KUKA Robot codes
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KUKA Robot Controller

System · Basic

Alarm KRC0256

KUKA Robot KRC0256 - DRIFT COMPLETED

Drift compensation has completed its cycle, indicating the robot arm has exceeded acceptable position deviation tolerances during operation. This alarm requires immediate attention to the positioning accuracy and power delivery systems to prevent further degradation of motion precision.

KUKA RobotSystemBasic

KRC0256

KUKA Robot KRC0256 - DRIFT COMPLETED

DRIFT COMPLETED

Drift compensation has completed its cycle, indicating the robot arm has exceeded acceptable position deviation tolerances during operation. This alarm requires immediate attention to the positioning accuracy and power delivery systems to prevent further degradation of motion precision.

Common Causes

  • Power module voltage fluctuations or insufficient current delivery to servo drives
  • Mechanical wear in joint bearings causing increased friction and position lag
  • Thermal drift in encoder feedback signals due to extended runtime without cooling cycles
  • Loose mechanical connections in the kinematic chain reducing structural rigidity
  • Inadequate or expired calibration of absolute encoders on individual axes

Troubleshooting Steps

  1. 1Acknowledge the alarm on the KUKA smartPAD and document the timestamp and current axis positions
  2. 2Verify power module output voltage and current specifications using diagnostic menus in KRC4 cabinet
  3. 3Perform a complete axis mastering procedure for all joints using the WorkVisual engineering tool
  4. 4Inspect all mechanical joints and fasteners for visible wear, looseness, or contamination
  5. 5Allow the robot to cool for 30 minutes, then perform a manual five-point positioning test on each axis
  6. 6If drift persists after mastering, contact KUKA service for power module inspection or replacement

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