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KUKA Robot Controller
System · Basic
KUKA Robot KRC0859 - “WHEN” EXPECTED 2195
This syntax error indicates that the KRL compiler expected a WHEN keyword at the specified location in the program source code, but found error code 2195 instead. The parser encountered an unexpected token or structure where a WHEN statement should have been present in a conditional or event-handling context.
KRC0859
KUKA Robot KRC0859 - “WHEN” EXPECTED 2195
“WHEN” EXPECTED 2195
This syntax error indicates that the KRL compiler expected a WHEN keyword at the specified location in the program source code, but found error code 2195 instead. The parser encountered an unexpected token or structure where a WHEN statement should have been present in a conditional or event-handling context.
Common Causes
- Missing WHEN keyword in an IF-WHEN or SWITCH-WHEN statement structure
- Incorrect syntax in conditional logic or event handler declaration
- Misplaced or malformed WHEN clause within a program block
- Missing or extra parentheses/brackets disrupting the expected syntax flow
- Copy-paste error or incomplete code refactoring leaving syntax inconsistencies
Troubleshooting Steps
- 1Open the KRL source file and navigate to the line number indicated in the alarm message
- 2Review the code structure around the error location for missing WHEN keywords
- 3Verify that all conditional statements (IF-WHEN, SWITCH-WHEN) follow correct KRL syntax
- 4Check for balanced parentheses and brackets in the affected code block
- 5Compare the problematic code against KUKA KRL syntax documentation or working examples
- 6Correct the syntax error, save the file, and recompile the program to clear the alarm
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