If this works the issue may be with the external door handle.
Auto door opening mechanism.
A door handle or doorknob is a handle used to open or close a door.
Common electric lock can not delay the tramsmission of door open signal and lock open signals are transmitted by at the same time.
Car door handles may.
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.
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.
Try to open the door from the inside.
Or maybe it was just the mechanism s time.
Sometimes opening the door from inside will free the door mechanism and allow it to work properly.
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.
If you think this is the case try opening.
Once you determine only one door has a problem opening you can try opening the door from the inside.