BoilerFaultCodesTechnical description
No power at control board
What causes this fault?
This fault occurs when the boiler's electrical circuit is broken, preventing power from reaching the internal computer. The most common reasons are a tripped fuse in your home's consumer unit, a blown fuse inside the boiler itself, or a total failure of the main printed circuit board. Essentially, the boiler is unable to 'wake up' because its electrical supply has been cut off.
This issue is slightly more frequent during winter due to power surges caused by stormy weather or increased electrical demand putting pressure on aging components.
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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