Lenovo RS210 manual Power problems

Power problems

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee Chapter 7, “Parts listing, RS210 Types 6531, 6532, 6533, and 6534,” on page 177 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a Trained service technician.

vGo to the Lenovo support Web site at http://www.lenovo.com/support to check for technical information, hints, tips, and new device drivers or to submit a request for information.

Symptom	Action
The power-control button does	1.	Make sure that the power-control button is working correctly:
not work, and the reset button
		a.	Disconnect the server power cords.
does work (the server does not
		b.	Reconnect the power cords.
start).
Note: The power-control button		c.	(Trained service technician only) Reseat the operator information panel
will not function until			cables, and then repeat steps 1a and 1b.
approximately 1 to 3 minutes			v (Trained service technician only) If the server starts, reseat the operator
after the server has been
			information panel. If the problem remains, replace the operator
connected to ac power.
			information panel.
			v If the server does not start, bypass the power-control button by using the
			force power-on jumper (see “System-board switches and jumpers” on
			page 111). If the server starts, reseat the operator information panel. If the
			problem remains, replace the operator information panel.
	2. Make sure that the reset button is working correctly:
		a. Disconnect the server power cords.
		b. Reconnect the power cords.
	3.	Make sure that:
		v The power cords are correctly connected to the server and to a working
			electrical outlet.
		v The type of memory that is installed is correct.
		v The DIMMs are fully seated.
		v	The LEDs on the power supply do not indicate a problem.
		v (Trained service technician only) The microprocessor is correctly installed.
	4. Reseat the following components:
		a.	DIMMs
		b. (Trained service technician only) Power-supply cables to all internal
			components
		c. (Trained service technician only) Power switch connector
	5. Replace the following components one at a time, in the order shown, restarting
		the server each time:
		a.	DIMMs
		b.	Power supply
		c. (Trained service technician only) System board
	6. If you just installed an optional device, remove it, and restart the server. If the
		server now starts, you might have installed more devices than the power
		supply supports.
	7. See “Power-supply LEDs” on page 67.
	8. See “Solving undetermined problems” on page 103.

62ThinkServer ThinkServer RS210, Types 6531, 6532, 6533, and 6534: Hardware Maintenance Manual