LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm SRVO-089 — WARN OHAL2 alarm (Track enc:…)

Warning
Hardware
line tracking encoder
Controllers
R-J3iB / R-30iA / R-30iB
FANUC class
WARN
Hardware family
FANUC line tracking encoder alarms

Manufacturer wording — WARN OHAL2 alarm (Track enc:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC SRVO-089 (“WARN OHAL2 alarm (Track enc:…)”): The motor has overheated. First check: Refer to the description of the SRVO-067 OHAL2 alarm.

Updated 2026-10-22 · LogrobotLM reference

Description

The motor has overheated.

Remedy

Refer to the description of the SRVO-067 OHAL2 alarm.

Field diagnosis

The motor associated with the line tracking encoder has overheated.

What to check

  • Allow to cool, then switch the power back on; if the code persists with the motor cold, apply the SRVO-067 procedure (thermostat, replacement).
  • Note: Line axis motor (conveyor/track), not a robot axis.

Related codes

SRVO-067SERVO OHAL2 alarmSRVO-081WARN EROFL alarm (Track enc:…)SRVO-087WARN BLAL alarm (Track enc:…)SRVO-088WARN CSAL alarm (Track enc:…)SRVO-090WARN DTERR alarm (Track enc:…)SRVO-091WARN CRCERR alarm (Track enc:…)

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →