Installation Manual
5. Troubleshooting
53
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Off: indicates that the fan
works abnormally.
When the fan indicator on the panel of the QSR-2920 series router is off, it indicates that there
is the faulty fan. View whether the fans rotate to confirm the faulty fan. Troubleshoot the
faults according to the following steps.
Step 1:
Check whether the power works normally.
Step 2:
Check whether the air outlet and inlet of the chassis are blocked. If yes, clean
the air outlet and inlet to ensure the air passage is smooth.
If the problem remains after all the preceding operations, contact the agent or the local
technical support engineer.
5.3.
Troubleshooting about Power
When the P1, or P2 or PWR indicator on the front panel of the router is off, it indicates that the
power module of the device is faulty. Troubleshoot the faults according to the following steps:
Step 1:
Check and ensure that the power supply system connected by the router and the
voltage are normal.
Step 2:
Check the connection of the power cable on the power slot of the router. Re-
swap the power cable and confirm whether the power cable is loose.
Step 3:
Replace the power cable connected to the router, and then check whether the
power status LED recovers to normal. If yes, you can confirm that the original
power cable has been damaged; if no, please contact the agent or local technical
service engineer for handling.
5.4.
Get Technical Support
If the fault remains via the above contents of the chapter, please contact the agent or local
technical engineers in time. Before you contact the customer service, please prepare the
following information, which is convenient for the customer service staff to help you solve the
problem.
1.
The arrival time of the router
2.
The serial number of the chassis (labeled on the chassis)
3.
Software version number (it can be viewed via
show version
in the command line view)
4.
Maintenance agreement or warranty card
5.
Simple description of the fault problem
6.
Simple introduction of the taken troubleshooting steps
You can contact the customer service via the customer service hotline and you can also search
for help via the website or email.
Customer service: +7 (495) 797-33-11 * 555
Website:
