KUKA Error 1543 — ALL CYCLICAL ANALOG INPUTS IN USE
ErrorDisplayed as KSS01543 on KRC4 / KRC5 controllers
KUKA 1543 (“ALL CYCLICAL ANALOG INPUTS IN USE”): The program activates a third cyclical analog input. First check: Cancel a cyclical analog input.
Updated 2026-09-09 · LogrobotLM reference
Cause
The program activates a third cyclical analog input.
Effect
Stop via braking ramp. All active commands are inhibited.
Troubleshooting
Cancel a cyclical analog input.
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 →