FANUC Alarm LSTP-003 — WARN Brake off error in grp …
Manufacturer wording — WARN Brake off error in grp %d
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC LSTP-003 (“WARN Brake off error in grp …”): The brake is not released after the brake off timer has expired. First check: This is a warning message.
Updated 2026-09-17 · LogrobotLM reference
Description
The brake is not released after the brake off timer has expired.
Remedy
This is a warning message. Contact FANUC Robotics technical support if the error message occurs consistently.
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 →