Theo, how is the elevator set to prohibit opening the door?

1. Open the elevator access panel: the panel needs to be opened with special tools, so as to ensure access rights and know how to open the panel.

2. Connect the access control circuit: in the access control panel, find the access control circuit, lead out the signal line that prohibits opening the door from the access control panel and connect it to the access control circuit.

3. Set the access controller: enter the controller program and design the program according to the instructions of the controller.

4. Testing and debugging: After setting, test and debug.