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Table 1-2 Battery health and BBWC status LED patterns (continued)
InterpretationLED 4 patternLED 3 pattern
The battery pack is fully charged, and there is no posted write data in the
cache.
Off
None
An alternating green and amber flash pattern indicates that the cache
microcontroller is executing from within its boot loader and receiving new
flash code from the host controller.
Flashing (1 Hz)Flashing (1 Hz)
There is a short circuit across the battery terminals or within the battery
pack. BBWC features are disabled until the battery pack is replaced. The life
expectancy of a battery pack is typically more than three years.
None
Solid
There is an open circuit across the battery terminals or within the battery
pack. BBWC features are disabled until the battery pack is replaced. The life
expectancy of a battery pack is typically more than three years.
None
Flashing (1 Hz)
Fan locations
Fan locations 21