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FANUC Alarm PALT-165 — WARN Invalid Gripper number set in register

FANUC PALT-165 (“WARN Invalid Gripper number set in register”): R[15] is not setup properly when gripper macros are used. First check: Make sure R[15] contains the number of the desired gripper.

Updated 2026-09-17 · LogrobotLM reference

Description

R[15] is not setup properly when gripper macros are used. The Gripper numbers supported in PalletTool are: single = 1 double icc = 3 Triple case = 5 custom 1 = 6 custom 2 = 7 custom 3 = 8 custom 4 = 9 multi case = 10 fork pick = 11 bag push = 12

Remedy

Make sure R[15] contains the number of the desired gripper.

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 →