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6-2 CHAPTER 6: TROUBLESHOOTING THE SYSTEM
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.