Figure 17: SSA switch System LEDs
describes the LED indications for the system LEDs and provides recommended actions.
Table 12: System LEDs
LED
Color
State
Recommended Action
FAN 1 and 2
Off
Fans are off or booting up.
None
Green
All fans are operating normally.
None
Amber
One fan has failed.
Replace the failed fan. See
on
page 39.
Red
One or more of the following conditions has
occurred:
•
Temperature is out of range.
•
The fan controller has failed.
•
Both fans have failed.
Use the
show system
CLI
command to check the exact
condition of the fans.
If fans have failed, replace the fan
module. See
CPU
Off
Power off.
Ensure that the chassis has
adequate power.
Amber
Blinking: Device in bootup process.
None
Solid: Testing.
If the LED remains amber for
several minutes,
for
technical support.
Green
Blinking: Image starts running.
None
Solid: Functional.
None
Red
Solid: Processor in reset.
None
Green
and
Amber
Blinking: The SSA switch is in the process of
shutting down.
None. This state is activated when
the RESET button is pressed for less
than one second to start an orderly
shutdown.
Amber
and off
Alternating (67% on, 33% off): A shutdown is
complete. The indication holds for 60 seconds
and restarts automatically.
While in this state, you have 60
seconds before the SSA switch
reboots.
Troubleshooting
S-Series Stand Alone (SSA) Switch Hardware Installation Guide
36
