KUKA Robot codes
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KUKA Robot Controller

System · Basic

Alarm KRC0870

KUKA Robot KRC0870 - “SEC”, “FOR” OR “CLOCK” EXPECTED 2206

This alarm indicates a syntax error in the KRL program where the parser expected a SEC (security), FOR (loop), or CLOCK keyword but encountered something different. The error occurs during program compilation or interpretation at the point marked by error code 2206, typically when processing program structure or control flow statements.

KUKA RobotSystemBasic

KRC0870

KUKA Robot KRC0870 - “SEC”, “FOR” OR “CLOCK” EXPECTED 2206

“SEC”, “FOR” OR “CLOCK” EXPECTED 2206

This alarm indicates a syntax error in the KRL program where the parser expected a SEC (security), FOR (loop), or CLOCK keyword but encountered something different. The error occurs during program compilation or interpretation at the point marked by error code 2206, typically when processing program structure or control flow statements.

Common Causes

  • Missing or misspelled SEC, FOR, or CLOCK keyword in the program structure
  • Incorrect syntax in a FOR loop declaration or CLOCK statement definition
  • Missing or misplaced brackets, parentheses, or semicolons before the expected keyword
  • Using an undefined or incorrectly named variable where a keyword is expected
  • Mixing KRL syntax with incompatible language constructs or improper statement nesting

Troubleshooting Steps

  1. 1Open the KRL program file and navigate to the line number indicated by error code 2206
  2. 2Review the syntax around the error location for missing SEC, FOR, or CLOCK keywords
  3. 3Verify all FOR loop declarations follow correct syntax: FOR <variable> = <start> TO <end> statements ENDFOR
  4. 4Check that any CLOCK statements are properly formatted and placed in valid program contexts
  5. 5Ensure all opening brackets, parentheses, and braces have corresponding closing characters
  6. 6Recompile the program and verify the error is resolved; if persistent, compare with working program examples or KUKA KRL documentation

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