BoilerFaultCodesTechnical description
At stand-by with no faults
What causes this fault?
This is the standard status for your boiler when it is powered on but not currently being asked to provide heat. It means the internal systems have passed all safety checks and the unit is simply resting until you turn on a hot tap or the thermostat clicks on. There is no physical fault or component failure occurring when you see this light sequence.
DIY fix possible
Check that your room thermostat is turned upEnsure your programmer or timer is set to 'ON'Check that the boiler main power switch is in the correct position
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