Hitachi UX Twin Nozzle Service Manual page 340

6.5.15 System Error
*) This alarm is displayed when download failed.
System Error **
Insert the system-data USB memory and
turn the power switch ON.
Is the fault restored?
Make a system-data USB memory again.
Insert the new system-data USB memory
and turn the power switch ON.
Is the fault restored?
Replace the EZJ128 board.*2
Is the fault restored?
Replace the EZJ133 board.*1
Yes
No
Yes
No
Yes
No
6-98
(*1): When you replace EZJ133 board, refer
to [Replacement procedures of EZJ133
board] in "3.3.1 EZJ133 board (MPU
board)".
(*2): When you replace EZJ 128 board, refer
to [Replacement procedures of EZJ128
board] in "3.2.1
(controller board)".
[Caution]
Be sure to check that there is no wrong
connection of harnesses by referring to
[Connector numbers and Identifying method
of harnesses] in "3.3.20 Electrical Connection
Diagram".
Resume the
operation
Resume the
operation
EZJ128 board