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TPC-2230 - black screen - orange/blue light

Hi

 

Our company uses HMI TPC-2230 6 inch, we have many screens with the same defect after 4 to 5 years of operation ! (year of manufacture 2018/2019)Isue : 

Issue : Black screen & blue led (after a restart of the power supply the LED changes from orange to blue)

There is clearly a manufacturing defect but NI is not collaborating to help us to fix them

 

If anyone has any tips or ideas to help us, it would be great.

 

Thanks in advance

Regards

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