IBM HS40 manual Diskette drive problems

Note: See Chapter 7, “Parts listing, Type 8839,” on page 105 to determine which components should be replaced by a field service technician.

Diskette drive problems

Symptom	FRU/action
Diskette drive activity LED	1.	If there is a diskette in the drive, make sure that:
stays on, or the system
		v The diskette is inserted correctly in the drive.
bypasses the diskette drive.		v The diskette is good and not damaged. (Try another diskette if you have
		one.)
		– The drive light comes on (one-second flash) when the diskette is inserted.
		v The diskette contains the necessary files to start the computer.
		v The diskette drive is enabled in the Configuration/Setup utility program.
		v The software program is working properly.
		v The cable is installed correctly (in the proper orientation).
	2.	To prevent diskette drive read/write errors, be sure the distance between
		monitors and diskette drives is at least 76 mm (3 in.).
	3.	Cable.
	4.	Run diskette drive diagnostics.
	5.	Diskette drive.
	6.	Media tray card.

Note: See Chapter 7, “Parts listing, Type 8839,” on page 105 to determine which components should be replaced by a field service technician.

Expansion enclosure problems

Symptom	FRU/action
The SCSI storage expansion	1.	Make sure that the enclosure is installed correctly.
unit used to work but does
	2.	For more information, see your SCSI storage expansion unit documentation.
not work now.

Note: See Chapter 7, “Parts listing, Type 8839,” on page 105 to determine which components should be replaced by a field service technician.

General problems

Symptom	FRU/action
Problems such as broken	Broken CRU/FRU
cover locks or indicator LEDs
not working

Note: See Chapter 7, “Parts listing, Type 8839,” on page 105 to determine which components should be replaced by a field service technician.

Hard disk drive problems

Symptom	FRU/action
Not all drives are recognized	1.	Remove the first drive not recognized and try the hard disk drive
by the hard disk drive
		diagnostic test again.
diagnostic test (Fixed Disk
	2.	If the remaining drives are recognized, replace the drive you removed with a
test).
		new one.
System stops responding	1.	Remove the hard disk drive being tested when the computer stopped
during hard disk drive
		responding and try the diagnostic test again.
diagnostic test.
	2.	If the hard disk drive diagnostic test runs successfully, replace the drive you
		removed with a new one.

Chapter 6. Symptom-to-FRU index 89