What causes KUKA Robot alarm KRC0749?

Channel name is misspelled or does not match predefined channel definitions in the system. Using an undefined or undeclared channel variable instead of a predefined channel constant. Missing or incorrect channel declaration in the program header or module initialization. Attempting to use a variable name instead of a literal predefined channel identifier. Channel name syntax does not conform to KUKA KRL naming conventions or reserved keywords.

How do I fix KUKA Robot alarm KRC0749?

1. Review the KRL program code and verify all channel names match the system's predefined channel definitions 2. Check the KUKA system documentation or KRC configuration files to confirm valid channel names for your application 3. Ensure channel declarations are properly initialized in the program header before use 4. Replace any variable references with the actual predefined channel constant names 5. Verify the spelling and capitalization of the channel name exactly as defined in the system 6. Recompile the KRL program after corrections and monitor the KRC console for confirmation that the alarm is resolved

KUKA Robot codes

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KUKA Robot Controller

System · Basic

Alarm KRC0749

KUKA Robot KRC0749 - PREDEFINED CHANNEL NAME EXPECTED 2085

This alarm indicates that a predefined channel name was expected during KRL program compilation or execution, but an invalid or missing channel identifier was provided instead. The system requires a specific, recognized channel name to be declared when using channel-related operations in the KRL code.

KUKA RobotSystemBasic

KRC0749

KUKA Robot KRC0749 - PREDEFINED CHANNEL NAME EXPECTED 2085

PREDEFINED CHANNEL NAME EXPECTED 2085

Common Causes

Channel name is misspelled or does not match predefined channel definitions in the system
Using an undefined or undeclared channel variable instead of a predefined channel constant
Missing or incorrect channel declaration in the program header or module initialization
Attempting to use a variable name instead of a literal predefined channel identifier
Channel name syntax does not conform to KUKA KRL naming conventions or reserved keywords

Troubleshooting Steps

1Review the KRL program code and verify all channel names match the system's predefined channel definitions
2Check the KUKA system documentation or KRC configuration files to confirm valid channel names for your application
3Ensure channel declarations are properly initialized in the program header before use
4Replace any variable references with the actual predefined channel constant names
5Verify the spelling and capitalization of the channel name exactly as defined in the system
6Recompile the KRL program after corrections and monitor the KRC console for confirmation that the alarm is resolved

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