When the touch screen failure, you should first check whether the control card power supply is normal, Windows driver is normally installed, and then check whether the completion of the Windows touch screen calibration, "TouchscreenControl" in the parameters are correct, but also need to check the serial port is normal and the serial cable. The serial port is normal and the serial cable is connected properly.
One, use a period of time after the touch unresponsive
Touch screen, after powering on the normal use of a period of time will be unresponsive. Touch screen failure analysis and treatment is divided into the following three cases:
1) some applications, due to poor grounding performance, because the control box shell is covered with a large number of electrostatic discharge, thereby affecting the control box inside the work of the electric field, resulting in a gradual failure of the touch. At this time with a wire to ground the control box shell, restart can be.
2) As the surface acoustic wave touch screen work in the surface of the touch screen is covered with sound waves, if the long term does not wipe the touch screen, resulting in excessive accumulation of dust, blocking the wave reflection streaks, will cause the touch screen can not work properly. For touch monitors can be clean business cards or banknotes through the front cover of the monitor and the gap between the industrial touch screen gently will be surrounded by reflective stripes on the dust wiped away, and then start a new computer. For touch all-in-one can open the front cover of the monitor, with a clean towel will be surrounded by reflective stripes on the dust wiped away, and then restart the computer.
3) Many touch all-in-one touch screen control box from the all-in-one power supply rather than from the host to draw power, so you should also check the all-in-one power supply 5V output is correct, and sometimes the instantaneous current is too large, resulting in the fuse is burned, this time you need to replace the fuse.
Two, the touch screen local non-response
Touch screen, touch the monitor screen with a finger, the local local non-response. Touch screen localized non-responsive fault analysis and treatment: may be a touch screen reflective stripes are covered locally, a dry soft cloth can be used to wipe clean. It is also possible that the touch screen reflective stripes localized by hard objects scraped off, will not be able to repair.
Touch screen touch failure how to do (tell you some common faults and overhaul methods) (1)
Three, the touch screen is normal, but the computer can not be operated
Touch screen, the test itself, everything is normal, but connected to the host computer can not be operated. Touch screen is normal but the computer can not operate fault analysis and treatment: may be in the host start loading touch screen driver before the touch screen control card to receive the operating signal, just re-power off, and then start the computer can be. It is also possible that the touch screen driver version is too low, you need to install the latest driver.
Four, the touch screen response time is very long
Touch screen, touch the monitor screen with a finger, it takes a long time to respond. Touch screen response time is very long fault analysis and treatment: may be the touch screen on the sticky mobile water droplets, just use a dry soft cloth to wipe can be. There may also be host grade is too low, such as the clock frequency is too low, such as belonging to this situation, it is best to replace the host.
Fifth, the first start touch screen does not respond
Install the driver after the first start touch screen does not respond, a touch screen, install the driver after the first start touch screen does not respond. Touch screen failure analysis and treatment: first confirm whether the touch screen line connection is correct, such as incorrect, should be shut down after the correct connection of all lines. Then check whether there are devices in the host and serial port resource conflicts, check the hardware devices and adjust them.
Six, the touch screen does not respond
The touch screen can not work, touch any part of the non-response. Touch screen does not respond to fault analysis and treatment: first check whether the wiring interface is loose, and then check whether the serial port and interrupt number is a conflict, if there is a conflict, you should adjust the resources to avoid conflict. Then check whether the touch screen surface cracks, if any should be replaced in a timely manner. Check whether there is dust and dirt on the surface of the touch screen, if so, use a soft cloth to remove it. Check whether the indicator light on the control box is working normally, when normal, the indicator light is green and flashing. If the above parts are normal, can be replaced to check the touch screen, first replace the control box, then replace the industrial touch screen, and finally replace the host.
The above is a small excellent for you to organize the common faults of the touch screen and overhaul methods, I hope to help you, UE vision is a collection of research and development, design, production, sales and service as one of the high-tech enterprises, focusing on industrial display, industrial touch screen and optical lamination products R & D and manufacturing, the products are widely used in medical equipment, industrial handheld terminals, Internet of Things terminals and the Smart Home. In the industrial display, industrial touch screen, and full lamination has a wealth of R & D, manufacturing experience, belong to the industrial control display industry leader.