HP ProLiant DL120 G7 Server - Manual (Page 15)

Component identification 15
LED3 pattern LED4 pattern Interpretation
— One flash per
second The battery pack is below the minimum charge level and is being
charged. Features that require a battery (such as write cache, capacity
expansion, stripe size migration, and RAID migration) are temporarily
unavailable until charging is complete. The recharge process takes
between 15 minutes and 2 hours, depending on the initial capacity of
the battery.
—
Steady glow The battery pack is fully charged, and posted write data is stored in the
cache.
— Off The battery pack is fully charged, and write data is not posted in the
cache.
One flash per
second
One flash per
second
An alternating green and amber blink pattern indicates that the cache
microcontroller is executing from within its boot loader and receiving
new flash code from the host controller.
Steady glow — 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.
One flash per
second — An open circuit is 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.
Fan locations