Table 9. PSU LED status (continued)
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)
Flashing
Off
Off
Off
Standby mode
Off
Flashing
Flashing
Flashing
PCM firmware
download in
progress
Ops panel LEDs
The front panel displays the aggregated status of all the modules. The enclosure status LEDs located on
subsections that follow the table.
Table 10. Ops Panel LED states
System Power
(Green/Amber)
Module Fault
(Amber)
Logical Fault
(Amber)
LED Display
Associated
LEDs/Alarms
Status
On
Off
Off
5V standby
power present,
overall power
failed or
switched off
On
On
On
On
Ops panel
power on (5s),
test state
On
Off
Off
Power on, all
functions good
On
On
PCM fault
LEDs,fan fault
LEDs
Any PCM fault,
fan fault, over
or under
temperature
On
On
SBB module
LEDs
Any SBB
module fault
On
On
No module
LEDs
Enclosure
logical fault
26 IBM Cloud Object Storage System: IBM Small J10 Disk Enclosure Manual
Summary of Contents for Small J10 Series
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