KUKA Robot codes
AxisMD

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KUKA Robot Controller

Servo/Axis · Basic

Alarm KRC0368

KUKA Robot KRC0368 - ACKN SERVO BUS DISTURBANCE DSE **, NO BUFFERING AND AUTOMATIC DATA STORAGE POSSIBLE

A disturbance has been detected on the servo bus (DSE) and the system cannot buffer or automatically store diagnostic data due to the severity of the communication failure. This indicates a critical servo bus communication error that prevents normal data logging and recovery mechanisms from functioning.

KUKA RobotServo/AxisBasic

KRC0368

KUKA Robot KRC0368 - ACKN SERVO BUS DISTURBANCE DSE **, NO BUFFERING AND AUTOMATIC DATA STORAGE POSSIBLE

ACKN SERVO BUS DISTURBANCE DSE **, NO BUFFERING AND AUTOMATIC DATA STORAGE POSSIBLE

A disturbance has been detected on the servo bus (DSE) and the system cannot buffer or automatically store diagnostic data due to the severity of the communication failure. This indicates a critical servo bus communication error that prevents normal data logging and recovery mechanisms from functioning.

Common Causes

  • Loose or damaged servo bus cables between controller and drive units
  • Electromagnetic interference (EMI) affecting servo bus signal integrity
  • Defective servo drive module or power supply unit
  • Corrupted or outdated servo bus firmware on drive electronics
  • High ambient temperature or humidity causing connection degradation

Troubleshooting Steps

  1. 1Power cycle the robot controller completely (turn off main power for 30 seconds minimum)
  2. 2Inspect all servo bus connectors for physical damage, corrosion, or loose connections and reseat firmly
  3. 3Check servo bus cable routing for pinches, cuts, or proximity to high-voltage power lines causing EMI
  4. 4Verify servo drive firmware versions match controller firmware using KUKA.Workbench diagnostics
  5. 5Test individual servo drives by isolating each axis connection to identify the faulty drive module
  6. 6Contact KUKA service if disturbance persists after cable inspection; servo bus hardware replacement may be required

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