4.13.4 A communication error occurs
<User Check>
- Check whether the source of noise is around the machine.
Step
1
2
3
Cause
Modem PCB harness
connection failure
Modem PCB failure
Main PCB failure
Check the modem PCB harness connection
and reconnect it.
Replace the modem PCB ASSY.
Replace the main PCB ASSY.
2-121
Remedy
Confidential