The edge of the bag is dirty (inside and out).
Fold the edges of the vacuum sealing bag outwards for filling. This will give you a clean, perfect weld seam.
The seal was not strong enough and has opened.
Fold the edges of the vacuum sealing bag outwards for filling. This will give you a clean, perfect weld seam.
Position the bag smoothly and without creases along the sealing bar.
Start the vacuum sealing process again with a new vacuum sealing bag and select a higher sealing level.
Flatten the rubber.
Please contact the Miele Customer Service Department.