My vs01 wet sealing do not vacuum, but go straight to sealing

My vs01 vacuum sealer all of a sudden stop wet sealing, it will start the vacuum for about 2 second and then start to seal.

Do you mean it doesn’t fully vacuum before it starts to seal?
Please check if there is a lot of moisture in the bag? If the moisture sticks to the bag and the air cannot be discharged, the machine may determine that the air has been exhausted.
If possible, please provide order information and a problem video to