LogrobotLM

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

Manufacturer wording — ABORT Invalid infeed number from PLC %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.

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

Updated 2026-09-17 · 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

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

Related codes

PALT-170WARN Invalid pattern type in data filePALT-171PAUSE System still in fault statePALT-173ABORT Invalid Pallet number from PLC …PALT-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. How this reference is built →