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38 C
HAPTER
6: T
ROUBLESHOOTING
THE
S
YSTEM
Tabl e 7
Troubleshooting Power Failures
Symptom Possible Sources of the Problem Steps to Take
System does not power up.
■
System is not receiving power.
■
Power supply malfunctioned.
1
Verify that the building’s power outlet has power.
2
Verify that the power cord is firmly plugged into the system and into the
building’s power outlet.
3
Try another power cable.
4
If the system still does not operate, contact your network supplier or
3Com Technical Support.
Tabl e 8
Troubleshooting Abnormal System LED Activity
LED Status Possible Sources of the Problem Steps to Take
Fault
LED blinks yellow. Diagnostic software is not running.
1
Check the Administration Console display.
2
Call your network supplier or 3Com Technical Support.
Power
LED does not light. System has failed or power is not being
supplied.
1
Shut down the system by disconnecting the power plug.
2
Call your network supplier or 3Com Technical Support.