Troubleshooting

 

Symptom Charts/Power (Continued) - 4

 

 

 

Power (Continued)

 

 

 

 

After you remove

1

Check cables.

main battery, some

2

Replace backup battery.

Control Panel settings

3

Replace interconnect board.

are different

4

Replace daughterboard.

 

 

 

5

Replace motherboard.

Power adapter is

1

Verify that power adapter is connected correctly.

plugged in, but

2

Try known-good, charged main battery.

Control Strip doesn’t

3

Try known-good power adapter.

indicate adapter is

4

Replace motherboard.

connected

 

 

 

Page 35
Image 35
Apple 520C, 540C manual Power