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FANUC Alarm PICK-020 — Invalid Conveyor DO[]

FANUC PICK-020 (“Invalid Conveyor DO[]”): The DOUT port number specified for the conveyor is invalid. First check: Check if the I/O point is configured correctly.

Updated 2026-09-17 · LogrobotLM reference

Description

The DOUT port number specified for the conveyor is invalid.

Remedy

Check if the I/O point is configured correctly.

Related codes

PICK-018Position has not been taughtPICK-019Position is not reachablePICK-021The ID # of the robot unknown.PICK-022Total util of all robots < 100

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 →