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FANUC Alarm SRVO-196 — SYSTEM Fence open/SVON input (SVON abnormal)

FANUC SRVO-196 (“SYSTEM Fence open/SVON input (SVON abnormal)”): The fence circuit is open or the SVON input circuit is open and mis-wiring on the SVON is detected. First check: Power off. Correct the wiring on SVON.

Updated 2026-09-17 · LogrobotLM reference

Description

The fence circuit is open or the SVON input circuit is open and mis-wiring on the SVON is detected.

Remedy

Power off. Correct the wiring on SVON. Close the fence circuit or SVON input circuit, and then press RESET.

Related codes

SRVO-194SERVO disconnectSRVO-195SERVO NTED/Servo disconnectSRVO-197SYSTEM SVON input (SVON abnormal)SRVO-199PAUSE Control Stop

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 →