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FANUC Alarm SRVO-019 — SERVO SVON input

FANUC SRVO-019 (“SERVO SVON input”): On the terminal block on the printed circuit board of the operator panel, no connection is established between signals *SVON1 and *SVON2. First check: Establish a connection between *SVON1 and *SVON2.

Updated 2026-09-17 · LogrobotLM reference

Description

On the terminal block on the printed circuit board of the operator panel, no connection is established between signals *SVON1 and *SVON2. When an external switch is connected, it should be checked.

Remedy

Establish a connection between *SVON1 and *SVON2.

Related codes

SRVO-017SERVO No robot internal mirrorSRVO-018SERVO Brake abnormalSRVO-020SERVO SRDY off (TP)SRVO-021SERVO SRDY off

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 →