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Alarm 8065

Alarm 8065: Date set earlier than actual date, NC start disabled

Siemens · SINAMICS V70 Drives

What does Alarm 8065 mean?

This alarm is issued after an NC restart if the system date was set to a date earlier than the actual current date, which disables the NC start function.

Common Causes

  • Incorrect system date setting (set to a past date)

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Correct the date on the HMI to the actual current date.

  2. 2

    Perform an NC restart again to clear the alarm and re-enable the NC start function.

  3. 3

    Verify that the corrected date persists after restarting the system.

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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