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KUKA Robot Controller
System · Intermediate
KUKA Robot KRC0289 - VGROOVE HAS WRONG PROFILE
This alarm indicates that the mastering groove profile used for EGP (External Guided Programming) adjustment does not conform to the required V or U shaped geometry specification. The KRC controller detected an invalid groove profile during the EGP calibration or mastering process, which prevents proper encoder adjustment and motion synchronization.
KRC0289
KUKA Robot KRC0289 - VGROOVE HAS WRONG PROFILE
VGROOVE HAS WRONG PROFILE
This alarm indicates that the mastering groove profile used for EGP (External Guided Programming) adjustment does not conform to the required V or U shaped geometry specification. The KRC controller detected an invalid groove profile during the EGP calibration or mastering process, which prevents proper encoder adjustment and motion synchronization.
Common Causes
- Mastering groove has been worn, damaged, or deformed from its original V or U profile geometry
- Incorrect groove profile was machined or installed that does not meet KUKA specification requirements
- Contamination, debris, or buildup in the groove affecting the profile detection
- Encoder sensor misalignment or improper positioning relative to the groove profile
- Incorrect mastering groove selected or referenced in the KRC controller configuration
Troubleshooting Steps
- 1Visually inspect the mastering groove profile to verify it maintains proper V or U shape geometry according to KUKA specifications and technical drawings
- 2Clean the mastering groove thoroughly to remove any debris, oil, or contamination that may be affecting profile detection
- 3Verify the encoder sensor is properly aligned and positioned at the correct distance from the groove profile as per installation manual
- 4Check the KRC controller configuration to confirm the correct mastering groove type and EGP settings are specified
- 5Measure the groove profile dimensions using calipers or profile gauge to confirm compliance with KUKA design specifications
- 6If groove is damaged or non-compliant, replace the mastering groove component and re-perform the EGP calibration procedure through the KRC teach pendant
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