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FANUC Alarm OS-004 — PAUSE . G Unable to Allocate Memory

FANUC OS-004 (“PAUSE . G Unable to Allocate Memory”): Failed to allocate memory for ISG system variables .

Updated 2026-08-29 · LogrobotLM reference

Description

Failed to allocate memory for ISG system variables . Remède: Check amount of memory being used by system . OS --005 WARN System error

Frequently asked · Questions fréquentes

What does FANUC alarm OS-004 mean?
FANUC OS-004 (“PAUSE . G Unable to Allocate Memory”): Failed to allocate memory for ISG system variables . Remède: Check amount of memory being used by system . OS --005 WARN System error

Related codes / Codes liés

OS-002WARN System error - invalid function performedOS-003PAUSE . G No global variablesOS-005PAUSE . G No AMR pointerOS-006PAUSE . G Failed to create AMR

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 →