Lenovo 3797 manual Power-supply LEDs Error Description Action

Table 16. Power-supply LEDs

	Power-supply LEDs
AC		DC	Error	Description	Action	Notes
Off		Off	Off	No ac power to	1. Check the ac power to the server.	This is a normal
				the server or a		condition when no
					2. Make sure that the power cord is
				problem with the		ac power is present.
					connected to a functioning power
				ac power source
					source.
					3. Turn the server off and then turn the
					server back on.
					4. If the problem remains, replace the
					power supply.
Off		Off	On	No ac power to	1. Replace the power supply.	This happens only
				the server or a		when a second
					2. Make sure that the power cord is
				problem with the		power supply is
					connected to a functioning power
				ac power source		providing power to
					source.
				and the power		the server.
				supply had
				detected an
				internal problem
Off		On	Off	Faulty power	Replace the power supply.
				supply
Off		On	On	Faulty power	Replace the power supply.
				supply
On		Off	Off	Power supply not	1. Reseat the power supply.	Typically indicates
				fully seated,	2. If the 240V failure LED on the system	that a power supply
				faulty system		is not fully seated.
					board is lit, have the system board
				board, or faulty
					replaced (trained service technician
				power supply
					only).
					3. If the 240V failure LED on the system
					board is not lit, replace the power
					supply.
On		Off or	On	Faulty power	Replace the power supply.
		Flashing		supply
On		On	Off	Normal operation
On		On	On	Power supply is	Replace the power supply.
				faulty but still
				operational

Chapter 7. Solving problems 149