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| Title | Size | Download |
|---|---|---|
| 03-Troubleshooting | 55.19 KB |
Contents
Configuration terminal display issues
No response from the serial port
System failure during operation
Guidelines for using the reset button
3 Troubleshooting
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IMPORTANT: · The barcode on the router chassis contains product information that must be provided to local sales agent when you return a faulty router for service. · Keep the tamper-proof seal on a mounting screw on the chassis cover intact, and if you want to open the chassis, contact H3C for permission. Otherwise, H3C shall not be liable for any consequence. |
Power supply failure
Symptom
A power supply LED is off.
Solution
To resolve the issue:
1. Cut off power from the power source.
2. Verify that the power cord connects the power receptacle to the power source correctly.
3. Verify that the power source is operating correctly.
4. Verify that the power cord is in good condition.
5. If the issue persists, contact H3C Support.
Configuration terminal display issues
If the configuration environment setup is correct, the configuration terminal displays boot information when the router is powered on. If the setup is incorrect, the configuration terminal displays nothing or garbled text.
No terminal display
Symptom
The configuration terminal does not display any output when the router is powered on.
Solution
To resolve the issue:
1. Verify that the power supply system is operating correctly.
2. Verify that the console cable is correctly connected to the console port.
3. Verify that the console cable is connected to the serial port that is configured on the configuration terminal.
4. Verify that the configuration terminal parameters are configured as follows:
¡ Baud rate—9600
¡ Data bits—8
¡ Parity—none
¡ Stop bits—1
¡ Flow control—none
5. Verify that the console cable is in good condition.
6. If the issue persists, contact H3C Support.
Garbled terminal display
Symptom
The configuration terminal displays garbled output when the router is powered on.
Solution
Verify that the Data bits field is set to 8 for the configuration terminal. If the Data bits field is set to 5 or 6, the configuration terminal displays garbled characters.
No response from the serial port
Symptom
No boot information is displayed on the configuration terminal when the router starts up or restarts up.
Solution
Verify that the serial console cable is in good condition and the serial port settings are correct.
System failure during operation
Symptom
A system failure occurs during operation.
Solution
Press the reset button (RESET) for about 2 seconds to reboot the router.
Guidelines for using the reset button
The router provides a reset button for system reboot. Pressing the reset button for about 2 seconds reboots the router.
The reset button cannot restore your router to its factory-default settings.