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Maintenance and troubleshooting
Power supply failure
Look at the PWR1 or PWR2 LED of the switch to identify a power supply failure. For more information
about the PWR1 and PWR2 LEDs on the front panel of the switch, see
If the power supply system is correctly working, the power supply status LEDs are steady green. If the LEDs
behave in any other way, verify the following items:
•
The switch power cord is properly connected.
•
The power source meets the requirement.
•
The operating temperature of the switch is in the normal range and the power supply has good
ventilation.
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 a 5500 HI switch to identify a fan failure. If
both LEDs are behaving as described in
, 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 5500 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.