Once you determine only one door has a problem opening you can try opening the door from the inside.
Auto door opening mechanism.
Commercial door closer fs 7600 adjustable grade 1 commercial standard automatic door closing mechanism ada compliant aluminium finish medium traffic areas fitting instructions ul listed 4 5 out of 5 stars 81.
Door handles can be found on all types of doors including exterior doors of residential and commercial buildings internal doors cupboard doors and vehicle doors.
Automatic sliding door mechanism includinig motor transmisson beam hanger belt pulley end stop etc we are china automatic sliding door mechanism manufacturer produce all kinds of power sliding door mechanism.
Sometimes opening the door from inside will free the door mechanism and allow it to work properly.
A door handle or doorknob is a handle used to open or close a door.
Operating the tubular latch mechanism inside the door allowing it to be opened.
If you think this is the case try opening.
Try to open the door from the inside.
For example motion sensors do their job of triggering the opening mechanism as soon as they sense or see motion in front of the doors but if the individual is moving too slowly or standing still near the doors the pressure sensors can detect the weight of the individual and prevent the doors from closing until the weight is relieved i.
Car door handles may.
Or maybe it was just the mechanism s time.