Siemens SINUMERIK 828D Series Software And Hardware Service Manual page 51

14.Switch the control on.
15.The control boots normally.
Note
If the procedure is interrupted, then it must be restarted.
If the system CompactFlash Card is no longer identified as a bootable CompactFlash Card,
then a boot system must be generated on this card. (see also: This is how you create a
boot system (Page 56) )
In this case, the license key of the system CompactFlash Card should be transferred to the
control.
Software and hardware
Service Manual, 08/2018, 6FC5397-5DP40-6BA1
Service cases - software
3.3 Software backup
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