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Table 23. IBM Storage Scale System 3500 power module status LED
Green Color
ON
OFF
OFF
OFF
Flashing 0.5 Hz
Flashing 2.0 Hz
Server canister LEDs
The IBM Storage Scale System 3500 server canister consists three status LEDs on the bottom of the
server canister operator panel. In addition, two Ethernet port LEDs per Ethernet port (four LEDs) are
located to the right of the server canister status LEDs. These LEDs are used to monitor the status of server
canister and Ethernet ports.
The following figure shows server canister LEDs.
Figure 46. IBM Storage Scale System 3500 server canister
The following figure shows a close-up view of server canister LEDs.
Amber Color
OFF
OFF
ON
Flashing 0.5 Hz
OFF
OFF
Chapter 5. Monitoring the system using LEDs 59
Behavior
Power module ON and OK.
No AC power to all power
modules.
A power module critical event
is causing shutdown. Also,
indicates the AC power cord is
unplugged.
Indicates high temperature, hot
spot temperature, slow fan, high
current, or high-power warning in
power module. In this condition,
power module continues to
operate.
Power module is in standby
state. AC present, 12 V standby
ON/PSU OFF. PSU is in smart
redundant state.
Indicates that the firmware is in
update mode.
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