Once the lock is off the door you can see what kind of problem it is.
Lever door handle wont lock.
Once the door is open try to actuate the door latch with the handle.
More force is needed to turn the knob and unstick the latch.
I had that problem.
Lubricate the inside of the mechanism if the lock still does not function.
This is the short version of what you should attempt to do before trying anything else if the screw is loose the key will not turn all the way and the tur.
It will come in two pieces.
Leave the striker bolt in place.
At this point if the damage is too bad you may have to replace the entire lock or consult a locksmith.
The lock can then be dislodged from the door.
This allowed me access to the bolt mec.
Tug on the knob with the screwdriver still inserted in the hole.
Being a lever handle versus a knob was irrelevant i removed the handles by removing the screws on the interior side removing the interior handle then removing the exterior mechanism.
The door latch is not extended before rotating the knob.
Remove the two screws one on either side of the handle and remove the knob.
The handle or knob must be jiggled to unstick the latch.
If there is too much debris obstructing the levers from the bit key simply clean the levers in the.
Check to see that the door striker the spring loaded bolt that latches the door pushes in and springs back easily.
Inspect the shank of the doorknob for a small hole or indentation.
Slide the end of a small screwdriver into the hole in the shank.
Step 3 determine the problem.
How to fix a push button door knob that won t lock step 1.