Dear friends,
Greeting to you all, please friends, this problem of program loading for km 3050/4050/5050 is driving me crazy here in my country,i try to update the firmware but the machine is not responding, the memory indicator will not indicate, i change the hard disk and still the same.in fact i don't know what to do again please i need help if any of you have come across the problem.no error code display, only PROGRAM LOADING will display on display panel. help me out please.
thank
quitech
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