for Using Vaakas Vacuum Sealer: 1:Do not overfill the bag.Always leave at least 6-8cm between bag contents and top of the bag. 2:Make sure the bag is dry,it will be difficult to make a tight seal if the bag is wet. 3:For best results,perishables still need to be frozen or refrigerated after vacuum sealing process. 4:Clean the opening end of the bag inside and outside.Flattern the bag opening. 5:When vacuum packaging a large item,to prevent wrinkles in the seal,gently stretch bag flat before placing it into the vacuum chamber. 6:When you are vacuum sealing items with sharp edges(such as dry spaghetti,silverware,etc.),protect the bag from punctures by wrapping the item in soft cushioning material,such as a paper towel.you may use a canister instead of a bag. 7:When using canisters,always leave 2.5cm/1 in of space at the top of canister. 8:Allow the appliance to cool for 1 minute between uses to avoid activating overheating protection. 9:if you are not sure whether your bag was sealed properly,simply reseal the bag. 10:For best results,use bags and canisters produced by the manufacturer. 11:Microwave:Don’t heat sealed food in microwave. TROUBLE SHOOTING 1:Noting happens when the power cord if plugged into appliance. A:Make sure the power cord is not damaged. B:Make sure the power cord is correctly plugged into the electrical outlet and appliance. 2:Appliance is plugged in,but cannot vacuum. A:Ensure the lid is properly closed. B:Ensure the opening end of the bag is correctly placed into the vacuum chamber. C:Check if the bag if punctured. D:Check if the foam sealing gasket is deformed or damaged. 3:Air is removed form the bag,but now re-entered. A:Check if there is a hole or puncture on the bag.it may be punctured by sharp items.Use a new bag if necessary. B:Check the sealing seam.Any wrinkle along the sealing seam may cause air re-entering,if yes,simply cut the sealed edge and re-seal. C:If there is moisture or liquid at the opening end,cut the bag and wipe it away.Then choose MOIST FOOD setting and reseal. D:If the food has been stored for a long time and the bag if full of gases ,it may spoil and suggest to discard. 4:Note: 1:To prevent the appliance from overheating,allow it to cool for 60 seconds between uses.Keep the lid open to accelarate heat dissipation. 2:If the bag melts,the sealing strip may be overheated.Allow the appliance to cool for 60 seconds before using it again. 3:For the best preservation,do not reuse the bags after storing raw meats,fish or greasy foods.Do not reuse the bags after simmering or microwaving.