6-2
C
HAPTER
6: T
ROUBLESHOOTING
THE
S
YSTEM
Table 6-1
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
Check that the power cord is firmly plugged into the system and either the
building’s power outlet, the redundant power system, or the
uninterruptible power system.
3
If you are using an RPS or a UPS, check that it is firmly plugged into the
building’s power outlet.
4
Try another power cable.
5
If the system still does not operate, contact 3Com Technical Support or
your service representative.
Table 6-2
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 3Com Technical Support or your service representative.
Power
LED does not light.
System has failed.
1
Shut down the system by disconnecting the power plug.
2
Call 3Com Technical Support or your service representative.
