The latch will not retract even when the knob is turned.
How to fix a stuck front door lock.
The door latch is not extended before rotating the knob.
1 loosen the setscrew on the knob s shank.
If you break off a screw head or strip it use an inexpensive device called a screw extractor to remove it.
A latch bolt that sticks in the strike often leave tell tale.
Release the button quickly try sliding your finger off the button so the pressure is maintained up until the precise moment of release with no backing off.
Spray the entire mechanism with spray lubricant and wait for at least 10 minutes before you reinstall it.
Troubleshooting a stuck door latch.
You may want to spray wd40 or other lubricant on the lock mechanism.
Open the door wide and put on a pair of safety glasses to protect your eyes.
If the gap between the door and jamb is angled then the door isn t square.
Equip a rotary tool with a carbide tip bit.
Place the end of the straw into the opening of the lock where you normally insert your key.
Filing the strike 1.
A door knob lock button stuck has a few quick fixes that you can try out.
To take yours out just use your phillips screw driver again to take out the two screws in the face plate.
Inspect the strike plate on the edge of the door frame.
The knob will not turn to retract the stuck door latch.
Take note of the type of resistance.
Insert the straw into the opening of the lock.
Start by cutting the tube of powdered graphite at an angle and covering the ground under the door with paper towels to catch extra graphite.
You can tighten a simple interior mortise lockset like the one shown at left as follows.
Adjust the hinges so that the door is straight.
Start by trying to push the lock button.
In most cases the problem is now fixed.
Guide the straw as far in as you can to make sure you re hitting every part of the locking mechanism that might be sticking with the wd 40.
Now go to the hardware store and buy you a new dead latch.
Then press the opening of the tube in the lock.
Tighten the screws that go into the door and the screws that go into the door frame.
Push and hold the button in.
Sometimes the cause of a stuck deadbolt is a misaligned or out of square door.
Do not over tighten the screws or you may strip break them.
If this works then you can open the door and it s time to replace the dead latch.
2 hold the knob on the other side of the door and turn the loose knob clockwise until it fits snugly.
Try to open the door while it is shut.