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KUKA Robot Controller
System · Basic
KUKA Robot KRC0658 - MACID IN USE 1612
This alarm indicates that a Motion Access ID (MACID) is already in use and cannot be assigned to another object or resource. The system detected an attempt to use a MACID that is currently allocated to another process or program object, preventing the operation from proceeding.
KRC0658
KUKA Robot KRC0658 - MACID IN USE 1612
MACID IN USE 1612
This alarm indicates that a Motion Access ID (MACID) is already in use and cannot be assigned to another object or resource. The system detected an attempt to use a MACID that is currently allocated to another process or program object, preventing the operation from proceeding.
Common Causes
- Multiple program objects attempting to use the same MACID simultaneously
- MACID not properly released after previous program execution
- Duplicate MACID declarations in different program modules
- Concurrent access attempts to the same motion resource by different tasks
- Software conflict where a background task still holds the MACID allocation
Troubleshooting Steps
- 1Stop all running programs and clear any background processes that may be holding MACID allocations
- 2Review the KRL program code to identify which objects are attempting to use the same MACID
- 3Ensure each motion resource or object has a unique MACID assignment in the program structure
- 4Verify that MACID resources are properly released at program termination or task completion
- 5Restart the robot controller and reload the affected program modules to reset MACID states
- 6If issue persists, perform a controlled robot shutdown and restart to clear all motion access allocations
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