Follow these steps to check USB connections to the arm board (located inside the tower on the lower left wall)
Check that all assembly related cables are connected. If any connection is corrected at any point, restart the system.
Check the USB Cable connection to the PC.
Turn off and unplug power to the Glambot®. Leave unplugged for at least 2 minutes to reset the power board.
If the error persists, remove the front cover, turn power on to the system and check the status lights:
If the error persists, one or more of the USB ports on the PC may have been damaged during assembly or disassembly. Try using a USB multiport hub to connect the two usb cables to the mini PC.

