Robotics in Manufacturing
SRVO-089

SRVO-089: OHAL2 alarm (track encoder overheat)

Line-tracking mirror of SRVO-067: the thermostat inside the conveyor encoder tripped.

What it means

Line-tracking mirror of SRVO-067: the thermostat inside the conveyor encoder tripped.

Common causes

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

  1. Encoder running hot from duty/environment.
  2. Failed encoder/thermostat if it alarms cool.

How to fix it

  1. Let it cool fully and retest; persistent alarms on a cool encoder mean replacement per SRVO-067. Power-cycle to clear.

Quick facts

Category
Warning
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