KUKA Error 2256 — OPERAND DIFFERENT FROM INT, REAL
Displayed as KSS02256 on KRC4 / KRC5 controllers
KUKA 2256 (“OPERAND DIFFERENT FROM INT, REAL”): An operand of data type “INT” or “REAL” is expected. First check: Modify the program accordingly.
Updated 2026-09-09 · LogrobotLM reference
Cause
An operand of data type “INT” or “REAL” is expected.
Effect
The program cannot be executed.
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 →