What s the reason for the U displayed in the passenger elevator?

In this case, it is usually an emergency call, so it is important to pay attention to this aspect so that you can achieve a safe and good situation.

The call in the passenger elevator shows "U", the signal of the opening and closing door is in place, and the door is opened in place, and the signal is not in place to the controller.

Someone must have clicked on the emergency call in the passenger elevator, so the U will be displayed.

After a long time, the waiting period should be automatically eliminated, mainly now to see if the use of the passenger elevator is normal.

This doesn't seem to be a glitch! This is an additional feature of the elevator! (In order to prevent some people from entering the elevator, all the buttons are pressed and he is the only guest in the elevator).

If the elevator screen shows a fault, it needs to be repaired by professionals to maintain the safety of the elevator.

If there is a call display in the passenger elevator, it means that the passenger elevator is faulty and needs to find a professional maintenance worker for maintenance.

What's going on with the living room to show the advantages that there is a possibility of a failure And then you have to check the line engineering after that.

Regarding the subject class display, this again, it may be that the elevator is out of order, specifically. You can ask the staff of the elevator, or call the maintenance ** above to consult.

I feel that the letter U is displayed in the passenger elevator, which should be an abnormality in the internal control circuit board.

Hello, there may be a problem with the elevator shaft. Call the after-sales customer service, and they will deal with it as soon as possible.

The passenger elevator shows what's going on, and there will be one on the top.

If this character appears, it may be that one of your elevators is broken, so be sure to ask their maintenance personnel to repair it in time.

In English, it means you, it should be you calling. Call you and so on.

This shows that this may be a fault, you can also consult the after-sales service.