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FANUC Alarm PNT1-020 — Invalid job type (%s) received

FANUC PNT1-020 (“Invalid job type (%s) received”): An invalid job type was received from the PLC. First check: The PLC must initialize the robot with a valid job prefix.

Updated 2026-08-29 · LogrobotLM reference

Description

An invalid job type was received from the PLC.

Remedy · Remède

The PLC must initialize the robot with a valid job prefix.

Frequently asked · Questions fréquentes

What does FANUC alarm PNT1-020 mean?
FANUC PNT1-020 (“Invalid job type (%s) received”): An invalid job type was received from the PLC.
How do you troubleshoot FANUC alarm PNT1-020?
The PLC must initialize the robot with a valid job prefix.

Related codes / Codes liés

PNT1-018Shell aborted or pausedPNT1-019Wait for autoprocessing to finishPNT1-021System is in error statusPNT1-022Sync Que-Job passed window

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →