1. Touchscreen Inaccuracy [ Fault Phenomenon ] A five-wire resistive touchscreen does not perform the corresponding operation correctly when touched on the display screen. [ Fault Analysis and Handling ] This phenomenon may indicate a calibration issue with the resistive screen. The screen calibration program can be run under the following circumstances: (Open the touchscreen … Read more
For smartphones, the screen is crucial! So, what if the touchscreen stops working? You tap here but it jumps there, staring at the screen in frustration but unable to operate it, and when a message from your crush comes in, you can’t reply for ages… Cold sweat drips down your forehead. Don’t worry, if your … Read more
Siemens All-Subject + TIA Portal + EPLAN Electrical Drawing Video Recordings for Sale at Low Prices! Chuangkong Education Siemens All-Subject Class Course Introduction Many people encounter situations where the touchscreen cannot be used due to faults while using it. This is mainly because the touchscreen is a relatively precise device, and due to its nature … Read more
Follow the association or click to read the original text to participate in the home appliance survey Cast your most precious vote 1. Types of LCD Screen Interfaces and Cables The LCD screen interfaces are divided into 60HZ, 120HZ, and even higher frequencies like 200HZ and 240HZ. Different frequency driver boards are required, with main … Read more
Fire Alarm System Circuit Bus Short Circuit Handling Methods When a certain circuit bus of the fire alarm system experiences a short circuit and the current between wires is too high, the controller emits sound and light alarms, while displaying a short circuit on the LCD screen in Chinese (see the image below). The printer … Read more
☞ This is the 13738th article published by Metal Processing (mw1950pub) Editor’s Note This article provides a systematic and in-depth analysis of the Profibus communication interruption faults on-site, focusing on hardware, software, and electromagnetic interference. It summarizes a set of systematic methods for quickly troubleshooting and resolving communication faults based on years of on-site experience … Read more