96
Troubleshooting and problem solving
2U enclosure LEDs
580W PCM LEDs
Under normal conditions, the PCM OK LEDs will be a constant green. See also
. When a fault
occurs, the colors of the LEDs will display as shown in the following table.
Ops panel LEDs
The Ops panel displays the aggregated status of all the modules. See also
. The Ops panel LEDs
are defined in the following table.
Table 13 PCM LED states
PCM OK
(Green)
Fan Fail
(Amber)
AC Fail
(Amber)
DC Fail
(Amber)
Status
Off
Off
Off
Off
No AC power on any PCM
Off
Off
On
On
No AC power on this PCM only
On
Off
Off
Off
AC present; PCM working correctly
On
Off
Off
On
PCM fan speed is outside acceptable limits
Off
On
Off
Off
PCM fan has failed
Off
On
On
On
PCM fault (over temperature, over voltage, over
current)
Off
Blinking
Blinking
Blinking
PCM firmware download is in progress
Table 14 Ops panel LED states
Sy
st
em
P
ow
er
(G
re
en
/A
m
be
r)
M
od
ul
e
Fa
ul
t
(A
m
be
r)
Id
en
tit
y
(B
lu
e)
LE
D
d
isp
la
y
Associated LEDs/alarms
Status
On
Off
Off
X
5V standby power present, overall power
failed or switched off
On
On
On
On
Ops panel power on (5s) test state
On
Off
Off
X
Power on, all functions good
On
On
X
X
PCM fault LEDs, fan fault LEDs Any PCM fault, fan fault, over or under
temperature
On
On
X
X
SBB module LEDs
Any SBB module fault
On
On
X
X
No module LEDs
Enclosure logical fault
On
Blink
X
X
Module status LED on SBB
module
Unknown (invalid or mixed) SBB module
type installed, I
2
C bus failure (inter-SBB
communications). EBOD VPD configuration
error
On
Blink
X
X
PCM fault LEDs, fan fault LEDs Unknown (invalid or mixed) PCM type
installed or I
2
C bus failure (PCM
communications)
X
Blink
Enclosure identification or invalid ID
selected
X = Disregard