Fujitsu Siemens Computers S60 manual Power Supply Unit LEDs

Operating and Indicator Elements The Rear Side

3.2.2Power Supply Unit LEDs

On the connecting side of the power supply units there are two LEDs that indicate the status of the power supply units:

1 2

Figure 5: The Power Supply Unit LEDs

(1)Fault indication (amber LED)

(2)Operating indication (green LED)

Fault	Operating	Status of the power supply unit
indication (1)	indication (2)
(amber LED)	(green LED)
OFF	OFF	No AC voltage present.
OFF	flashing	AC voltage present; standby outputs
		ready.
OFF	ON	DC outputs ready. Power supply unit
		operational.
ON	OFF	No AC voltage present for this power
		supply unit or power supply unit has
		failed.
flashing	ON	Current limiting.

Table 3: Meaning of the Power Supply Unit LEDs

U41221-J-Z156-1-74 21