BoilerFaultCodesYour boiler has detected that the electrical wiring coming into the unit is connected the wrong way around, causing it to shut down for safety.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Live and neutral reversed error
What causes this fault?
This fault occurs when the electrical supply to the boiler has been wired incorrectly, meaning the electricity is flowing in the opposite direction than intended. It most commonly happens after recent electrical work in the home or if a new plug socket has been installed incorrectly near the heating system.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
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