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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 →