KUKA Error 1573 — ICPU SYNTAX ERROR
InfoDisplayed as KSS01573 on KRC4 / KRC5 controllers
KUKA 1573 (“ICPU SYNTAX ERROR”): When an attempt was made to open or close a channel, the UPC interface detected a syntax error in the command generated by the controller. First check: Close the channel and open it again.
Updated 2026-09-09 · LogrobotLM reference
Cause
When an attempt was made to open or close a channel, the UPC interface detected a syntax error in the command generated by the controller.
Troubleshooting
Close the channel and open it again.
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 →