40
NOTE:
If the problem persists, contact HP for help.
To replace a hot swappable power supply, see “Installing/removing a power supply.”
Fan failure
Look at the system status LED and the seven-segment LED of an A5500 HI switch to identify a fan failure.
If both LEDs are behaving as described in Table 8,
a fan failure occurs.
Table 8 LED behaviors that identify a fan failure
LED Mark State
System status LED SYS Steady red
Seven-segment LED Unit
The LED displays a flashing F character.
The A5500 HI Switch Series uses fixed fans. If a fan failure occurs, promptly contact HP for help and do
not attempt to fix the problem yourself or continue to run the switch.
Configuration terminal problems
If the configuration environment setup is correct, the configuration terminal displays booting information
when the switch is powered on. If the setup is incorrect, the configuration terminal displays nothing or
garbled text.
No terminal display
If the configuration terminal displays nothing when the switch is powered on, verify the following items:
• The power supply is supplying power to the switch.
• The console cable is properly connected.
• The console cable has no problem and the terminal settings are correct.
Garbled terminal display
If terminal display is garbled, verify that the following settings are configured for the terminal, for
example, HyperTerminal:
• Baud rate—9,600
• Data bits—8
• Parity—none
• Stop bits—1
• Flow control—none
• Emulation—VT100
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