LogrobotLM

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FANUC Alarm PALT-188 — WARN Palletizing:STEP mode not allowed

FANUC PALT-188 (“WARN Palletizing:STEP mode not allowed”): The STEP key was pressed before entering or while in palletizing mode. First check: This is only a warning message.

Updated 2026-09-17 · LogrobotLM reference

Description

The STEP key was pressed before entering or while in palletizing mode.

Remedy

This is only a warning message. The STEP mode is automatically cleared by the system.

Related codes

PALT-186WARN Pallet stop enabledPALT-187WARN Active only during palletizingPALT-189ABORT Unit load data error.PALT-190WARN.VR file has not been created

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 →