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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 →