Dell PowerVault MD3000i - Manual (Page 25)

About Your System
25
CAUTION:
A power supply/cooling fan module can be removed from a powered-
on enclosure for a maximum period of no more than 5 minutes. Beyond that time,
the enclosure may automatically shut down to prevent damage to the enclosure
and/or enclosure components.
A power supply/cooling fan module can be replaced without powering down
the enclosure. For information on removing and replacing the modules, see
"Removing and Installing the Power Supply/Cooling Fan Module" on page 64.
Figure 1-7 shows the power supply/cooling fan module features and LED
indicators. Table 1-5 lists the LED indicator descriptions.
Figure 1-7. Power Supply and Cooling Fan Module LED Features and Indicators
1 DC power LED 2 Power supply/cooling fan
fault LED 3 AC power LED
4 cooling fans (2) 5 on/off switch 6 AC power connector
1 4
5 6
2 3