1299

SERCOS state class 1: Servo error %s-axis.

Bosch Rexroth · Motion Control

What does 1299 mean?

This SERCOS state class 1 error indicates a general servo error on the specified axis. The drive attempts the best possible response with a subsequent torque release. This is a broad category for issues within the servo loop or the drive, requiring further investigation.

Common Causes

  • Servo loop fault
  • Drive fault
  • General servo error on the %s-axis.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Initiate a control reset in the active channel.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Bosch Rexroth Motion Control