another rear window question!! td4 2002

having expeirenced common problem with window not opening before, removed panel from inside car manually operated door release, removed handle operating switch tested and found bad connection to lock solenoid, cleaned and put together, all works fine except when opening door window drops as it should but goes back up as soon as handle released before door closes!!! so have to pull handle up so glass drops 2" and can then be closed, have re-set ccu but fault remains any help much appreciatted..