BoilerFaultCodesWhat the manual says
Manufacturer manualNo power
Shared across the range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
What causes this fault?
This fault occurs when the boiler's electrical supply is completely cut off, preventing the control system from functioning. The most common reasons are a tripped circuit breaker in your fuse box, a blown internal fuse on the boiler's circuit board, or a failure of the printed circuit board itself.
Engineer required
This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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