MAIN-B connection error (error code: 100048)

Cause

Occurs if communication is not possible between the SCN main board and Main Board Assy of the main unit.

Suspected cause

  • Faulty connection between SCN main board and main unit main board (cable disconnected or broken)

  • ADF/SCN unit failure (SCN main board failure)
  • Main Board failure
Troubleshooting
Step Confirmation and action Yes No
1

Check the connection state of the cable
Are the 2 cables connected correctly between the SCN main board and main unit main board? Furthermore, there must be no damage.
(SCN main board: CN432, CN458)
(Main Board: CN103, CN104)

 Go to step 2
  • Reconnect the cables.
    or
  • Replace the cables.
2

Reinstall and check the ADF/SCN Unit
Check by replacing the ADF/SCN Unit with a normal unit (which works normally).
Does the error occur?

Main Board Replacement

Replace the ADF/SCN Unit