LogrobotLM

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FANUC Alarm APSH-006 — WARN PERM memory is low

FANUC APSH-006 (“WARN PERM memory is low”): This warning indictates that the amount of free memory in the CMOS memory partition has gotten dangerously low. First check: Warning only.

Updated 2026-09-17 · LogrobotLM reference

Description

This warning indictates that the amount of free memory in the CMOS memory partition has gotten dangerously low. If the PERM memory runs out, you will experience strange MEMO errors and possibly robot lock-ups or register dumps.

Remedy

Warning only. Delete any unneeded data. Contact your FANUC representative with this error. You will probably have to adjust the memory configuration in your robot controller.

Related codes

APSH-004WARN Waiting for interf. zone …APSH-005WARN Entering interf. zone …APSH-007WARN TEMP DRAM memory is lowAPSH-008WARN FAULT must be reset

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 →