ALFA fresh Manual De Instrucciones página 20

6. To ensure there is no air leaking between the cover and the
canister, use your hand to push down the cover Knob at the
beginning of the vacuuming work. The machine will stop
automatically when enough vacuum pressure is achieved.
7. Please press the canister cover steady when you pull off the
hose accessory.
Open Canister after vacuum packaging
In order to open the canister, you need to release the air first by
turning the knob switch from "SELLADO" to the position of "open"。
Note:
1. Make sure the knob of canister cover is turned to SEAL position
before vacuuming the canister.
2. At the beginning of the vacuum packaging in a canister, slightly press
down the canister cover or on the hose adaptor to ensure no loose of the
hose and to avoid air leaking through the gap between the cover and the
canister top rim for a few seconds.
3. To test vacuum, simply tug on the cover. It shall not move;
IV. Cord storage box
When not use the machine, put the power cord into the storage
apartment which is in the back of the machine. Do not wrap the cord
around the appliance.
Storing Your Vacuum Sealer:
1. Keep the unit in a flat and safe place, out of the reach of children.
2. Do remember to make sure the lid of appliance is unlocked when
not in use and in storage. Keep the cover locked will distort the foam
gaskets causing leaking.