At least for Z83-4 box: (check this)
https://theminixforum.com/index.php?threads/what-do-the-colors-of-the-led-light-stand-for.21/
Z83-4 plus :
https://theminixforum.com/index.php?threads/product-sheets.979/
Try this:
New power supply with 12V/3A
Please contact our customer support email - support@minix.com.hk - we'll then help fulfill the warranty.I have tried using a power supply with another 12V/3A and have tested it on another minix. but the LED indicator stays red.
Are there other solutions ?