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KUKA Error 1371 — STOP DUE TO PASSIVE MODE

Error

Displayed 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 →