If the latch assembly is working just fine but the door is still stuck try squirting a little bit of all purpose lubricant between the door and the frame.
Front door lock jammed shut.
Take the handles knobs off of the door.
Soak your door lock in kerosene for 24 hours if it isn t attached to a door and has been rusted shut.
Check the alignment of the deadbolt against the strike on the jamb if the lock is difficult to turn when the door is closed or the door doesn t lock at all.
Remove the handles including the thru spindle.
Pull the spindle from the center of the latch if applicable.
Thread the screwdriver through the large spindle.
Troubleshooting a stuck door latch try to open the door while it is shut.
Take note of the type of resistance.
The latch will not retract even when the knob is turned.
Door lock doesn t latch properly when a door latch doesn t click into position it usually means the latch and the strike plate are out of alignment.
Use a file to widen the hole on the strike or remove the strike with a screwdriver and reposition it on the jamb.
Repairs range from making minor latch adjustments to repositioning the door.
Use a tool a flathead screwdriver will work to twist within the gap the thru spindle inserts into.
In this video i attempt to open a patio door that has got stuck locked.
You can slide the key into the lock lightly so that the lubricant can get inside the lock properly.
Wet lubricant tends to gum up the locks.
Use the screwdriver to push the opposite side of the doorknob from the door and latch.
Remove the cover or faceplate of your mortise lock or surface mounted rim lock to repair it.
Make sure the lock is unlocked before you do this.
Tighten the hinge screws and then try adjusting the strike plate by loosening its screws and shifting it slightly.
If it is you will have to remove the doorknob assembly remove the hinges and wiggle the entire door out of its frame.
You should start by spraying the lubricant simply on the door key.
The latch will not retract even when the knob is turned.
First off you re going to have to take the door handle off.
If the door lock gets jammed first you should use graphite based lubricant rather than using wet lubricant.
The knob will not turn to retract the stuck.
To fix the door knob figure out where the connections have gone awry.
The mechanics of the lock have broken leaving the top section of the door completely.