The reason why one of the doors did open was because you had space aids in your neck.
Warframe open locked door on earth.
Upon approaching a locked locker with a red light the mod automatically tries to make it unlockable.
There is a hole on the left side where you are facing.
What is behind the infested door.
This is where sabotage caches sometimes are located.
In this video i found all the rooms while playing capture or exterminate but i ve also seen them load in on other mission types.
I also found a 10th locked.
If successful the locker will shimmer with a blue light accompanied by a brief hissing sound after which the locker s lights will turn to green or white depending on the faction signifying that it can now be opened.
You have to land on the tiny tiny ledge and slide inside.
You must have sat on the chair which cured your warframe forever.
Red locked doors with a grineer cache inside ignore this is so frustrating i couldn t open the red door and on top of that i heard a high pitched whiny noise inside along with the item icon on my map saying it was there.
Second dream and chains of harrow.
Inside there is a console to get the door open.