Touch Screen Issues

Problem: The touch screen doesn’t turn on up after applying 115/230VAC.

Solution: Open the Trio door and:                    

1. Check main 115/230VAC 3A fuse F2.

• If required, replace the fuse.

2. Check the 12V terminal voltage (COM & 12V).

• If there is no voltage, there is a problem with the Switched Power Supply. Replace the power supply. 

3. Verify that the 5V and 3.3V indicative LEDs of the I/O power board are lit.

4. Verify that the flat cable connecting the I/O board and the display board is in place.

5. Verify that the Green Status LED is flashing.

6. On the Trio display board, verify that the:

• RED Status LED is flashing.
• Display’s flat cable is firmly hooked up to its connector.

Problem: The display screen appears but does not respond to any touch.

Solution: Check the USB cable between the touch screen card and the Trio display card.