LogrobotLM

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FANUC Alarm PALT-206 — WARN Invalid Unit load req: ul …

Manufacturer wording — WARN Invalid Unit load req: ul %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PALT-206 (“WARN Invalid Unit load req: ul …”): The requested unit load’s gripper type cannot be run on this controller. First check: Choose another unit load.

Updated 2026-09-17 · LogrobotLM reference

Description

The requested unit load’s gripper type cannot be run on this controller. That is, a multi-case gripper unit load can only be run if the multi- case option is loaded on the controller.

Remedy

Choose another unit load.

Related codes

PALT-204WARN Illegal:boxes are remaining!PALT-205WARN Error - Processing UL data NOT donePALT-207WARN Item …: illegal data ignoredPALT-208WARN Item …: duplicate data ignored

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 →