SOCT Copernicus PLUS - Service Manual
12.6.1 Control of feeding on board 151-512
After Turing on device, diode should light on board 151-512 informing of proper
board feeding.
Id diode LED1 stays off, check voltage on plug X1
If voltage on X1 connector is proper, but still diode stays off, we qualify board 151-506 as broken,
and needs to be exchanged