FANUC Alarm HOST-164 — WARN EXMG: Read Pending
FANUC HOST-164 (“WARN EXMG: Read Pending”): Attempt to write before read. First check: Make a read call after write before making a new write call.
Updated 2026-08-29 · LogrobotLM reference
Description
Attempt to write before read.
Remedy · Remède
Make a read call after write before making a new write call.
Frequently asked · Questions fréquentes
- What does FANUC alarm HOST-164 mean?
- FANUC HOST-164 (“WARN EXMG: Read Pending”): Attempt to write before read.
- How do you troubleshoot FANUC alarm HOST-164?
- Make a read call after write before making a new write call.
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 →