No power on display

Dishwasher Repair
1

Brand:bosch
Model Number:SHPM65W55N/01
Main Symptom:NO DISPLAY POWER
What happens & when:NOT DRAINING CODE WHEN I REMOVED THE FRONT COVER TO CHK THE IMPELER ON THE PUMP AND THEN PUT BACK TOGETHER NO POWER ON THE DISPLAY

Error Code (if any):
Parts or tests already tried:
Photos / video link:

2

If there is no power on the display, double check connections to the display board and the wiring between the display board and the main control board at the bottom of the unit.