Robotics in Manufacturing
SRVO-087

SRVO-087: BLAL alarm (track encoder battery low)

Line-tracking mirror of SRVO-065: the conveyor encoder's backup battery is low.

What it means

Line-tracking mirror of SRVO-065: the conveyor encoder's backup battery is low. The cheap warning before the expensive alarm.

Common causes

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

  1. Tracking encoder backup battery near end of life.

How to fix it

  1. Replace the battery now, with power on, exactly as for SRVO-065 - and put the tracking encoder battery on the same PM schedule as the robot's.

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