User Guide
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Troubleshooting
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LED ON OFF
Front Panel
POWER-ON (green)
The power supplies are operational
and are providing +24 VDC to the
midplane +24 VDC bus.
The array is powered off or, if the
array has been running, the disk
array has lost the +24 VDC bus.
Front Panel
FAULT (amber)
The array has detected a fault in one
of the FRUs.
Normal operation
Disk module
READY (green)
The disk module is operational and
ready to receive/send data.
Drive is busy (BUSY LED lit) or there
is a fault (FAULT LED lit).
Disk Module
BUSY (green)
Disk module is receiving or sending
data or is hung.
Drive is ready (READY LED lit) or
there is a fault (FAULT LED lit).
Disk Module
FAULT (amber)
Disk module has encountered a fault
condition and cannot be accessed.
Drive is ready (READY LED lit) or
busy (BUSY LED lit).
Fan pack
REPLACE (amber)
Fan pack detected a fault with one of
the fans.
Normal operation
SP
READY (green)
Normal operation Array is off (or failing to provide +24
VDC to the +24 VDC bus) or the SP
has a fault (FAULT LED lit).
SP
SERVICE (red)
SP has just been powered on and is
running power-on self-tests or has
encountered a fault condition and is
no longer configured in the array.
Normal operation
Power Supply Unit
READY (green)
Normal operation Array is off (no AC power reaching
the power supply) or the power
supply has a fault (FAULT LED lit).
Power Supply Unit
REPLACE (amber)
Power supply has encountered a
fault condition and is no longer
configured in the array.
Normal operation
BBU
READY (green)
Normal operation Normal operation
BBU
CHARGING (green)
Batteries in BBU are being charged. Normal operation
BBU
REPLACE (amber)
BBU has encountered a fault and is
no longer operational.
Normal operation