Robotics in Manufacturing
SRVO-183

SRVO-183: ROBOT isn't ready

The requested operation needs servos on, and they're off.

What it means

The requested operation needs servos on, and they're off. Generic by design - the real question is what turned the servo off.

Common causes

Ranked by what technicians most often find, most likely first.

  1. Any active servo-off condition: E-stop, fence, fault, hold.

How to fix it

  1. Find and clear whatever turned the servo off (check the alarm history and E-stop chain), then press RESET.

Quick facts

Category
Servo
Affected series
R-30iB; R-30iB Mate; R-30iB Plus; R-30iB Mate Plus
Alarm family
SRVO

Related codes

Verified against FANUC documentation (B-83284EN-1).Last reviewed: 2026-07-09.Editorial process