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If the switch has two or three PWR300 power supplies and the DC OUT/
FAULT LEDs are all green, try the following:
Verify that the DC wire harnesses are securely connected to the
connectors on the switch and power supplies.
Verify that the AC power cables are securely connected to the
connectors on the PWR300 power supply and the AC power
source.
Try replacing the switch.
If all the port LEDs are off, the switch might be operating in the low power
mode. To toggle on the LEDs, use the ECOFRIENDLY LED and NO
ECOFRIENDLY LED commands in the command line interface.
Problem 2: The DC OUTPUT/FAULT LED on the PWR300 power supply
is off.
Solutions: The power supply is not receiving power or has failed. Try the
following:
Verify that the AC power cable is securely connected to the
connector on the PWR300 power supply and the AC power source.
Try connecting the PWR300 power supply to a different AC power
source.
Try connecting another device to the AC power source to verify
that it has power.
Try replacing the PWR300 power supply.
Problem 3: The DC OUTPUT/FAULT LED on the PWR300 power supply
is amber.
Solutions: The power supply has encountered a fault condition. It might
be overheating or failing, or the input AC voltage might be outside the
normal operating range. Try the following:
Verify that there is adequate airflow around the power supply.
Verify that there is adequate distance for ventilation between the
power supply and other network devices.
Try connecting the PWR300 power supply to a different AC power
source.
Try replacing the PWR300 power supply.
x320 Series Installation Guide
109
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