4-34
4
Maintenance and troubleshooting
Power supply failure
You can determine whether a power supply is faulty by observing the status LED on the power supply.
For more information about the status LED on a power supply, see
H3C PSR450 Power Module
Series User Manual
.
Symptom
The status LED on a power supply is not steady green.
Solution
To resolve the issue:
1.
Verify that the power cord is correctly connected.
2.
Verify that the power source is as required by the power supply.
3.
Verify that the operating temperature of the switch is in an acceptable range and good
ventilation is provided for the power supply.
4.
If the issue persists, contact H3C Support
To replace a power supply, see "
Installing and removing a power supply
."
Fan tray failure
CAUTION:
If more than one fan tray fails while the switch is operating, do not remove the failed fan trays
simultaneously. Replace the fan trays one by one and finish replacing each fan tray within 3 minutes.
Symptom
The status LED on a fan tray is steady on and the system outputs a message that indicates a fan tray
failure.
Solution
Replace the failed fan tray. For more information, see "
Installing and removing a fan tray.
"
Configuration terminal display issues
No display on the configuration terminal
Symptom
The configuration terminal does not have display when the switch is powered on.
