On 17/04/2019 14:42, DerbyBorn wrote:
I had a similar problem and eventually got the door to open by lifting it
within its frame. It seemed to progressively allow the rollers to clear
their slots. I really can't remember what the fault had been but I fixed it
prefectly with a new locking strip mechanism for the edge of the door.
About £20 off e-bay.


Did you just grab hold of the door and lift, or did you lever it up from
underneath?