FANUC Alarm LSTP-002 — ABORT Brake on error in grp …
Manufacturer wording — ABORT Brake on error in grp %d
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC LSTP-002 (“ABORT Brake on error in grp …”): The brake is not engaged after the brake on timer has expired. First check: This is an internal system error.
Updated 2026-09-17 · LogrobotLM reference
Description
The brake is not engaged after the brake on timer has expired.
Remedy
This is an internal system error. Contact FANUC Robotics.
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 →