Hitachi UX Twin Nozzle - Firmware Download Failure

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6.5.21 Firmware download failure
Do the system reset by rescue soft.
Download is complete
properly?
Replace the EZJ133 board. *1
Internal communication
error occurred?
Firmware
download failure
Download is restart?
Insert the system USB to USB slot then turn the power ON.
Yes
No
END
Download is complete
properly?
No
Yes
Yes
No
Yes
No
(*1): When you replace EZJ133 board, refer to [Replacement procedures of EZJ133 board] in “3.3.1 EZJ133 board (MPU
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”.