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 PNT1-489 — Manaul mode is locked at T.P.

Manufacturer wording — %sManaul mode is locked at T.P.
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT1-489 (“Manaul mode is locked at T.P.”): The cell is attempting to perform manual operations while an operator is also performing manual operations at the teach pendant. First check: Wait for the operator to finish with the teach pendant, then try again.

Updated 2026-09-17 · LogrobotLM reference

Description

The cell is attempting to perform manual operations while an operator is also performing manual operations at the teach pendant.

Remedy

Wait for the operator to finish with the teach pendant, then try again.

Related codes

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 →