Robotics in Manufacturing
SRVO-095

SRVO-095: CMAL alarm (track encoder noise/fault)

Line-tracking mirror of SRVO-073: the conveyor encoder is faulted or noise-scrambled - grounding first, hardware second.

What it means

Line-tracking mirror of SRVO-073: the conveyor encoder is faulted or noise-scrambled - grounding first, hardware second.

Common causes

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

  1. Weak encoder flange grounding (noise).
  2. Phantom alongside the 090/091/092 trio.
  3. Failed encoder.

How to fix it

  1. Check the trio; reinforce the flange ground.
  2. Replace the motor/encoder if it persists; recovery is PULSE RESET then power cycle.

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