What causes KUKA Robot alarm KRC0931?

Array declared but not properly initialized before use. Array index out of bounds or negative index value. Array passed as parameter without proper dimensionality matching. Incorrect array declaration syntax or missing size specification. Memory corruption or array pointer reference pointing to invalid memory location.

How do I fix KUKA Robot alarm KRC0931?

1. Review the KRL program source code around the error location and verify all array declarations include explicit size parameters 2. Check that arrays are initialized with DIM or DECL statements before any read/write operations 3. Verify array indices are non-negative and do not exceed the declared array dimensions 4. Validate that array parameters passed to functions match the expected array type and dimensions in the function signature 5. Compile the KRL program with syntax checking enabled to identify declaration or structural issues 6. If issue persists, create a minimal test program isolating the problematic array to confirm proper behavior

KUKA Robot codes

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KUKA Robot Controller

System · Basic

Alarm KRC0931

KUKA Robot KRC0931 - LEFT SIDE: ARRAY INVALID 2268

This alarm indicates that an array object on the left side of an assignment or operation is invalid or improperly initialized, preventing the KRL program from accessing or modifying array elements. The system detected a structural integrity issue with the array, such as incorrect declaration, null reference, or corrupted array metadata during runtime.

KUKA RobotSystemBasic

KRC0931

KUKA Robot KRC0931 - LEFT SIDE: ARRAY INVALID 2268

LEFT SIDE: ARRAY INVALID 2268

Common Causes

Array declared but not properly initialized before use
Array index out of bounds or negative index value
Array passed as parameter without proper dimensionality matching
Incorrect array declaration syntax or missing size specification
Memory corruption or array pointer reference pointing to invalid memory location

Troubleshooting Steps

1Review the KRL program source code around the error location and verify all array declarations include explicit size parameters
2Check that arrays are initialized with DIM or DECL statements before any read/write operations
3Verify array indices are non-negative and do not exceed the declared array dimensions
4Validate that array parameters passed to functions match the expected array type and dimensions in the function signature
5Compile the KRL program with syntax checking enabled to identify declaration or structural issues
6If issue persists, create a minimal test program isolating the problematic array to confirm proper behavior

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