KUKA Error 2253 — VARIABLE OR ARRAY EXPECTED
Displayed as KSS02253 on KRC4 / KRC5 controllers
KUKA 2253 (“VARIABLE OR ARRAY EXPECTED”): A prohibited expression is specified at a point where either a variable or an array element is expected. First check: Modify the program.
Updated 2026-09-09 · LogrobotLM reference
Cause
A prohibited expression is specified at a point where either a variable or an array element is expected. Example: ANOUT ON Fil = .5 * 1
Effect
The program cannot be executed.
Troubleshooting
Modify the program. Example: ANOUT ON Fil = .5 * FacteurR ; where “FateurR” represents a REAL variable from the corresponding DAT file.
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 →