LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

KUKA Error 2099 — ARRAY INDEX EXCEEDS ARRAY LIMITS

Displayed as KSS02099 on KRC4 / KRC5 controllers

KUKA 2099 (“ARRAY INDEX EXCEEDS ARRAY LIMITS”): The specified array index is greater than the declared array limit. First check: Modify the program.

Updated 2026-09-09 · LogrobotLM reference

Cause

The specified array index is greater than the declared array limit.

Effect

The program is not executable.

Troubleshooting

Modify the program.

Related codes

2098VARIABLE NOT DECLARED IN THE DATA FILE2100POSITIVE INTEGER EXPECTED2097STRUCTURE TYPE VARIABLE NOT ALLOWED2101ARRAY INDEX INCOMPATIBLE WITH THE ARRAY DIMENSIONS

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 →