4/7/2024 0 Comments Siemens simatic hmi![]() Under normal circumstances, the indicator flashes regularly, usually flashes once every second. Check how the signal LED indicator of the touch screen blink. ① the surface of the touch screen has accumulated with thick dust or scale, which affects signal transmission.ġ. This happens for many reasons, please check below: While cleaning the screen, remember to cut off the power supply to avoid damage.įailure 3: the touch screen is not responsive Particularly the acoustic reflection stripes on the edges of the touchscreen. The position touched by the finger does not coincide with the cursor.Ĭause: After the driver has been installed, when calibrating the position, you didn’t touch the center point vertically.įailure 2: Part of the touch area doesn’t respond inconsistentlyĬause: The surface of the touch screen has accumulated with thick dust or scale, which affects signal transmission. The common HMI touch screen failures are as below:įailure 1. ![]() You can troubleshoot the problems by yourself with the help of these solutions. Therefore, to learn the causes and solutions for common HMI touch screen failures is very important. This may also delay the entire development progress. If you are an inexperienced GUI engineer, once there’s a failure for the HMI touch screen, you may feel helpless.
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