Hitachi UX Twin Nozzle - Page 333

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6.5.9 Freeze of display
*) “Freeze of display” means the condition that the touch screen
operation is not available without error message indication.
Can the touch screen be
operated normally?
Freeze of display
Yes
No
Resume the
operation
Turn OFF and ON the power
switch.
No
Can the touch screen be
operated normally?
Yes
Remove CN6 of EZJ128 board
once and reconnect it.
Download the latest software
No
Can the touch screen be
operated normally?
Yes
Remove CN1 of EZJ133 board
and CN1 of EZJ128 board once
and reconnect those connectors.
No
Can the touch screen be
operated normally?
Yes
No
Can the touch screen be
operated normally?
Yes
Replace the touch panel
No
Can the touch screen be
operated normally?
Yes
Replace EZJ133 board.*1
Replace EZJ128 board.*2
(*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 EZJ128 board
(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”.