Redundancy Status - Juniper E Series Hardware Manual

E-series Hardware Guide
Table 14: Troubleshooting abnormal LED activity on modules (continued)
Diagnostic Signs
!
FAN OK does not light
!
FAN FAIL LED lights
LINK LED is not lit
RED ALM
YEL ALM
This LED is not
NOTE:
functional on the HSSI
line module.
!
System will not boot.
!
Module(s) held offline.
!
FAIL LED lights.
None

Redundancy Status

106 !
Understanding Status LEDs to Troubleshoot
Possible Problems
!
Fan is not working properly or has
slowed down.
!
Fan needs replacement.
!
Ethernet connection is down.
!
System does not recognize a port
connection.
!
Cabling is not connected properly.
!
Cable is faulty.
!
Clocking problem exists.
!
Far end receive failure (FERF)
exists.
A slot group is overloaded.
!
System temperature is too high.
!
Vents are blocked.
!
Fans are not operating.
You can determine the redundancy state of line modules by examining the online
and redundant status LEDs (ERX-7xx/14xx models only). See Table 15.
The REDUNDANT LED on the cOCx/STMx, FE-8, GE/FE, HSSI, and
NOTE:
OCx/STMx modules is nonfunctional.
Actions
Contact Juniper Networks Customer Service; the system
must be serviced.
1. Check that Ethernet cables are properly connected to
both the Ethernet port and the appropriate network
device.
2. Contact Juniper Networks Customer Service.
1. Check that all cables are firmly plugged into the ports
and the attached network device.
2. Verify that cables are clean.
3. Test for faulty cables.
4. Verify clock source and configuration.
5. Reset system.
NOTE: Problem is corrected when normal LED activity is
observed.
1. Correct FERF problem.
2. Reset system.
NOTE: Problem is corrected when normal LED activity is
observed.
1. Issue the show version command to display board
status.
2. Review section on proper slot group configuration in
Chapter 5, Installing Modules.
3. Reconfigure system with correct slot group
configuration.
4. Reset system.
1. Check your console for a message indicating the
problem. If you have the system log set to a severity of
WARNING or higher, a Warning message indicating the
failure is displayed.
2. Issue the show environment command to display the
temperatures. If the temperature is too high, power
down the system.
3. Regulate temperature.
4. Reset system.