BoilerFaultCodesWhat the manual says
Manufacturer manualEnable/disable internal programmer
Shared across the Ultracom 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
Check your external or internal timer settings to ensure they are programmed as desiredIf the boiler is operating normally, you can simply ignore this status messageIf the heating is not working, try resetting the timer or the boiler itself
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All 41 fault codes on the Ultracom 24cx 30cx
Seeing a different code? Every code this model can display, in one place.