Step 2 lift the handle.
Multi lock door wont lock.
Upvc gearbox failure or multipoint lock damage.
How to free a stuck lock.
This problem with the multi point locking system can develop over time until the lock suddenly stops working.
On doors where there is a multi point locking system this can be a sign that the system has been worked too hard.
It can also indicate the cam has become worn.
If you can t get the bottom hook up by sliding something in and pushing up then the teeth or a slipped cog is in the way and your probably not going too.
If your upvc door won t lock even when still open this is usually because of the following reasons.
Mul t lock is the worldwide leader in developing manufacturing and marketing high security products and access control solutions.
Have you had a new cylinder fitted.
A slip of a cog or a broken spring maybe.
Warping if the door cannot physically lock due to the frame or door being warped an adjustment of the strike plate could rectify the problem without the need of a new lock.
Key will not work if you ve had a new spare key cut recently it could be a poorly cut key causing the problem.
Lift the handle turn and remove the key step 1 close the door.
Upvc door won t lock even when open.
This is the kind of door hardware that runs the entire span of the door frame and engage.
Multipoint lock is damaged.
Door lubrication is required.
This is the first time i ve ever worked on a multipoint lock system.
Upvc gearbox failure most common.