When you insert your key the key raises the pins to the point where the division between the top pins.
Patio door won t lock when i turn the key.
At right illustrations show the operation of a standard pin tumbler lock.
There are several reasons this might occur.
Attempt to turn the lock.
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.
Watch to make sure the lock extends from the door where the knob is positioned.
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.
Faulty lock the internal mechanism could be broken.
Hi problem locking my back door the bolting mechanism seems to work fine ie.
It s possible that there is an issue with the lock cylinder.
Key is hard to turn or won t go in the lock don t force the key.
Upvc back door won t lock.
Upvc patio door won t lock key turns continually.
When i raise the handle the 4 bolts go into.
Smear petroleum jelly on the lock itself and close the door gently.
If your patio door isn t locking repair it quickly so that your home remains safe.
As a result your patio door lock can malfunction.
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.
Forcing it could break the key in the lock.
Patio doors lead to the outside and have to withstand all kinds of abuse from the weather doors being slammed and being hit with flying objects.
The door has been realigned however even with the door open the key won t turn in the lock.
When upvc patio door.
Open the door completely and twist the lock as usual.
Its only when i couldn t pull the handle up to lock our back door i actually realised that the altough the door appeared closed the trim wasn t allowing it to close properly which in turn meant the door handle couldn t be pulled up to allow the door to lock.
When i raise the handle the 4 bolts go into.
Thanks for the responses.
Upvc back door won t lock hi problem locking my back door the bolting mechanism seems to work fine ie.