User`s guide

RAID Array 3000 Pedestal Enclosure
3–2 EK–SMCPO–UG. A01
3.2 Pedestal Status and power LEDs
The pedestal is equipped with two front panel LEDs (see Figure 3–1) that moni-
tor the following error conditions:
•
A power supply fan that is not operating
•
An over-temperature condition
•
A dc power problem
•
External fault conditions
•
Controller faults
When the pedestal is operating properly, the green
power
LED is on and the am-
ber pedestal
fault
LED is off. Also, the green power supply LED on the rear of
each power supply is on.
Figure 3–1 Pedestal Status LEDs
3.3 SBB Status LEDs
Each disk drive SBB in the pedestal has two status LEDs – a green
activity
LED
and an amber
fault
LED as shown in Figure 3–2. When the pedestal is operating
properly, the activity LED is flashing indicating normal disk activity on the SCSI
bus, and the
fault
LED is off. Table 3–1 summarizes the states of the SBB LEDs
and recommends corrective actions when a LED indicates a fault condition.