Faulty lock the internal mechanism could be broken.
Patio door won t lock when i turn the key.
Open the door completely and twist the lock as usual.
Someday you might come home or go to open up your business and find that your key won t turn at all not even a little.
There are several reasons this might occur.
If your patio door isn t locking repair it quickly so that your home remains safe.
Ah yes they were more helpful suggestions than mine.
Smear petroleum jelly on the lock itself and close the door gently.
As a result your patio door lock can malfunction.
How to free a stuck lock.
Upvc back door won t lock hi problem locking my back door the bolting mechanism seems to work fine ie.
The door has been realigned however even with the door open the key won t turn in the lock.
Key is hard to turn or won t go in the lock don t force the key.
Watch to make sure the lock extends from the door where the knob is positioned.
Upvc patio door won t lock key turns continually.
At right illustrations show the operation of a standard pin tumbler lock.
Hi problem locking my back door the bolting mechanism seems to work fine ie.
Key won t turn in lock i couldn t get my mail so i tried something whilst the camera was rolling and it was almost a miracle result.
When i raise the handle the 4 bolts go into.
The door has been realigned however even with the door open the key won t turn in the lock.
Open the door and check to see where the petroleum jelly has transferred to the latch on the door frame.
Thanks for the responses.
When i raise the handle the 4 bolts go into.
Attempt to turn the lock.
It s possible that there is an issue with the lock cylinder.
Upvc back door won t lock.
Debris or ice from cold weather may be causing problems with the cylinder or you might simply be using the wrong key.
Forcing it could break the key in the lock.
When you insert your key the key raises the pins to the point where the division between the top pins.