The striker fails to penetrate into the door jamb because the door.
Sorry door doesnt lock.
A fuse is blown.
Tighten the hinge screws and then try adjusting the strike plate by loosening its screws and shifting it slightly.
If it comes out watch to see whether it connects with the lock catch in the door frame.
The solutions and severity of this issue will differ depending on what type of lock it is.
Repairs range from making minor latch adjustments to repositioning the door.
Door lock doesn t latch properly.
Door lock stuck in open position.
It it doesn t check to be sure the door is properly aligned.
The solenoid is bad.
Open the patio door very slightly and turn the lock.
Door lock problems that are a result of debris jamming up the keyway should not be ignored because they can potentially result in more problems like breaking a key in a lock.
How to fix a door that will not lock.
If one door doesn t work but others do the problem could be a blown fuse.
You might need to prop the door up and tighten its connection to the door frame.
Replacing the fuse will correct the problem.
Door locking problems almost always originate in the door latch not the locking mechanism.
Again if one door doesn t work but others do the problem could be with the door lock solenoid.
Replacing it may require removing the car door panel.
With your door lock stuck in unlocked the position your home can be made vulnerable.
The most pressing will be when your deadbolt door lock is stuck in the open position because your deadbolt provides the real security.