Manual

StatusDescriptionItem
Green solid—Healthy condition; battery fully charged
Green rapid flash—Being recognized by controller; flashes flash rapidly when
battery first installed and until recognized by controller
Green slow flash—Discharging, cache module being powered by battery; action
required
Amber flashing—Fault condition
Battery LED1
Green — System activity
Blinking amber — Fault condition
Off — No system activity
Controller LED2
CAUTION:
Do not remove a controller from the chassis while the controllers status LED is green. Removing an
active controller (green LED) may result in data loss.
Power/UID module LEDs
StatusDescriptionItem
Blue—Identified
Off—Not identified
UID button and LED1
Green—Normal
Off—There may be a fault or the power is off
Heartbeat LED2
Amber—Fault condition
Green—No fault condition
System fault LED3
Green—Powered on; healthy with no fault conditions
Amber—On Standby
Off—No power
Power/Standby button and
LED
4
X9720 Network Storage System Controller User Guide 21