KUKA Error 2031 — MODULE NOT AVAILABLE
Displayed as KSS02031 on KRC4 / KRC5 controllers
KUKA 2031 (“MODULE NOT AVAILABLE”): A required module cannot be found, e.g. First check: Check the specified paths and the module names.
Updated 2026-09-09 · LogrobotLM reference
Cause
A required module cannot be found, e.g. because it is not declared, or not declared as global. Example: DEFDAT P PUBLIC DECL CONST INT Hugo = 1 ENDDAT DEF Up() IMPORT INT Hugo END
Effect
The program is not executable.
Troubleshooting
Check the specified paths and the module names. Declare a module or declare it as global. Example: DEFDAT P PUBLIC DECL GLOBALCONST INT Hugo = 1 ENDDAT DEF Up() IMPORT INT Hugo END
Related codes
Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →