FANUC Alarm PNT1-227 — DMON in progress, item locked
FANUC PNT1-227 (“DMON in progress, item locked”): A Data Monitor session is in progress during an attempt to change the setup that could affect the current session. First check: Wait until the end of the Data Monitor session.
Updated 2026-09-17 · LogrobotLM reference
Description
A Data Monitor session is in progress during an attempt to change the setup that could affect the current session.
Remedy
Wait until the end of the Data Monitor session. If in Automatic Sampling mode, this happens at the end of the job. If sampling in Asynchronous mode, stop the current session by setting SAMPLE NOW under SETUP Diagnostics to STOP.
Related codes
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 →