What causes KUKA Robot alarm KRC0918?

Attempting to access or modify a local variable from outside its scope. Trying to call a function or module that is not accessible in the current context. Invalid data type casting or selection on an incompatible object. Accessing array or structure elements with incorrect or out-of-range indices. Attempting conditional selection or branching on an unsupported object type.

How do I fix KUKA Robot alarm KRC0918?

1. Review the KRL program syntax at the line indicated in the alarm message and verify object declarations are correct 2. Check variable scope definitions to ensure the object is accessible from the current execution location 3. Verify that function/module calls match their definitions and parameter requirements 4. Confirm all array and structure indices are within valid ranges and properly typed 5. Compare the program logic against KUKA KRL language documentation for the specific object type 6. Clear the alarm, correct the program, reload to the robot controller, and test execution

KUKA Robot codes

axismd.ai

KUKA Robot Controller

System · Basic

Alarm KRC0918

KUKA Robot KRC0918 - SELECTION INVALID HERE 2255

This alarm indicates an invalid selection or access attempt on a KRL program object that is not permitted in the current execution context. The operation attempted on <object name> is not allowed at this point in program flow or within the current scope.

KUKA RobotSystemBasic

KRC0918

KUKA Robot KRC0918 - SELECTION INVALID HERE 2255

SELECTION INVALID HERE 2255

Common Causes

Attempting to access or modify a local variable from outside its scope
Trying to call a function or module that is not accessible in the current context
Invalid data type casting or selection on an incompatible object
Accessing array or structure elements with incorrect or out-of-range indices
Attempting conditional selection or branching on an unsupported object type

Troubleshooting Steps

1Review the KRL program syntax at the line indicated in the alarm message and verify object declarations are correct
2Check variable scope definitions to ensure the object is accessible from the current execution location
3Verify that function/module calls match their definitions and parameter requirements
4Confirm all array and structure indices are within valid ranges and properly typed
5Compare the program logic against KUKA KRL language documentation for the specific object type
6Clear the alarm, correct the program, reload to the robot controller, and test execution

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