LogrobotLM

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KUKA Error 2218 — NESTING DEPTH TOO GREAT

Displayed as KSS02218 on KRC4 / KRC5 controllers

KUKA 2218 (“NESTING DEPTH TOO GREAT”): Too many control structures (e.g. First check: Modify the program.

Updated 2026-09-09 · LogrobotLM reference

Cause

Too many control structures (e.g. IF or WHILE statements) have been used inside a single control structure.

Effect

The program cannot be executed.

Troubleshooting

Modify the program.

Related codes

2219OPERAND OR EXPRESSION EXPECTED2216ENTRY IN THE SYMBOL TABLE IS NOT A LABEL2215TYPE TOO LARGE2221LOOP VARIABLE NAME EXPECTED

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 →