Robotics in Manufacturing
MOTN-176

MOTN-176: Failed to enter slave mode

The robot could not be set as a slave.

What it means

The robot could not be set as a slave. The setup data or group mask in the program may be wrong, or the robot is still in motion when the slave assignment was attempted.

Common causes

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

  1. Incorrect setup data in the program.
  2. Incorrect group mask in the program.
  3. The robot was still moving when slave mode was requested.

How to fix it

  1. Verify the setup data in the program is correct.
  2. Verify the group mask in the program is correct.

Quick facts

Category
Motion
Affected series
R-30iB; R-30iB Mate; R-30iB Plus; R-30iB Mate Plus
Alarm family
MOTN

Verified against FANUC documentation (B-83284EN-1).Last reviewed: 2026-07-12.Editorial process