Siemens · SINAMICS V70 Drives
This alarm is issued if a date equal to or later than the lock date is set, or if a future date earlier than the lock date is set. Consequences vary based on whether an NC restart has been performed.
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If no NC restart has been performed, immediately correct the date on the HMI to the actual current date.
If an NC restart has occurred after setting a date equal to or later than the lock date, alarm 8064 will be issued; contact the machine manufacturer/dealer for CNC lock deactivation/reactivation.
If an NC restart has occurred after setting a future date earlier than the lock date, the service life until the lock date is reduced; contact the machine manufacturer/dealer for CNC lock deactivation/reactivation.
Always ensure the system date is accurate and not manipulated.