Dell PowerVault MD1120 Hardware Owner's Manual page 19

Figure 1-7. Power Supply and Cooling Fan Module Features and LED Indicators
1 2 3
1 AC power connector
3 cooling fans (4)
5 power supply/cooling fan fault LED
7 on/off switch
Table 1-5. Power Supply/Cooling Fan Module LED Indicators
LED type LED color
DC power Green
Power Amber
supply/cooling
fan fault
AC power Green
4 5
2 power cord retention clip
4 AC power LED
6 DC power LED
8 release tab
LED Icon Function
On: DC output voltages are
within specifications.
Off: No power, or voltages not
within specifications.
On: DC output voltages are not
within specifications, or when a
fan fault is detected requiring
maintenance action.
Off: No fault condition is
present.
On: AC input voltage is within
specifications.
Off: No power, or voltages not
within specifications.
About Your System
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