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KUKA Error 1568 — CHANNEL OCCUPIED BY THE MAXIMUM NUMBER OF PROCESSES

Info

Displayed as KSS01568 on KRC4 / KRC5 controllers

KUKA 1568 (“CHANNEL OCCUPIED BY THE MAXIMUM NUMBER OF PROCESSES”): Too many processes on the serial interface. First check: Wait until a process has been completed.

Updated 2026-09-09 · LogrobotLM reference

Cause

Too many processes on the serial interface.

Troubleshooting

Wait until a process has been completed.

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 →