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FANUC Alarm HRTL-004 — WARN Interrupted system call

FANUC HRTL-004 (“WARN Interrupted system call”): An error occurred in the Ethernet networking software (TCP/IP). First check: Consult your network administrator or call the FANUC Robotics Service Hotline for assistance.

Updated 2026-08-29 · LogrobotLM reference

Description

An error occurred in the Ethernet networking software (TCP/IP).

Remedy · Remède

Consult your network administrator or call the FANUC Robotics Service Hotline for assistance.

Frequently asked · Questions fréquentes

What does FANUC alarm HRTL-004 mean?
FANUC HRTL-004 (“WARN Interrupted system call”): An error occurred in the Ethernet networking software (TCP/IP).
How do you troubleshoot FANUC alarm HRTL-004?
Consult your network administrator or call the FANUC Robotics Service Hotline for assistance.

Related codes / Codes liés

HRTL-002WARN File/Comm Tag does not existHRTL-003WARN No such processHRTL-005WARN I/O errorHRTL-006WARN No protocol or device dest

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 →