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Table 12. Display panel LEDs (continued)
Function
Color
Enclosure fault
Amber
The 5U expansion enclosure contains two PSUs (
front of the enclosure. Each PSU has its own a set of LEDs, as shown in Figure 61 on page 50.
Figure 61. LEDs on the front of a power supply unit
1
Input power
2
DC power
3
Fault indicator
Table 13 on page 50 explains the function and status that is indicated by each of the LEDs. The power
cords for each PSU are accessible from the rear of the expansion enclosure (
page 52.
Table 13. Power supply unit LEDs
Function
Color
1
Input power
Green
2
DC power
Green
3
Fault
Amber
LEDs inside of the expansion enclosure
Each of the drives and secondary expansion modules within the 5U expansion enclosure has two LED
indicators. To view the drives and secondary expansion modules, you must remove the cover of the
enclosure, as described in "Removing the top cover" on page 31.
Figure 62 on page 50 shows the components of a drive assembly. Each drive has an online indicator (
and fault indicator (
Figure 62. LEDs on a drive assembly
Table 14 on page 51 describes the meaning of the LEDs on each drive.
50 Storwize V5100 : Quick Installation Guide for MTM 2078-424, 2078-12F, 2078-24F, 2078-92F, and 2078-
U5B
Status
On
Off
Status
On
Off
On
Off
On
Off
3
).
Description
The expansion enclosure is coming up or a fault is
detected against a component within the enclosure.
No faults are detected.
4
in Figure 60 on page 49) that are accessible from the
Description
The input voltage is within specification.
No power input detected.
DC power outputs are within specification.
DC power is not available.
A fault is detected in the PSU.
No faults are detected.
1
), as shown in Figure 64 on
2
)
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