3Com 5017C-LS, 5017C with load sharing Troubleshooting with Controller Module LEDs

If any of these LEDs are not lit as shown in this chart, refer to Table 2-4 to troubleshoot the problem.

Table 2-4. Troubleshooting with Controller Module LEDs

LED	State	Possible	Troubleshooting
		Problem	Suggestions
Primary	Off	The Primary	Press the LED Test button
Power		Power LED is	to verify that the LED is
		broken.	working properly.
		The primary	Reinstall the primary
		power supply	power supply and turn it
		is not properly	on.
		installed.
	Steady	The primary	Verify that the outlet is
	Blinking	power supply	supplying power.
		has failed.
			Verify that the voltage
			selection switch is set to
			the correct position for
			your country's line
			voltage.
			Verify that the power
			cord is plugged in at
			both ends and that the
			cord is appropriate for
			your country's line
			voltage.
			Verify that the power
			switch is turned on.
			Replace the power
			supply.

2 - 22 ONline 17-Slot System Concentrator Installation and Operation Guide