Allied Telesis AT-MCF2000 - Manual (Page 45)

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Chapter 3
Troubleshooting
This chapter offers suggestions on how to troubleshoot the
AT-MCF2000 chassis should a problem occur. For
instructions on how to troubleshoot a problem with a
media converter module or the optional management
module, refer to the instructions in the Installation Guide
that ships with the module.
Problem: The fans in the power supply module are not
operating.
Solution: The power supply module is not receiving power
or has failed. Alternatively, the fans have failed. Try the
following:
ˆ View the LEDs on the power supply module to
determine whether the module is operating properly.
The description of the LEDs can be found in the
module’s Installation Guide.
ˆ Verify that the module is fully seated in the power
supply/fan slot on the back panel of the chassis.
ˆ Verify that the power cord is firmly connected to the
power supply module and the power source.
ˆ Verify that the power source is operating properly by
plugging a different device into it.
ˆ Replace the power supply module with another power
supply module.
ˆ Verify that the power from the power source is within
the operating specifications of the power supply
module. For the operating specifications of the power
supply module, refer to the Installation Guide that ships
with the module.
Problem: The fans in the AT-MCF2KFAN module are not
operating.
Solution: The fan module is not receiving power or has
failed. Try the following:
ˆ Verify that the module is fully seated in the power
supply/fan slot in the chassis.