A01590

Drive: Motor maintenance interval expired

Siemens · SINAMICS G120C Variable Speed Drive

What does A01590 mean?

The selected service/maintenance interval for this motor has been reached. The alarm value (r2124) indicates the motor data set number. This alarm signifies that routine maintenance is due for the motor. Ignoring it can lead to decreased performance, potential component wear, or unexpected failures if the underlying maintenance is critical for continued operation.

Common Causes

  • The motor's operating hours or cycles have exceeded a predefined maintenance limit (P0610), triggering a routine service reminder.
  • Degradation of motor bearing grease or wear of internal components due to accumulated operating time.
  • Scheduled maintenance interval has expired, indicating that routine inspection and servicing are due for the motor or associated equipment.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Record the current operating hours/cycles from parameter r0036 or r0037.

  2. 2

    Perform all scheduled maintenance tasks as per motor manufacturer guidelines, including bearing lubrication or replacement.

  3. 3

    Reset the maintenance interval counter in parameter P0611 after completing all necessary maintenance.

Browse all codes in this manual (34)
Verified technical data. Last updated: March 2026

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Source: Siemens SINAMICS G120C Variable Speed Drive
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