UPVC Door Lock Mechanism Points Keep Coming out

Postby fixit9660 » Wed Jun 28, 2017 3:00 pm

I've got a UPVC door with a 5 point multipoint locking system with a "GU" logo and the numbers "6-22922" on the top and bottom lock mechanisms.
The door/mechanism locks fine. My problem is that after opening the door, if I release the handle, all the 5 locking points just slide out of
the door into the locked position, meaning I can't close the door without pulling the handle into the down position beforehand. I'm guessing
there's something broken in the centre handle/gearbox assembly but if someone could point out what to look for it would be a great help.
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