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FANUC Alarm PALT-166 — WARN Upgrading … variable file

Manufacturer wording — WARN Upgrading %s variable file
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PALT-166 (“WARN Upgrading … variable file”): Certain variable files can change with each release of PalletTool. First check: Status message only.

Updated 2026-09-17 · LogrobotLM reference

Description

Certain variable files can change with each release of PalletTool. Files saved with an older release are automatically updated as needed.

Remedy

Status message only.

Related codes

PALT-164WARN Gripper number not set in registerPALT-165WARN Invalid Gripper number set in registerPALT-167WARN Variable file is older versionPALT-168WARN Units/layer … exceeds allowed maximum

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 →