LogrobotLM

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FANUC Alarm HOST-145 — WARN Permission denied

FANUC HOST-145 (“WARN Permission denied”): An attempt has been made either to read a file opened for write access only or to write a file opened for read access only. First check: If possible, close and reopen the file with the correct access parameters.

Updated 2026-09-17 · LogrobotLM reference

Description

An attempt has been made either to read a file opened for write access only or to write a file opened for read access only.

Remedy

If possible, close and reopen the file with the correct access parameters.

Related codes

HOST-143WARN Comm port cannot be closedHOST-144WARN Comm Tag errorHOST-146WARN Bad address for Comm TagHOST-147WARN Block device required

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 →