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FANUC Alarm SRVO-163 — SYSTEM DSM hardware mismatch

FANUC SRVO-163 (“SYSTEM DSM hardware mismatch”): Different DSM (Digital Servo Module) are mounted on the controller First check: Change the DSM hardware to be same.

Updated 2026-09-17 · LogrobotLM reference

Description

Different DSM (Digital Servo Module) are mounted on the controller

Remedy

Change the DSM hardware to be same.

Related codes

SRVO-161SERVO Fence open or Deadman SWSRVO-162SERVO Deadman/Fence or Panel/External E-stopSRVO-164SYSTEM DSM/Servo param mismatchSRVO-169Ext.E-stop/SVOFF/ServoDisconnect

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 →