SMC Networks RPUPOE, User Manual

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T
ROUBLESHOOTING
A-2
* The fast flashing behavior is approximately three flashes per second. The
slow flashing behavior is approximately one flash per second.
Power and Cooling Problems
If the power indicator does not turn on when the power cord is plugged in,
you may have a problem with the power outlet, power cord, or internal
power supply. However, if the unit powers off after running for a while,
check for loose power connections, power losses or surges at the power
outlet, and verify that the fans on the unit are unobstructed and running
prior to shutdown. If you still cannot isolate the problem, then the internal
power supply may be defective.
Installation
Verify that all system components have been properly installed. If one or
more components appear to be malfunctioning (such as the power cord or
network cabling), test them in an alternate environment where you are sure
that all the other components are functioning properly.
Fan LED is Off • The unit is powered off.
Thermal LED is
Flashing Yellow
• Indicates a high temperature that is approaching an
over-temperature condition.
• Check that the unit's cooling fans are operating normally.
• Power off the RPU unit and allow to cool.
• If the condition persists, contact Technical Support.
Table A-1 Troubleshooting Chart
Symptom Action