3Com 5017C with load sharing, 5017C-LS installation and operation guide Command. If this fails to

Table 2-4. Troubleshooting with Controller Module LEDs (Continued)

LED	State	Possible	Troubleshooting
		Problem	Suggestions
Primary	Steady	The primary	Reinstall the primary
Power	blinking	power supply	power supply and turn it
(cont.)	(cont.)	is not properly	on.
		installed.
	Two blinks,	The power	If a management module
	then a pause	load-sharing	is installed, the
	(in unison	hardware is in	concentrator should
	with Backup	an error state.	recover automatically
	Power LED)		from this condition. If it
			doesn't, reset the
			concentrator using the
			RESET CONCENTRATOR
			command. If this fails to
			correct the condition,
			turn both power
			supplies OFF, then ON
			again.
			If a management module
			is not installed, turn both
			power supplies OFF, then
			ON again.
Backup	Off	The Backup	Press the LED Test button
Power		Power LED is	to verify that the LED is
		broken.	working properly.
		The backup	Reinstall the backup
		power supply	power supply and turn it
		is not properly	on.
		installed.

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