3.2.3 - Screen does not respond
When pressing the touchscreen and it does not respond, to solve this problem, perform first a screen
calibration.
If the display has a protective plastic it is better to remove it and carry out the process without it. The
plastic is only to protect the screen during the manufacture process of the equipment.
To start the calibration process, turn the device off and presswith a finger in the center of the screen.
Keeping pressed switch on the machine and wait until the next image appears.
Calibration start screen
Click on the
“plus” signs that appear on the screen, using a pencil or some Sharp stick for higher
accuracy in terms of calibration.
First step (upper left corner) Second step (center) Third step (lower right corner)
3
“plus” signs will appear, first in the upper left corner, in the center and in the bottom right corner.
Once finished, the software will be loaded. Repeat the procedure if the display does not respond well.
If the problem still persists, replace the display block.
Summary of Contents for Cooltech
Page 1: ...Cooltech SERVICE MANUAL Service Manual Cooltech V1 1 ...
Page 5: ... A4 01454 x2 A4 01453 A4 01454 A4 01455 A4 01455 A4 01455 x2 x2 x2 ...
Page 7: ...Packing layout A4 02266 A4 01389 x2 A4 01591 A4 01391 A4 01415 ...
Page 8: ......
Page 12: ...1 1 2 Vacuum system ...
Page 37: ...Power supply mounting screws For better access to the screws ...
Page 50: ...Power supply screws For better access to the screws ...