4.6 Troubleshooting for Other Problems
4.6.1 Cannot update firmware
<User Check>
- Make sure that there is no other function running.
- Turn the power switch OFF and then ON again.
Step
Main PCB failure
1
4.6.2 Machine is not turned ON
<User Check>
- Check the DC terminal connection.
- Turn the power switch OFF and then ON again.
Step
Key attachment failure
1
Connection failure of the LCD PCB
2
flat cable
Connection failure of the LCD flat
3
cable
AC cord failure
4
AC adapter failure
5
LCD PCB failure
6
Main PCB failure
7
Cause
Replace the main PCB ASSY.
Cause
Reattach the key.
Reconnect the LCD PCB flat cable.
Reconnect the LCD flat cable.
Replace the AC cord.
Replace the AC adapter.
Replace the LCD PCB ASSY.
Replace the main PCB ASSY.
2-24
Remedy
Remedy
Confidential