This problem with the multi point locking system can develop over time until the lock suddenly stops working.
Problems with 3 point lock doors.
Trouble turning the key if you have trouble turning the key in your door or the key is stuck then it could indicate that the locking system has completely failed.
Over time the sheer weight of the door on its hinges can cause it to come out of alignment and when this happens it can become difficult to activate the multipoint locking mechanism and the door will no longer close or lock properly.
Furthermore having a loose door lock in place can potentially be a fire hazard when it is being used as a fire door lock.
All doors have some sort of latching mechanism to hold the door tight against the weather strip for a good seal and a lock to provide security.
I don t believe there s an automated lock solution for a 3 point lock storm door since it s a bit more complex than a deadbolt so aside from that i m trying to figure out if there s a way to report the status of the existing lock.
At this point it is advisable to contact a local locksmith who specialises in upvc door repair so they can adjust your upvc door.
To lock the doors you pull up on the passive door handle then pull up on the active door handle then you can turn the latch for the deadbolt.
58 3 of home break ins are forcible entry and if your door locks are loose it becomes much easier for burglars to exploit your door lock problems.
Cylindrical mortise and multi point.