1296

SERCOS state class 1: Over-voltage fault %s-axis.

Bosch Rexroth · Motion Control

What does 1296 mean?

A SERCOS state class 1 error indicating an over-voltage condition on the specified axis. The drive attempts the best possible response with a subsequent torque release. This fault typically originates from an issue within the servo loop or the drive's power supply.

Common Causes

  • Servo loop fault
  • Drive fault
  • Over-voltage condition 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

1301SERCOS state class 1: Position limit of %s-axis exceeded.1291SERCOS state class 1: Cooling fault cut-off %s-axis.1294SERCOS state class 1: Error in electronic commutation system %s-axis.
Source: Bosch Rexroth Motion Control
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