The audit of nitibukkhon officials found that the elevator call button stand up (external) 4 open the elevator buttons and button press the accelerator (internal) 2 button broken.
From a review of the tax authorities found that the elevator button up (external) number four button keypad and open an acceleration (a) the number 2 button defective.
Investigation of corporate officers, it was found that push button call the elevator upward (outside) the 4 button and press button to accelerate the open elevator (inside). The 2 button broken