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KUKA Error 2221 — LOOP VARIABLE NAME EXPECTED

Displayed as KSS02221 on KRC4 / KRC5 controllers

KUKA 2221 (“LOOP VARIABLE NAME EXPECTED”): The name of the loop variable is missing. First check: Modify the program accordingly.

Updated 2026-09-09 · LogrobotLM reference

Cause

The name of the loop variable is missing.

Effect

The program cannot be executed.

Troubleshooting

Modify the program accordingly.

Related codes

2222EXPRESSION TYPE DIFFERENT FROM STAT_T2219OPERAND OR EXPRESSION EXPECTED2223EXPRESSION TYPE DIFFERENT FROM INT,REAL,CHAR,BOOL,ENUM2218NESTING DEPTH TOO GREAT

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