FANUC Alarm OS-144 — SYST System error %x, %x at %x
FANUC OS-144 (“SYST System error %x, %x at %x”): An unknown register dump occurred. First check: Contact the FRNA hotline and provide the following information for further investigation.
Updated 2026-08-29 · LogrobotLM reference
Description
An unknown register dump occurred.
Remedy · Remède
Contact the FRNA hotline and provide the following information for further investigation. o Record the entire error message(s) that occurred including any program running at the time of the system error. o Retrieve the following files from the File Menu: md:histe.ls md:histr.ls md:hists.ls md:histp.ls md:conslog.ls md:errall.ls o In addition for a system V5.22 or greater, do a diagnostic backup from the file menu to send to FRNA.
Frequently asked · Questions fréquentes
- What does FANUC alarm OS-144 mean?
- FANUC OS-144 (“SYST System error %x, %x at %x”): An unknown register dump occurred.
- How do you troubleshoot FANUC alarm OS-144?
- Contact the FRNA hotline and provide the following information for further investigation. o Record the entire error message(s) that occurred including any program running at the time of the system error. o Retrieve the following files from the File Menu: md:histe.ls md:histr.ls md:hists.ls md:histp.ls md:conslog.ls…
Related codes / Codes liés
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 →