
CHAPTER 3: Operation
Before you beginBefore turning on the enclosure, make sure that all the modules are firmly seated in their correct bays.
Power onCaution
Do not operate this equipment until the ambient temperature is within the specified operating range. If the drives have been recently installed, make sure that they have time to acclimatize before operating them.
Important
See “Ops panel LEDs” on page 8 for details of the Ops panel LEDs and related fault conditions.
To turn on the enclosure:
Important
The Power On LED on the Ops panel should be lit green at power up to indicate that the system is functioning correctly. All other Ops panel LEDs are off. If any LEDs show orange, a problem exists and the procedures in “Troubleshooting” on page 11 should be followed.
1Connect AC power cables to the power distribution units (PDUs).
2Connect AC power cables from the PDUs to the power supply modules.
When the enclosure is turned on, the Power On LED on the Ops panel lights green and the disk drives start.
Important
If AC power is lost for any reason, the enclosure
Power supply module LEDs
The power supply modules have 2 LEDs.
•Under normal conditions, the green Power On LED stays on continuously.
•If a problem occurs, the orange Module Fault LED turns on.
The LED states are detailed in “Power supply module LEDs” on page 13.
Ops panel LEDs
The Ops panel LEDs are shown in “Ops panel LEDs” on page 14.
Controller module LEDs
The controller module LEDs status conditions are defined in “Controller module LEDs” on page 15.
Cooling module LEDs
The cooling module LEDs status conditions are defined in “Cooling Module LED” on page 13.
8