If it s not in this position lift the handle and push it.
Composite door handle wont lift to lock.
By turning the key in the cylinder whether from the inside or the outside you are locking those hook bolts into the positions you can see above.
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How to remove false mullion from a upvc door and fix a broken handle.
Patio house french doors and then.
Cold weather upvc door lock won t lock or shut properly.
When the door is closed and you lift up the handle the hook bolts are thrown into their keeps in the doorframe.
The second reason why a upvc handle wont lift to lock the door is caused by a broken gearbox.
But that should be all.
Hot warm weather upvc door lock won t lock or close.
If it s the lock that s the problem.
Upvc door gearbox this is is the part of the locking mechanism which operates all the hooks bolts and rollers on the multi point strip.
On the long edge of your door about level with the handle you should see a small plastic switch that should be pushed down.
Cold and freezing weather will cause a upvc door to not lock or close properly this is due to contraction of the upvc the shrinking can only be 1mm o r 2mm but is enough to stop your door from locking.
The reason for this is simple the door is not in line with the frame.
If it is stiff to lift then eventually the lock is going to break.
If your upvc door handle won t lift up to lock the door this is a problem locksmiths deal with on a daily basis easy to fix for a locksmith specialising in upvc door lock repairs.
Now you need to close the door and lift the handle this should also be smooth perhaps a little resistance as the door compresses against the seals.