airships-riddler-trophy-location

3. Under the foyer. Tilt the airship to move the boxes, then use the Remote Electrical Discharge on the generator to open the door.
3. Under the foyer. Tilt the airship to move the boxes, then use the Remote Electrical Discharge on the generator to open the door.
How many times am I supposed to shoot the gate with the electrical charge? I’ve watched videos of people shooting once and it opens why am I shoot the thing a million times and the only thing that happens is two of three white lights turn on for a second! Help please