The door does open with the garage door opener but does not close with the same.
Hold the button on the wall control in and see if the door closes. If it does the problem is in the door sensors. If one or both led's is off, replace the sensors. If either led is blinking, the sensors are misaligned. If neither led is on, the problem is in the wiring to the sensors. (It is either broken or shorted by a staple). It can also be a problem with the logic board. You need to check the voltage at the sensors; it should be 4-5 volts dc. If you don't have the voltage, remove the sensor wires from the terminals on the logic board (in the motor unit). Read the voltage across terminals 2 and 3, if it is not 4-5 volts dc the logic board is bad. If you have 4-5 volts dc between terminals 2 and 3, the problem is in the wiring to the door sensors. Probably a staple cutting into the wires.
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