Solution: After update, recalibrate: System Menu > Touch Panel Calibration. Use a stylus, not your finger, for precision.
Solution: The internal memory chip may have bad sectors. Try the update three times. If it fails consistently, your HMI may need a replacement memory IC – a job for a specialist. Xbt L1000 V4 51 Download
Despite careful steps, users often encounter problems. Here are the top five and how to solve them. Solution: After update, recalibrate: System Menu > Touch
