Missing Boot Rom Password; Power System Failure; Configuration System Failure - H3C LS-3100-16TP-EI-H3-A-O Installation Manual

Installation Manual
H3C S3100 Series Ethernet Switches
7. Skip current configuration file
8. Set bootrom password recovery
9. Set switch startup mode
0. Reboot
Enter your choice(0-9):
Select <7> and restart the switch. After that, the system will skip the configuration file.

6.2.2 Missing Boot ROM Password

Please contact your agent.

6.3 Power System Failure

You can check whether the power system of the switch fails by viewing the POWER
indicator on the front panel. If it is in normal operation, the POWER indicator should
stay on. Otherwise, please check that:
The switch power cable is correctly connected.
The power input to the switch matches the requirement as labeled on the switch.

6.4 Configuration System Failure

After the switch is powered on and the system is normal, the booting information will be
displayed on the configuration terminal. If the configuration system has any faults, there
will not be any screen display at the configuration terminal or the displayed characters
will be totally illegible.
I. Troubleshooting when there is no terminal display
If there is no output information after the configuration is powered on, please check
that:
The power supply is normal
The console cable is properly connected
If no problems are found after the above-mentioned items have been checked, the
cause may lie in the console cable or the settings of the terminal (such as
HyperTerminal) parameters. Please perform the corresponding check.
II. Troubleshooting when the terminal display is illegible
If there is illegible display at the configuration terminal, the cause might lie in the
parameter setting error at the terminal (such as HyperTerminal). Please confirm the
following terminal parameter (such as HyperTerminal) settings:
Bits per second: 9600
Chapter 6 Maintenance and Troubleshooting
6-2