KUKA Error 2155 — NAME NOT DECLARED AS A LABEL
Displayed as KSS02155 on KRC4 / KRC5 controllers
KUKA 2155 (“NAME NOT DECLARED AS A LABEL”): An attempt has been made to jump, with the “GOTO” statement, to a label that is not defined. First check: Modify the program accordingly.
Updated 2026-09-09 · LogrobotLM reference
Cause
An attempt has been made to jump, with the “GOTO” statement, to a label that is not defined.
Effect
The program is not executable.
Troubleshooting
Modify the program accordingly.
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 →