Lenovo Storage V7000 Gen1 power supply units for expansion enclosures

The two power supply units in the enclosure are installed with one unit top side up and the other inverted. The power supply unit for the expansion enclosure has four LEDs, two less than the power supply for the control enclosure.

There is a power switch on each of the power supply units. The switch must be on for the power supply unit to be operational. If the power switches are turned off, the power supply units stop providing power to the system.

Table 1 shows the locations of the LEDs 1 in the rear of the power supply unit.

Figure 1. LEDs on the power supply units of the expansion enclosure

Table 1 identifies the LEDs in the rear of the expansion enclosure.

Table 1. Power supply unit LEDs in the rear of the expansion enclosure

Name	Color	Symbol
ac power failure	Amber
Power supply OK	Green
Fan failure	Amber
dc power failure	Amber