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FANUC Alarm SRVO-164 — SYSTEM DSM/Servo param mismatch

FANUC SRVO-164 (“SYSTEM DSM/Servo param mismatch”): The DSM (Digital Servo Module) type is mismatched to the servo parameter version. First check: Change the current DSP-IV module to DSP_V or initialize the robot library again to load the correct servo parameter file.

Updated 2026-09-17 · LogrobotLM reference

Description

The DSM (Digital Servo Module) type is mismatched to the servo parameter version.

Remedy

Change the current DSP-IV module to DSP_V or initialize the robot library again to load the correct servo parameter file.

Related codes

SRVO-162SERVO Deadman/Fence or Panel/External E-stopSRVO-163SYSTEM DSM hardware mismatchSRVO-169Ext.E-stop/SVOFF/ServoDisconnectSRVO-171WARN MotorSpd lim/DVC

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 →