Touch screen didn't have problem right after installation, but the touch screen display was faded out after printing several round with failure. Right now, the touch screen display was on but only showed about a second when switched on and it faded out afterward. Nothing wrong to the cabling as I have cross checked again. What can I do and how can I identify the problem?
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Finally I got the problem solved. It's due to the reinstall of the touch screen firmware. The screen was off in the middle of uploading the firmware. I then presumed that it was a defect n then turnt the machine off. Then the screen was faded out while turning on the machine again.
I just tried to reinstall the touch screen firmware again n waited patiently. It then returned to normal.
Have tried to disconnect all the endstops and filament sensor, wiring, the problem is still persisted. The screen lighted up a while n then faded out.
What can I do?
The screen worked fine in the very beginning and I have tried to print for several rounds on the same day. Although the printout were not successful but the screen was fine. Just tried to print for the fourth or fifth round (I didn't remember the no of times), the screen started to fade out suddenly. Also, the fade out time became shorter after turning on/off the machine several times. Right now, the screen is faded out immediately once turned on.
I have crossed check the wiring, no problem at all. Also, the main voltage of the power supply was correct.
Please advise what I can do next?
The screen fading out like that indicates an issue with the power supply or incorrect wiring causing a voltage drop. Double check all of your wiring (especially endstops and filament sensors). Check the wiring from the switch to the power supply also.
The power supply has a switch on the side of it that should be set to your local mains voltage, double check it is set correctly too.