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Troubleshooting the Cisco cBR
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Troubleshooting the Fan Module in the Cisco cBR
Problem
The STATUS LED of a fan is not
illuminated when the Cisco cBR-8
chassis is powered on. Less than 10
seconds have elapsed since the
chassis has been powered ON.
The STATUS LED of a fan is not
illuminated when the Cisco cBR-8
chassis is powered on. More than
10 seconds have elapsed since the
chassis has been powered ON.
The STATUS LED of a fan is
illuminated with Amber light and
the Fan Module shows no acoustic
indication of failure. Alternatively
all fans are acoustically elevated
with Amber illumination of one
LED on a fan.
The RPLC LED of a fan is
illuminated with Amber light and
the all the Fan Module are
acoustically elevated with Amber
illumination of one LED on a fan.
Troubleshooting the Fan Module in the Cisco cBR, on page 255
Troubleshooting the Power System in the Cisco cBR, on page 257
Troubleshooting the Interface Cards in Cisco cBR Chassis, on page 257
General Troubleshooting, on page 259
C H A P T E R
Possible Cause
Fan module starts up 10 seconds
after the chassis is powered on.
There could be a failure of a Fan
Module component.
There could be a failure of a Fan
Module hardware component. It
could also be a minor alarm.
There could be a failure of a Fan
Module hardware component. It
could also be a minor alarm.
Cisco Converged Broadband Routers Hardware Installation Guide
22
Solution
The corresponding LED illuminates
10 seconds after the chassis is
started up.
Check the status of the LED labeled
RPLC. If it is also illuminated then
replace the fan module.
Replace the Fan Module.
Replace the Fan Module.
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Troubleshooting
