Apple 7200/120, WS 7250/120, 7200/90 manual Error Chords

Models: 7200/90 WS 7250/120 7200/120

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TroubleshootingSymptom Charts/Error Chords - 4

Error Chords

One-part error

1

Disconnect SCSI data cable from hard drive and reboot

chord sounds during

 

system. If startup sequence is normal, initialize hard drive.

startup sequence

 

Test unit again with SCSI data cable connected. If error chord

 

2

still sounds, replace hard drive.

 

Disconnect floppy drive cable from floppy drive and reboot

 

3

system. If startup sequence is normal, replace floppy drive.

 

Replace logic board. Retain customer's DIMMs.

Eight-part error

1

Replace DRAM DIMMs one at a time to test DRAM. Replace

chord (death chimes)

2

any faulty DIMMs.

sounds during

Replace logic board.

startup sequence

 

 

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Apple 7200/120, WS 7250/120, 7200/90 manual Error Chords