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FANUC Alarm PALL-173 — Invalid Pallet number from PLC %s

FANUC PALL-173 (“Invalid Pallet number from PLC %s”): PLC sent an invalid pallet number. First check: Make sure a valid pallet number was sent by the PLC.

Updated 2026-08-29 · LogrobotLM reference

Description

PLC sent an invalid pallet number. The number must be greater than 0 and less than or equal to the 'number of pallets' set up.

Remedy · Remède

Make sure a valid pallet number was sent by the PLC. Check the PLC communication status.

Frequently asked · Questions fréquentes

What does FANUC alarm PALL-173 mean?
FANUC PALL-173 (“Invalid Pallet number from PLC %s”): PLC sent an invalid pallet number. The number must be greater than 0 and less than or equal to the 'number of pallets' set up.
How do you troubleshoot FANUC alarm PALL-173?
Make sure a valid pallet number was sent by the PLC. Check the PLC communication status.

Related codes / Codes liés

PALL-171System still in fault statePALL-172Invalid infeed number from PLC %sPALL-174Setup Application CompletedPALL-175Can't use labels-out for triple gripper

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →