MAIN-B connection Error (error code: 100048)

Cause

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

Suspected cause
  • Faulty connection between ADF/SCN main board and Main Board of the main unit (cable disconnected or broken)
  • ADF/SCN Unit failure
  • Main Board Assy failure
Troubleshooting
Step Check and measure Yes No
1

Check the connection state of the ADF/SCN cables
For ADF/SCN cables, check the following items.

  • Are the ADF/SCN cables connected correctly to the Main Board Assy?
  • Any damage on the ADF/SCN cables?

Is the result OK?

 Go to step 2
  • When disconnectedReconnect the cable.
  • When damagedReplace the ADF/SCN Unit.
2

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

Replace the Main Board Assy.

Replace the ADF/SCN Unit.