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Troubleshooting
This chapter includes these sections:
Power supply system failure
•
Fan failure
•
Configuration terminal problems
•
•
Password loss
Cooling system failure
•
Interface module, cable, and connection failure
•
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.
•
Keep the tamper-proof seal on a mounting screw on the chassis cover intact, and if you want to open the
chassis, contact the local agent of H3C for permission. Otherwise, H3C shall not be liable for any
consequence caused thereby.
Power supply system failure
The router cannot be powered on. The power LED on the front panel is off.
Follow these steps to troubleshoot the power supply system:
Turn off the power switch.
Step1
Open the chassis cover.
Step2
Check whether the power cord is properly, firmly connected.
Step3
Check whether the power cord is damaged.
Step4
If the cause cannot be located in the steps above and the problem persists, contact your local sales
agent.
Fan failure
After the router is booted, the following information appears:
%Jun 22 16:11:37:485 2010 H3C DEV/4/FAN FAILED:
Fan 1 failed.
Follow these steps to troubleshoot the fans:
Turn off the power switch.
Step1
Open the chassis cover.
Step2
Check whether the fans are in position.
Step3
Check whether any fan has stopped running. If yes, contact your local sales agent to have the fan
Step4
replaced.
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