1 . Listen

 

    In addition to the user should listen to the introduction of the use and maintenance of the refrigerator , it should also carefully listen to the operation of the refrigerator .

 

    ( 1 ) If you hear the startup relay ( excluding PTC starter ) when energized contacts pulls in "despair " is heard, then the compressor running as normal. If you hear the startup relay contact issue " Da Dada " continuous pull and jump sound or overcurrent relay tripped the voice was not normal power.

 

    Listen carefully ( available medical stethoscope to listen to ) the operation of the compressor (2 ) compressor starts . During normal operation , you should be able to hear the compressor motor rotation produced a slight and uniform "hissing " sound. If you hear the following noise , then it is not a normal phenomenon :

 

    1 ) " buzzed " sound is the sound of the motor starts bad , and you should pay attention to whether the overload relay action .

 

    2 ) " Da Dada " sound of metal moving parts inside the compressor crash due to loose issued .

 

    3 ) " clang clang clang " sound is hanging spring break after a crash sent the compressor .

 

    4 ) " Chi Chichi " sound is the sound of high pressure air compressor high pressure buffer tube leak issue .

 

    (3 ) whether the compressor starts to listen to boil vaporized refrigerant flow sound issued within the evaporator , if silent then the cooling system blockage or leakage of refrigerant has been exhausted .

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