Hitachi IJ UX Service Manual page 290

6.5.15 System Error
*) This alarm is displayed when download failed.
System Error **
Insert the system-data USB memory and
turn on the power switch.
Does the fault restore?
Make a system-data USB memory again.
Insert the new system-data USB memory
and turn on the power switch to restore.
Does the fault restore?
Replace the EZJ128 board
Yes
No
Yes
No
6-72
Resume the
operation