Hitachi IJ UX - Page 284

6-66
6.5.9
Freeze of display
*) “Freeze of display” means that the touch screen does not operate
without any error message when the screen is touched.
Does the screen operate
normally?
Freeze of display
Yes
No
Resume the
operation
Turn off and on the power
switch.
No
Does the screen operate
normally?
Yes
Disconnect and reconnect the
CN6 of EZJ128 board.
Download the latest software
No
Does the screen operate
normally?
Yes
Disconnect and reconnect the
CN1 of EZJ126 board and
CN1 of EZJ128 board
No
Does the screen operate
normally?
Yes
No
Does the screen operate
normally?
Yes
Replace the touch panel
No
Does the screen operate
normally?
Yes
Replace EZJ128 board.
Replace EZJ126 board.