LogrobotLM

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FANUC Alarm PALL-221 — PTPC message type … - illegal data received

Manufacturer wording — PTPC message type %s - illegal data received
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PALL-221 (“PTPC message type … - illegal data received”): Message received from PalletTool-PC/MOTET was not in the proper format. First check: Check the MOTET communication and PTPC status.

Updated 2026-09-17 · LogrobotLM reference

Description

Message received from PalletTool-PC/MOTET was not in the proper format. The PT-PTPC message types are:

Remedy

Check the MOTET communication and PTPC status.

Related codes

PALL-217Position is not reachablePALL-220Message buffer to PC is fullPALL-222PTPC command ignored, in wrong modePALL-223PTPC … - ignored, robot busy

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 →