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    Home > Active Ingredient News > Drugs Articles > Maintenance of ultra-low temperature refrigerators.

    Maintenance of ultra-low temperature refrigerators.

    • Last Update: 2020-07-18
    • Source: Internet
    • Author: User
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    ultra-low temperature refrigerator maintenance
    ultra-low temperature refrigerator maintenance and maintenance is particularly important to extend its life and normal use, if the temperature control is not accurate often lead to damage to the preserved object, the experimental results have a great impact, thus affecting the normal conduct of research work1, once a month to ensure its cleanliness
    use a dry cloth to remove the refrigerator inside and outside parts of a small amount of dust, if the refrigerator is too dirty, use neutral detergent, cleaning and then rinse thoroughly with pure waterHowever, it can not be flushed inside the refrigerator and in the upper part, as this can damage the insulation material and cause malfunctionThe compressor and other mechanical parts do not require the use of lubricantsclean the fan at the rear of the compressor with careAfter cleaning, carry out a safety check to make sure that the refrigerator plug is plugged in and not falsely connected, that the plug is not unusually hot, and that the power and distribution wires on the back of the refrigerator are not cracked or scratched2, the alarm starts alarmwhen the alarm starts the alarm alarm, usually through the following checksfirst, check the power supply for problems or if the plug is pulled out of the socket,second, check whether the internal thermometer is out of the appropriate range, in which case, the item will heat up the refrigerator and trigger the alarm,third, check whether there are too many items in one time3
    , the refrigerator is not cooled enough
    check the surface of the evaporator for frost, whether the refrigerator door is switched overfrequently, whether the back of the refrigerator is touching the wall, and whether too many items are placed4
    , the refrigerator noise is too loud
    check whether the base plate is strong, the refrigerator is stable, if not stable, adjust the moving screws so that the four corners are firmly supported on the bottom plate, whether there is any object scare ninth contact with the back of the refrigeratorif the cooling effect is poor, the refrigerator does not stop, the cooling tube is not hot, the evaporator has a very small air flow sound, these are due to slow leakage caused by the refrigerant serious defectIn the actual use process, there will be many other problems, such solutions need to constantly accumulate experience to remove obstacles, so that ultra-low temperature refrigerator to achieve good working conditions.
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