IBM SA38-0512-03 manual Does Fan, Supply, On and stay, On?

Step 1520-3

1. Turn the power off.

2. Unplug the system unit power cable from the electrical outlet.

3.Remove external cables (keyboard, mouse, etc.)

4.Remove the top cover.

5.Record the slot numbers of all the installed adapters. Label and record the

	location	of	any cables attached to the			adapters. Remove	all the adapters.
6.	Remove	all	the memory	modules.
7. Remove		the	processor	cards	(Model 240	only).
8. Remove		the	L2 cache card (Model 140 only).
9. Remove		the	riser card and		SCSI cables	from the system	board.

10.Unplug the diskette drive signal cable and diskette drive power cable from t system board.

11.Unplug the power cables from all the SCSI devices.

12. Unplug internal serial port and Ethernet cable from the system board.

13.Unplug the front fans and media fan.

14.Unplug the speaker.

Note:	Do		not	disconnect		the		power-on LED or the power switch.
15. Connect		the		system unit		power			cable to	the	electrical outlet.
16. Turn	the		power		on.
Does the	fan	in	the	power	supply	turn	on	and	the power	LED come	on and stay
on?
NO	Go		to	“Step 1520-4” on				page 2-18.
YES	Go		to	“Step	1520-5”		on	page 2-19.

Chapter 2. Maintenance Analysis Procedures 2-17(MAPs)