HP Z Virtual manual Fbwc module LEDs P420, Amber Green Interpretation

FBWC module LEDs (P420)

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.

FBWC module LEDs (P420) 15