ADF Board over-voltage error
Error code
- 190016 ADF Board over-voltage error
Occurrence condition
- The Main Board detected a power circuit failure on the ADF Board.
Assumed cause
- ADF Board failure
- Failure of the connection harness (SCN-ADF 22-pin/MCU-SCN 20-pin)
- SCN Board failure
- Failure of the Main board
- MCU board failure
Related parts
ADF Board
22-pin harness connecting the SCN Board and ADF Board
20-pin harness connecting the MCU Board and SCN Board
SCN Board
Main Board
MCU Board
Troubleshooting
Step |
Confirmation and action |
Yes |
No |
|---|---|---|---|
1 |
Check connection of cables
Reconnect the cables. Does the error still occur? |
Go to step 2 | End of work |
| 2 | Replace the ADF Board (Because time is required to replace the ADF Board and SCN Board, replace the ADF/SCN Unit to shorten repair times.) Does the error still occur after replacing the ADF Board? Does the error still occur? |
Go to step 3 | End of work |
| 3 | Replace the SCN Board (Because time is required to replace the ADF Board and SCN Board, replace the ADF/SCN Unit to shorten repair times.) Does the error still occur after replacing the SCN Board? Does the error still occur? |
Go to step 4 | End of work |
| 4 | Replacement of Main Board Does the error still occur after replacing the Main Board? |
Go to step 5 | End of work |
| 5 | Replace the MCU board Does the error still occur after replacing the MCU Board? |
Contact EPSON Local Service Representatives | End of work |