boiler's internal computer brain has encountered a glitch or failure and is struggling to run its operating system.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Software Error
What causes this fault?
This fault occurs when the boiler's internal control board suffers a critical hardware failure or data corruption, preventing it from executing its safety checks. The most common reason is age-related degradation of the electrical components on the circuit board, which eventually stops the 'brain' of the boiler from processing instructions correctly.
DIY fix possible
Switch the boiler's electrical power supply off at the fused spur switchWait for approximately 60 secondsSwitch the power back on and see if the error clears
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A boiler cover plan would cover faults like Software Error — no call-out fees, no surprises.
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