What the manual says
Manufacturer manualThe boiler is in heating mode
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.
DIY fix possible
No action is required as this is a status code, not a fault.Check your thermostat to ensure it is set to your desired temperature.Wait for the heating cycle to complete.
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