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  This is also an important point, now through the troubleshooting is the HMI hardware problem ... View more

In order to verify, I unplugged the power supply and communication of the screen, and used remote software to do the control. There was no problem and everything was normal It was concluded that the problem was in the hardware, the HMI Device, and needed to be replaced ... View more

Thank you for reply! HMI device not mpad,Just Touch screen only The first possibility, Others operate the HMI from remote software The second,  Perhaps the HMI Runtime file is corrupted, Need Brush the HMI runtime? ... View more