Troubleshooting | 3Com CS/2500 specification

There is no power to the server.

Power off the server by pressing the O side of the power switch, then do the following:

6-2 CHAPTER 6: TROUBLESHOOTING

At initial power-on or during a reset, Power and Self Test LEDs fail to light.

Meaning:

Action:

1Verify that the power cord is plugged securely into the power supply module.

2Verify that the power cord is connected to an outlet.

3Ensure that power is available at the outlet you are using.

4Inspect the server’s fuse and replace it, if necessary. For instructions, refer to “Replacing the Fuse” on page 5-2.

5Try replacing the power cord.

If the Power and Self Test LEDs still fail to light, contact 3Com or your network supplier.

During self-tests, the Self Test LED remains on for longer than about a minute or the console displays an error message.

Meaning:	The server has failed a self-test.
Action:	The server may not always be able to report a failure on the
	console (for example, CPU failure). If a lighted Self Test
	LED is the only symptom, contact 3Com or your network
	supplier.
	If an error message appears on the console, refer to
	Appendix B, “Startup Messages,” for information. Report
	the failure and console messages to 3Com or your network
	supplier.

The Boot State LED remains on or goes on and off cyclically.

Meaning:	The boot source is not present or not responding.
Action:	Take the following action:

1Check the console for messages.

Follow the instructions in the message (for example, insert the diskette in the disk drive).