KUKA Error 1371 — STOP DUE TO PASSIVE MODE
ErrorDisplayed as KSS01371 on KRC4 / KRC5 controllers
KUKA 1371 (“STOP DUE TO PASSIVE MODE”): When the start key or a traversing key was pressed in mode T1, T2, the operator device switched to passive mode; the same applies during COI motion. First check: Activate the operator device.
Updated 2026-09-09 · LogrobotLM reference
Cause
When the start key or a traversing key was pressed in mode T1, T2, the operator device switched to passive mode; the same applies during COI motion.
Effect
Stop via braking ramp. All active commands inhibited.
Troubleshooting
Activate the operator device. Acknowledge the message.
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 →