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Alarm 8064

Alarm 8064: CNC lock date reached, NC start disabled

Siemens · SINAMICS V70 Drives

What does Alarm 8064 mean?

This alarm indicates that the predefined lock date has been reached, and consequently, the NC start function has been disabled, preventing machine operation.

Common Causes

  • The system's internal lock date has passed

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Contact the machine manufacturer or dealer without delay to deactivate the CNC lock function.

  2. 2

    Provide necessary machine identification (e.g., license certificate, serial numbers) to the manufacturer or dealer for unlocking.

  3. 3

    Do not attempt to operate the machine until the lock is deactivated.

Browse all codes in this manual (38)
Verified technical data. Last updated: April 2026

Related Faults

700010Alarm 700010 - Handwheel active700012Alarm 700012 - Spindle is braking700014Alarm 700014 - Spindle gear change timed out
Source: Siemens SINAMICS V70 Drives
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