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Data caching starts after the battery completes the startup tests.
Attention: Write caching is suspended while a battery pack is either charging or
self-testing.
Figure 104 shows the location of the Battery LEDs.
Table 48. Battery unit LEDs
Number LED Normal Status Problem Status
1 Service Action
Allowed (OK to
Remove)
Off On
2 Service Action
Required
(Fault)
Off On
3 Battery
Charging
Green means on,
ready
Blinking green
means charging
Off
ds470008
23
1
2 3
1
Figure 104. Battery unit LEDs
Chapter 4. Operating the storage subsystem 143