KUKA Robot codes
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KUKA Robot Controller

System · Basic

Alarm KRC0422

KUKA Robot KRC0422 - ROBOT MASTERED

This is an informational alarm indicating that all robot axes have been successfully mastered and are ready for operation. Mastering is the calibration process where the robot controller establishes the actual position of each axis relative to its mechanical reference points. This alarm confirms that the KRC controller has completed axis initialization and the robot is prepared for teach mode or automatic operation.

KUKA RobotSystemBasic

KRC0422

KUKA Robot KRC0422 - ROBOT MASTERED

ROBOT MASTERED

This is an informational alarm indicating that all robot axes have been successfully mastered and are ready for operation. Mastering is the calibration process where the robot controller establishes the actual position of each axis relative to its mechanical reference points. This alarm confirms that the KRC controller has completed axis initialization and the robot is prepared for teach mode or automatic operation.

Common Causes

  • Normal completion of robot startup and axis mastering sequence
  • Successful execution of manual mastering procedure via teach pendant
  • Recovery after a mastering loss due to power cycle or emergency stop reset
  • Completion of axis recalibration following maintenance or axis replacement
  • Restoration of mastering status after resolver or encoder error correction

Troubleshooting Steps

  1. 1Verify this is an informational message and not an error condition by checking the alarm log context and robot status display
  2. 2Confirm all axes show green status indicators on the teach pendant or KRC display panel
  3. 3Check that the robot can move smoothly in teach mode without axis jump or positioning errors
  4. 4Verify encoder/resolver feedback is stable by monitoring axis actual positions in the diagnostics menu
  5. 5If mastering was unexpectedly lost, perform a manual mastering cycle using the teach pendant reference position routine
  6. 6Clear the alarm and proceed with normal operation; contact KUKA service if mastering repeatedly fails during startup sequence

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