What causes KUKA Robot alarm KRC0908?

Attempting to assign a POS, AXIS, or other non-FRAME data type to a FRAME variable. Using incorrect variable type in comparison or assignment operation. Missing or incorrect type casting between incompatible data structures. Referencing wrong variable name that contains different data type than expected. Syntax error in frame definition or assignment statement at the specified line.

How do I fix KUKA Robot alarm KRC0908?

1. Navigate to line 2245 in the KRL source file and identify the assignment or comparison statement causing the error 2. Verify that the left operand variable is declared as FRAME data type using DECL statements 3. Check that the right operand is also a FRAME type or can be properly converted to FRAME 4. If assigning from a POS variable, use proper conversion functions like POS_TO_FRAME() if available, or restructure the code 5. Review variable declarations at the beginning of the program to ensure correct data types are used 6. Recompile the KRL program after corrections and verify the syntax is valid before downloading to the robot

KUKA Robot codes

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KUKA Robot Controller

System · Basic

Alarm KRC0908

KUKA Robot KRC0908 - LEFT OPERAND NOT EQUAL TO POS, FRAME 2245

This alarm occurs when a KRL program attempts to compare or assign a non-FRAME data type to a FRAME variable at line 2245. The left operand in the expression does not match the expected FRAME data structure, causing a type mismatch error during compilation or runtime.

KUKA RobotSystemBasic

KRC0908

KUKA Robot KRC0908 - LEFT OPERAND NOT EQUAL TO POS, FRAME 2245

LEFT OPERAND NOT EQUAL TO POS, FRAME 2245

Common Causes

Attempting to assign a POS, AXIS, or other non-FRAME data type to a FRAME variable
Using incorrect variable type in comparison or assignment operation
Missing or incorrect type casting between incompatible data structures
Referencing wrong variable name that contains different data type than expected
Syntax error in frame definition or assignment statement at the specified line

Troubleshooting Steps

1Navigate to line 2245 in the KRL source file and identify the assignment or comparison statement causing the error
2Verify that the left operand variable is declared as FRAME data type using DECL statements
3Check that the right operand is also a FRAME type or can be properly converted to FRAME
4If assigning from a POS variable, use proper conversion functions like POS_TO_FRAME() if available, or restructure the code
5Review variable declarations at the beginning of the program to ensure correct data types are used
6Recompile the KRL program after corrections and verify the syntax is valid before downloading to the robot

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