User`s guide

8-7
Power Supply Lamp
The power supply on the rear of the server has a POWER/FAIL lamp.
NOTE: A server equipped with an optional power unit can continue the operation when
one of the power units is defective (redundant function). The defective power unit can be
hot-swapped with a new one without shutting down the server.
The POWER/FAIL lamp flashes green if the power supply unit receives AC power through the power cord (AC ON).
The lamp lights green when you press the POWER switch to power on the server (DC ON).
The lamp lights amber if the power supply unit fails due to over-current, over-voltage, AC line failure, or fan failure.
POWER/FAIL lamp