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:

Step1

Turn off the power switch.

Step2

Open the chassis cover.

Step3

Check whether the power cord is properly, firmly connected.

Step4

Check whether the power cord is damaged.

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:

Step1

Turn off the power switch.

Step2

Open the chassis cover.

Step3

Check whether the fans are in position.

Step4

Check whether any fan has stopped running. If yes, contact your local sales agent to have the fan

replaced.