Head control board over voltage error

Error code
  • 060012 Head control board over voltage error
Occurrence condition

  • The voltage value of the Head control board is higher than the specified value.

  • Power supply to head control board stopped

  • Contact between signal lines inside the USB cable sheath

Assumed cause

  • Failure of the DC-DC circuit in the Head control board.

  • Abnormal source voltage input to the Head control board.

  • AC-DC Power Supply Unit Failure

  • Poor connection between the Main Board and the Head Unit (cable disconnected/inserted loosely/slanted, etc.)

  • Fault with the Head USB cable between the Main board and Head Unit.

Defect-related parts
  • Head Unit
  • Main Board
  • Head USB cable (main board to head unit)
  • MCU Board
  • Power Supply Box
Troubleshooting
Step Confirmation and action YES NO
1

Check fatal error history

  • 205610 Is the HDD recognition error occurring?
 Go to step 7 Go to step 2
2

Check the Head USB cable/Harness connection

Check that the Head USB cable is not inserted backwards.

Make sure the Head USB cable/Harness is connected correctly.

  • Does the error still occurs?
 Go to step 3 End
3

Replacement of the Head USB cable/Harness

  • Does the error still occurs?
 Go to step 4 End
4

Replace the Head Unit

  • Does the error still occurs?
 Go to step 5 End
5

  • Replacement of the Main Board

    • Does the error still occurs?
 Go to step 6 End
6

  • Replacement of the MCU Board

    • Does the error still occurs?
 Go to step 7 End
7

Replace the Power Supply Box

  • Does the error persist?
 Contact Epson local service representatives. End