KUKA Robot codes
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KUKA Robot Controller

System · Basic

Alarm KRC0741

KUKA Robot KRC0741 - ’IS’ EXPECTED 2077

This alarm indicates a syntax error in KRL program code where the keyword 'IS' was expected but not found at the specified location. The parser encountered a token that does not match the expected 'IS' keyword, which is typically used in KRL declarations and type definitions. This prevents the program from being compiled or executed until the syntax is corrected.

KUKA RobotSystemBasic

KRC0741

KUKA Robot KRC0741 - ’IS’ EXPECTED 2077

’IS’ EXPECTED 2077

This alarm indicates a syntax error in KRL program code where the keyword 'IS' was expected but not found at the specified location. The parser encountered a token that does not match the expected 'IS' keyword, which is typically used in KRL declarations and type definitions. This prevents the program from being compiled or executed until the syntax is corrected.

Common Causes

  • Missing 'IS' keyword in a DEFFCT, DEF, or type declaration statement
  • Typo or misspelling of the 'IS' keyword in variable or function definitions
  • Incorrect syntax structure where 'IS' should appear between object name and type/value assignment
  • Missing or misplaced whitespace or special characters breaking the expected token sequence
  • Attempting to use reserved words or identifiers that conflict with KRL syntax rules

Troubleshooting Steps

  1. 1Open the KRL source file mentioned in the alarm message and navigate to the line indicated by the error reference
  2. 2Review the declaration statement syntax; ensure 'IS' keyword is present between the object name and its type/value definition
  3. 3Check for typos in 'IS' keyword and verify correct spacing around the keyword
  4. 4Compare the problematic code structure against KRL language documentation for proper declaration syntax
  5. 5If using an IDE, enable syntax highlighting and validation to identify missing or misplaced keywords
  6. 6Correct the syntax error, save the file, and recompile or reload the program to verify the alarm is resolved

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