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DIAGNOSTICS
Miscellaneous errors
Cubiscan 325 Service Manual
1 1
Touchscreen is not functioning
Complete the following steps if the touchscreen is frozen, behaving erratically, or responding
poorly.
1. Reboot the Cubiscan 325.
2. Make sure the display cable is securely plugged in at both ends.
3. Is the touchscreen surface damaged? If the touchscreen is damaged, you may require a
replacement part. Contact Cubiscan Technical Assistance at 801.451.7000 to obtain a
replacement part.
4. Calibrate the touchscreen.
5. Temporarily remove the SD card. For instructions on how to remove the SD card, see
“Updating the Firmware” on page 19
. You may not need to update the firmware, first try
simply removing the card for a moment. If doing this does not correct the problem, continue
on to step 6 below.
6. Update the firmware using the serial method. For information on how to do this, see
“Updating firmware via a serial connection” on page 20
.
7. Check the touchscreen to circuit board wires. If any of these wires are damaged or pinched
you may need a replacement touchscreen. Refer to Figure 4 below.
8. If, after completing the above steps, the touchscreen is still not responding, please contact
Cubiscan Technical Assistance at 801.451.7000.
Figure 4
Touchscreen cables
Cables