The display does not start up fully, no motor support.
Symptoms:
TFT display (color): only two dashes show in the speed field
LCD display (monochrome): only battery symbol is blinking
Meaning (both): The display only gets 12V, but the CAN communication is disabled
Note: Generally, use this opportunity to convert the bike to a Specialized display (TCD-w). See installation video on Service Website: https://player.vimeo.com/video/309870436