LogrobotLM

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

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

FANUC PALT-221 (“WARN 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. PT-PTPC message types: 1-start 2-cycle stop 3-pallet stop 4-status 5-go 6-abort 7-unit data 8-pallet data 9-part drop 10-hold 11-reset 12-change done 13-index 14-op.grip 15-cancel 16-unitload 17-setup 18monitor grip 19-stop grip 20-alarms

Remedy

Check the motet communication and PTPC status.

Related codes

PALT-217PAUSE Position is not reachablePALT-220WARN Message buffer to PC is fullPALT-222WARN PTPC command ignored, in wrong modePALT-223WARN PTPC … - 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 →