42
open and close the door .
The light will flash.
Number
8
flashing
The door cannot move.
The light will flash.
Low power
voltage supply
Have the logic board replaced.
Number
3
flashing
The door cannot move.
The light will flash.
Bad logic board Have the logic board replaced.
Number
2
flashing
The door cannot move.
The light will flash.
Obstruction
during the door
movement.
1. Remove the obstruction, or contact a trained
garage door technician.
2. If the door moves okay, reprogram the travel
limits.
flashing
The door cannot move.
The light will flash.