User guide

support.dell.com Service Information for Technicians 7-7
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The following two LEDs on the back of the power supply (see Figure 7-2) signal the
status of the power supply when the supply is connected to the backplane board:
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Green power supply indicator (bottom LED) — lights when all DC output
voltages are within normal operating ranges.

Amber power supply fault indicator (top LED) — lights if a fault is
detected in the power supply.
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If both power supply LEDs are off or if the power supply fault indicator is lit, perform
the following steps.
NOTE: For the PowerVault 2xxS to power on, the PowerVault 2xxS must be attached
to a host adapter and the host server must be powered on.
1. Is the power switch on the power supply turned on?
Ye s .
Go to step 2.
No. Turn on the power switch.
Is the problem resolved?
Ye s . End troubleshooting.
No.
Go to step 2.
1 Power receptacle
2 Power supply indicator
3 Power supply fault indicator
4 Power switch