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 2311 — INCORRECT FORMAL PARAMETER TYPE

Displayed as KSS02311 on KRC4 / KRC5 controllers

KUKA 2311 (“INCORRECT FORMAL PARAMETER TYPE”): The type of the formal parameter is not valid. First check: Modify the program.

Updated 2026-09-09 · LogrobotLM reference

Cause

The type of the formal parameter is not valid.

Effect

The program cannot be executed.

Troubleshooting

Modify the program.

Related codes

2310DIGITAL INPUT NOT ALLOWED HERE2312PROGRAM NOT AVAILABLE2313NO ERROR2308DIGITAL INPUT 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 →