8 Common Problems and Methods of Food Vacuum Packing Machine


Vacuum packing is a method of packaging that removes air from the package prior to sealing. Vacuum packing reduces atmospheric oxygen, limiting the growth of aerobic bacteria or fungi, and preventing the evaporation of volatile components. It is also commonly used to store dry foods over a long period of time, such as cereals, nuts, cured meats, cheese, smoked fish, coffee, and potato chips (crisps). On a more short term basis, vacuum packing can also be used to store fresh foods, such as vegetables, meats, and liquids, because it inhibits bacterial growth. Food vacuum packing is playing a more and more important role in the packaging industry. Some common problems and methods should be mentioned during using the food vacuum packing machine.

  1. Lower vacuum degree

Methods: clean and change the vacuum pump oil if it is polluted; prolong the extraction duration if it is too short; clean or change the ventilation filter if oil-absorbing filters are blocked; check solenoid valve, coupling, inhalation valve and whether there’s anything leakage around sealing gasket when the machine is power off.

  1. Loud noise

Methods: change the splice of vacuum pump because it may be abraded; clean or change exhaust gas filter and correctly install it because it may be blocked and out of position; check the position of solenoid valve.

  1. Oil leaking of vacuum pump

Methods: plug the oil return valve to the position and clean it

  1. Lampblack of vacuum pump

Methods: clean and change the ventilation filter when the air-suction filter is blocked. Change oil if it is polluted.

  1. No-heating

Methods: change the time relay if it is burned out; change and install the heater wire if it is burnout; maintain or change the temperature switch if it is poor contact; replace the alternating current contactor to control the heating; change the heating transformer.

  1. Heating cannotbe stopped

Methods: adjust the time relay contact if it is poor contact or burnout; maintain or change the heating exchange contactor.

  1. One side is warm while other side is not.

Methods: the data packaging and heating unit is short circuit. Usually, adjust the position with braze.

  1. No vacuumingwhile pump is working

Methods: cover the working place closely; change the same specification fuse if it is blowout.

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Above are the common problems and corresponding methods when using the food vacuum packing machine. KOS machinery is specialized in packaging machine for many years, with professional technical team and customer service team. If interested, please visit our website for more information: http://www.kosbestpacking.com/.


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