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Removable Power Supply and Fan
16
Troubleshooting
If the PSU does not function as expected:
■ Check that all cable connections are correct and secure.
■ On the PWR01 DC model, check that the Run/Standby switch has been
pressed and is in the On position.
■ On the PWR05 AC model, check that the Run/Standby switch has been set
to Run (position 1).
■ Check that the PSU is receiving the correct AC voltage (AC models).
■ If LEDs indicate a PSU fault, replace the PSU or have your authorised Allied
Telesis distributor or reseller service it.
Troubleshooting information is also in the x900 Series Switch and
SwitchBlade
®
x908 Hardware Reference. You can download this document from
www.alliedtelesis.com/support/software.