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Alarm 8062

Alarm 8062: New serial numbers of PPU and CF card after replacement

Siemens · SINAMICS V70 Drives

What does Alarm 8062 mean?

This alarm is issued after a defective PPU is replaced, indicating that the new PPU and CF card have new serial numbers. This may require specific activation procedures.

Common Causes

  • Replacement of a defective PPU, leading to new serial numbers for the PPU and CF card

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Refer to 'Case 2 of CNC lock function in Section "Option activation failure after PPU replacement (Page 25)"' for detailed instructions on how to clear this alarm.

  2. 2

    Ensure all components are correctly seated after replacement.

  3. 3

    Contact the machine manufacturer or dealer for specific activation procedures if the issue persists.

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
Open Manual (Page 30)Search more codes in this manual