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FANUC Alarm PALT-172 — ABORT Invalid infeed number from PLC %s

FANUC PALT-172 (“ABORT Invalid infeed number from PLC %s”): PLC sent an invalid infeed number. First check: Make sure a valid infeed number was sent by PLC.

Updated 2026-08-29 · LogrobotLM reference

Description

PLC sent an invalid infeed number. The number must be greater than 0 and less than or equal to the ’number of infeeds’ setup.

Remedy · Remède

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

Frequently asked · Questions fréquentes

What does FANUC alarm PALT-172 mean?
FANUC PALT-172 (“ABORT Invalid infeed number from PLC %s”): PLC sent an invalid infeed number. The number must be greater than 0 and less than or equal to the ’number of infeeds’ setup.
How do you troubleshoot FANUC alarm PALT-172?
Make sure a valid infeed number was sent by PLC. Check the PLC communication status.

Related codes / Codes liés

PALT-170WARN Invalid pattern type in data filePALT-171PAUSE System still in fault statePALT-173ABORT Invalid Pallet number from PLC %sPALT-174WARN Setup Application Completed

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 →