ADF board overvoltage error

Error code
  • 190016 ADF board overvoltage error
Occurrence condition
  • The Main Board detected a power circuit failure on the ADF Board.
Assumed cause

  • ADF Board failure

  • Failure of the harness (SCN-ADF 22-pin/SUB_M-SCN 20-pin)

  • SCN Board failure

  • Main Board failure

  • SUB_M Board failure

Related parts

  • ADF Board

  • 22-pin harness connecting the SCN Board and ADF Board

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

  • SCN Board

  • Main Board

  • SUB_M Board

  • ADF Unit

Troubleshooting

Step

Confirmation and action

Yes

No

1

Replace the ADF Board

Does the error still occur after replacing the ADF Board?

 Go to step 2 Replace the ADF Board
2

Replace the harness

  • Replace the 22-pin harness connecting the SCN Board and ADF Board.
  • Replace the 20-pin harness connecting the SUB_M Board and SCN Board.
  • Does the error still occur after both harnesses are replaced?
 Go to step 3 Replace the harness
3

Replace the SCN Board

Does the error still occur after replacing the SCN Board?

 Go to step 4 Replace the SCN Board
4

Replace the Main Board

Does the error still occur after replacing the Main Board?

 Go to step 5 Replace the Main Board
5

Replace the SUB_M Board

Does the error still occur after replacing the SUB_M Board?

 Replace the ADF Unit Replace the SUB_M Board