That door by default is assigned the blastdoor.lua script located in the scriptbank/scifi folder.
The script is looking for a password to be entered to allow the player to open the door.
door.lua is a stock script located in the scriptbank folder. This script will allow you to assign a key or not assign a key to access the door.
You can assign this script in the properties panel of the door object you are using.
See if that will allow you to access the door.
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2400 Mhz, 4 Core(s), 4 Logical Processor(s), 8gb RAM, Nvidia gtx660, Windows 7 Pro 64bit, Screen resolution 1680 x 1050.
