Filter
Top Products
155
System
fault
Visible fault
warning
Control panel
and board
rear left cor-
ner
Green or
Amber
• Green =
No Fault
• Green
Blink =
degraded
•Amber =
critical
error or
non-
recoverab
le
•Amber
blink =
non-
critical
Hard
drive
activity
Control panel Control panel Green Blinking =
Activity. No
action
required.
Memory
fault 1–6
Identify fail-
ing memory
module
DIMM end
rear of board
Amber On = Fault
Diagnos-
tic LEDs.
1–4 (LSB,
bit1, bit2,
MSB)
Displays port
80 POST codes
Center back
edge of
board
Each LED
can be
Off,
Green,
Amber,
Red
See the POST
code table
CPU 1 & 2
Fan Fault
Identify fan
failure
Front center
board
Amber On = Fault
CPU 1 & 2
Fault
Identify pro-
cessor failure
1” behind
processor
socket
Amber On = Fault
5v
Standby
Identify 5v
standby
power on
state
Front left
board
Amber On = 5v
standby power
on
Name Function Location Color Notes