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12 Quick Installation Guide
Table 7
Troubleshooting Abnormal Status on System Processor LEDs
LED Status Possible Sources of Problem and Steps to Take
RUN LED does not light. Possible source of problem:
■ Diagnostic software is not running.
Recommended actions:
■ Contact your network supplier or 3Com
Technical Support.
PS1 or PS2 LED lights yellow. Possible sources of problem:
■ Power supply is not fully inserted.
■ Power supply is out of specification.
Recommended actions:
1 Verify that the power cord is fully inserted at
both ends.
2 If the system still does not operate, contact your
network supplier or 3Com Technical Support.
SYS LED lights yellow. Possible source of problem:
■ System processor has failed.
Recommended actions:
1 Verify that the power cord is fully inserted at
both ends.
2 Contact your network supplier or 3Com
Technical Support.
SYS LED blinks yellow. Possible sources of problem:
■ Hardware/software mismatch
Recommended actions:
1 If you have added a new module, remove it and
reboot the system.
2 If you have just updated software, reload the old
version of software.
3 Contact your network supplier or 3Com
Technical Support for hardware/software
incompatibility information.