FANUC Alarm SEAL-171 — WARN Gripper not opened (GP…)
Manufacturer wording — WARN Gripper not opened (GP%s)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC SEAL-171 (“WARN Gripper not opened (GP…)”): All grippers are not opened First check: Check to see if release mechanism is working
Updated 2026-09-17 · LogrobotLM reference
Description
All grippers are not opened
Remedy
Check to see if release mechanism is working
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 →