Louis Haunted House 3 how to get out after getting the vacuum cleaner?

In the role-playing game "Luigi Haunted House 3", after you get the vacuum cleaner, you should open the door with a flashlight. In the game, after you get the vacuum cleaner, you can't get on the elevator when you go out at the right terminal. You can open the door directly with the flashlight on the right. Spray ZL+ZR on the stairs and knock on the iron drum in the way to the hall.

Background settings:

Luigi Pavilion 3 is the third work in the Luigi Pavilion series. In the game, the player will become Luigi. In order to rescue Mario and his party trapped in the painting by the shy ghost king, players will launch a thrilling adventure in the "Ghost Hotel". Luigi and his party were invited to a luxury hotel, but the hotel they arrived at turned out to be a trap set by the boss of the "shy ghost king" super fan.

When Luigi dozed off in the hotel, Mario, Princess Peach Blossom and Toad were taken away and trapped in the painting. In order to save his companions, a little timid Luigi picked up the new "ghost vacuum cleaner" invented by "Hey Doctor" and started a new adventure in the wonderful floor "Ghost Hotel".