KUKA Robot codes
AxisMD

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KUKA Robot Controller

Servo/Axis · Basic

Alarm KRC0244

KUKA Robot KRC0244 - Ackn. servobus DSENo. participant No. not available

A servo bus device acknowledgment has failed because the configured device or participant number exceeds the actual hardware present on the servobus network. This indicates a mismatch between the system configuration and physical servo axis hardware.

KUKA RobotServo/AxisBasic

KRC0244

KUKA Robot KRC0244 - Ackn. servobus DSENo. participant No. not available

Ackn. servobus DSENo. participant No. not available

A servo bus device acknowledgment has failed because the configured device or participant number exceeds the actual hardware present on the servobus network. This indicates a mismatch between the system configuration and physical servo axis hardware.

Common Causes

  • Machine data servobus participant configuration references non-existent axis modules
  • Incorrect axis numbering in the device assignment table during WorkVisual configuration
  • Servo drive module not powered or disconnected from the servobus network
  • Corrupted or outdated firmware on servo bus participants causing handshake failure
  • DSE (Distributed Servo Electronics) configuration mismatch between KRC4 controller and actual hardware

Troubleshooting Steps

  1. 1Power off the robot controller and verify all servo drive connectors are firmly seated
  2. 2Use the KUKA smartPAD servobus diagnostics function to scan and identify actual connected participants
  3. 3Open the machine data file in WorkVisual and compare the configured participant numbers against the diagnostic report
  4. 4Correct the participant number assignments in machine data to match the physical hardware configuration
  5. 5Update servo drive firmware if indicated by diagnostics and perform a complete system initialization
  6. 6Reload the corrected machine data from WorkVisual and perform a full system startup and verification

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