Dialing Function Does Not Switch Between "Tone" And "Pulse; A Communication Error Occurs; Reception Mode Cannot Be Changed; Caller Id Are Not Displayed - Brother 09055CDN Service Manual

3.12.6 Dialing function does not switch between "Tone" and "Pulse"

Step
1
2
3

3.12.7 A communication error occurs

Step
1
2

3.12.8 Reception mode cannot be changed

Step
1

3.12.9 Caller ID are not displayed

Step
1
Cause
Connection between main
PCB and NCU PCB
NCU PCB failure
Main PCB failure
Cause
NCU PCB failure
Main PCB failure
Cause
Main PCB failure
Cause
Main PCB failure
Connect the connector between the main
PCB ASSY and NCU PCB ASSY correctly.
Replace the NCU PCB ASSY.
Replace the main PCB ASSY.
Replace the NCU PCB ASSY.
Replace the main PCB ASSY.
Replace the main PCB ASSY.
Replace the main PCB ASSY.
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Remedy
Remedy
Remedy
Remedy
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