SCN Board over-voltage error

Error code
  • 190017 SCN Board over-voltage error
Occurrence condition
  • The Main Board detected a power circuit failure on the SCN Board.
Assumed cause
  • SCN Board failure
  • Failure of the connection harness (MCU-SCN 20-pin)
  • Failure of the Main board
  • MCU board failure
Related parts

  • SCN Board

  • 20-pin harness connecting the MCU Board and SCN Board

  • Main Board

  • MCU Board

Troubleshooting

Step

Confirmation and action

Yes

No

1

Check connection of cables

  • Check if there are any problems with the cable.

Reconnect the cables.

Does the error still occur?

 Go to step 2 End
2

Replace the SCN Board

Does the error still occur after replacing the SCN Board?

 Go to step 3 End
3

Replace the harness

  • Replace the 20-pin harness connecting the MCU Board and SCN Board.
  • Does the error still occur after the harness is replaced?
 Go to step 4 End
4

Replacement of Main Board

Does the error still occur after replacing the Main Board?

 Go to step 5 End
5

Replace the MCU board

Does the error still occur after replacing the MCU Board?

 Contact EPSON Local Service Representatives End