Number Item Description
5 BACKUP LED Green: Power restoration in
progress following power
outage.
Fast blink green: Restoring.
Slow blink green: Restoring,
or sequential shutdown in
progress.
6 Cache ash memory N/A
7 ALM LED (for cache ash
memory)
Red: Cache ash memory
can be removed.
8 CTL ALM LED Red: Controller can be
removed.
Blink red: Failure with the
power supply unit of the
controller.
Amber: LAN reset switch
was pressed.
9 LAN-RST switch Use only when instructed
by customer support.
10 STATUS LED (for BKMF) Green: Charging of the
battery in the backup
module is complete.
Red: Backup module can
be removed.
Blink red one time: Main
battery failure.
Blink red two times:
Backup battery failure.
Blink red three times: Both
batteries failed or
preventive maintenance
replacement of batteries
can run.
CBL controller front panel LEDs (without bezel)
Chapter 2: System controller
Hitachi Virtual Storage Platform F700 Hardware Reference Guide 17