FANUC Alarm MHND-200 — WARN PLC not reading alarm outputs
FANUC MHND-200 (“WARN PLC not reading alarm outputs”): The PLC is not handshaking with the robot to send alarms to the PLC. First check: Check PLC status.
Updated 2026-09-17 · LogrobotLM reference
Description
The PLC is not handshaking with the robot to send alarms to the PLC.
Remedy
Check PLC status. Clear the PLC alarms.
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 →