7
Troubleshooting hardware
This section provides troubleshooting information for common hardware problems.
NOTE:
This section describes how to troubleshoot unexpected switch reboot, power supply failure, and fan tray
failure. To troubleshoot transceiver modules, ports, and temperature alarms, see "
Troubleshooting system
management
" and "
Troubleshooting ports
."
Unexpected switch reboot
Symptom
The switch reboots unexpectedly when it is operating.
Troubleshooting flowchart
Figure 1
Troubleshooting unexpected switch reboot
The switch reboots unexpectedly
Can the CLI be
accessed?
Collect log messages
Reload the system
software image
Yes
No
Is the fault
rectified?
End
Contact H3C Support
Yes
No
Yes
No
Is the system software
image correct?
