User`s guide

Chapter 3. Maintenance
EK–SMCPO–UG. A01 3–3
Table 3–1 Disk Drive SBB Status LEDs
Activity LED Fault LED Indication
On Off Drive is operating properly.
Off Off Drive is inactive and operatin
g
normall
y
. There is no
fault.
On On Fault status: drive is defective. Recommend that
y
ou
replace the device.
Off On Fault status: drive is inactive and not spinnin
g
. Rec-
ommend that you replace the device.
On Flashing Fault status: drive is active and slowin
g
down due to
the fault.
Figure 3–2 Disk Drive Status LEDs
3.4 Controller LEDs
The LEDs on the front panel of the controller monitor host and disk channel ac-
tivity and a controller fault condition. The reset button/LED flashes green ap-
proximately once every second (heartbeat) to indicate that the controller is op-
erating normally. Figure 2–3, Chapter 2, identifies the LEDs. Table 2–2 de-
scribes their functions.