I found that the mesh vent strips that sit INSIDE the bottom door aperture (not the door itself) were clogged and causing safety cutout. It's apparently not enough to clean by vacuuming or just removing the 'fluffy-stuff' with your fingers. I washed them in water and reinstalled them...
I am calling out for support as I am now at a dead end.
I have issues with my tumbledryer stopping after a minute or two, then it swithes into cold air programme and starts beeping.
Service mode tells me:
Long blinking in 'drying' and short blinks in 'cold air' approx twice as...