BoilerFaultCodesYour boiler's internal computer has encountered a critical electronic glitch and cannot communicate with the system components.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Internal error.
What causes this fault?
This fault occurs when the boiler's main control board suffers a critical electronic failure, essentially losing its ability to process data or talk to the sensors. The most common reason is an electrical surge or a component failure within the circuit board's internal memory. Because the 'brain' of the boiler can no longer guarantee safe operation, it shuts the system down entirely.
DIY fix possible
Press and hold the 'Reset' button for five secondsWait up to 30 seconds for the boiler to restartIf the code persists, check if the fault occurs only when using hot water
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A boiler cover plan would cover faults like F0 — no call-out fees, no surprises.
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Worcester Bosch RD 532i RD is discontinued — time for a new one?
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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