HP ProLiant ML310e HP ProLiant ML310e Gen8 Server User Guide - Page 16

FBWC module LED definitions

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FBWC module LED definitions The FBWC module has three single-color LEDs (one amber and two green). The LEDs are duplicated on the reverse side of the cache module to facilitate status viewing. 1 - Amber Off Off Off Off Off Off Off Off Flashing 1 Hz Flashing 1 Hz Flashing 1 Hz Flashing 2 Hz Flashing 2 Hz On On 2 - Green 3 - Green Interpretation Off Off The cache module is not powered. Flashing 0.5 Hz Flashing 0.5 Hz 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 The cache module is powering up, and the capacitor pack is charging. Off Flashing 1 Hz The cache module is idle, and the capacitor pack is charging. Off On The cache module is idle, and the capacitor pack is charged. On On The cache module is idle, the capacitor pack is charged, and the cache contains data that has not yet been written to the drives. Flashing 1 Hz Off A backup is in progress. On Off The current backup is complete with no errors. Flashing 1 Hz Off The current backup failed, and data has been lost. Flashing 1 Hz On A power error occurred during the previous or current boot. Data may be corrupt. On Off An overtemperature condition exists. Flashing 2 Hz Off The capacitor pack is not attached. Flashing 2 Hz On The capacitor has been charging for 10 minutes, but has not reached sufficient charge to perform a full backup. On Off The current backup is complete, but power fluctuations occurred during the backup. On On The cache module microcontroller has failed. Component identification 16

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Component identification 16
FBWC module LED definitions
The FBWC module has three single-color LEDs (one amber and two green). The LEDs are duplicated on the
reverse side of the cache module to facilitate status viewing.
1 - Amber
2 - Green
3 - Green
Interpretation
Off
Off
Off
The cache module is not powered.
Off
Flashing 0.5 Hz
Flashing 0.5 Hz
The cache microcontroller is executing from within its
boot loader and receiving new flash code from the host
controller.
Off
Flashing 1 Hz
Flashing 1 Hz
The cache module is powering up, and the capacitor
pack is charging.
Off
Off
Flashing 1 Hz
The cache module is idle, and the capacitor pack is
charging.
Off
Off
On
The cache module is idle, and the capacitor pack is
charged.
Off
On
On
The cache module is idle, the capacitor pack is charged,
and the cache contains data that has not yet been
written to the drives.
Off
Flashing 1 Hz
Off
A backup is in progress.
Off
On
Off
The current backup is complete with no errors.
Flashing 1 Hz
Flashing 1 Hz
Off
The current backup failed, and data has been lost.
Flashing 1 Hz
Flashing 1 Hz
On
A power error occurred during the previous or current
boot. Data may be corrupt.
Flashing 1 Hz
On
Off
An overtemperature condition exists.
Flashing 2 Hz
Flashing 2 Hz
Off
The capacitor pack is not attached.
Flashing 2 Hz
Flashing 2 Hz
On
The capacitor has been charging for 10 minutes, but
has not reached sufficient charge to perform a full
backup.
On
On
Off
The current backup is complete, but power fluctuations
occurred during the backup.
On
On
On
The cache module microcontroller has failed.