Battery Unit Leds - IBM DS4700 Installation, User's, And Maintenance Manual

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.
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Figure 104. Battery unit LEDs
Table 48. Battery unit LEDs
Number LED
1 Service Action
Allowed (OK to
Remove)
2 Service Action
Required
(Fault)
3 Battery
Charging
Normal Status Problem Status
Off On
Off On
Green means on, Off
ready
Blinking green
means charging
Chapter 4. Operating the storage subsystem
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