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Maintenance and troubleshooting
Power failure
To identify whether a power failure occurs, examine the system status LED (SYS) on the switch.
Symptom
The system status LED on the switch is off.
Solution
To resolve the issue:
1.
Verify that the power receptacle on the switch is in good condition.
2.
Verify that the power cord is connected correctly.
3.
Verify that the power source is operating correctly.
4.
Verify that the operating temperature of the switch is in the acceptable range, and the power
supply has good ventilation. Overtemperature can cause the power supply to stop working and
enter protection mode.
5.
If the issue persists, contact H3C Support.
Configuration terminal issues
No display on the configuration terminal
Symptom
The configuration terminal does not have display when the switch is powered on.
Solution
To resolve the issue:
1.
Verify that the power system is operating correctly.
2.
Verify that the switch is operating correctly.
3.
Verify that the console cable has been connected correctly.
4.
Verify that the following settings are configured for the terminal:
Baud rate
—9600.
Data bits
—8.
Parity
—None.
Stop bits
—1.
Flow control
—None.
5.
Verify that the console cable is not faulty.
6.
If the issue persists, contact H3C Support.