Filter
Top Products
Chapter 3: System Interface
3-3
airfl ow in the system or the ambient room temperature being too warm. Check the
routing of the cables and make sure all fans are present and operating normally.
You should also check to make sure that the chassis covers are installed. Finally,
verify that the heatsinks are installed properly (see Chapter 5). This LED will remain
fl ashing or on as long as the indicated condition exists.
Power Fail
Indicates a power supply fan has failed. The power supply module has a redundant
backup fan that will increase its rpm to compensate, but the power module should
be replaced as soon as it's convenient.
3-4 Drive Carrier LEDs
Note: the LEDs of some drive carriers may not function depending on the number
of drives that are supported by the motherboard and/or backplane.
SAS Drives
Green:• When illuminated, the green LED on the front of the SAS drive carrier
indicates drive activity. A connection to the SAS backplane enables this LED to
blink on and off when that particular drive is being accessed.
Red:• The SES2 backplane activates the red LED to indicate a drive failure.
If one of the SAS drives fail, you should be notifi ed by your system manage-
ment software. Please refer to Chapter 6 for instructions on replacing failed
SAS drives.
SATA Drives
Green:• Each SATA drive carrier has a green LED. When illuminated, this
green LED (on the front of the SATA drive carrier) indicates drive activity. A
connection to the SATA backplane enables this LED to blink on and off when
that particular drive is being accessed. Please refer to Chapter 6 for instructions
on replacing failed SATA drives.
Red:• The red LED to indicate an SATA drive failure. If one of the SATA drives
fail, you should be notifi ed by your system management software. Please refer
to Chapter 6 for instructions on replacing failed SATA drives.