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Troubleshooting
NOTE:
The barcode stuck on the router chassis contains production and servicing information. Before you return
a faulty router for serving, provide the barcode information of the router to your local sales agent.
Router failures
Power status LEDs are off
When the PWR1 and PWR2 LEDs are off, the power module of the router is faulty. For more information
about the PWR1 and PWR2 LEDs, see
To troubleshoot the problem:
1.
Check whether a power module is plugged in a right slot.
2.
Check whether the power module is powered on normally. A green PWR LED indicates that the
router is powered on properly.
3.
If the cause cannot be located in the steps above and the problem persists, contact your local sales
agent.
RUN LED is off
When the RUN LED of the router is off, it indicates that the router is faulty. For more information about the
RUN LED, see
To troubleshoot the problem, contact your local sales agent.
RUN LED fast flashes
Five minutes after the router is powered on, if the RUN LED still fast flashes at 8 Hz, it indicates that the
system software image fails to start or the router is faulty.
To troubleshoot the problem:
1.
Check whether the terminal display is correct.
2.
Check whether the system software image file properties are correct in the BootWare menu.
3.
If the cause cannot be located in the steps above and the problem persists, contact your local sales
agent.
ALM LED is steady on or flashes
If the ALM LED is steady on or flashes, it indicates that the router is faulty. The ALM LED may be on in the
following cases.
"Appendix B
LEDs."
"Appendix B
LEDs."
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