Haier BD-478A service manual How is the sound of water flowing generated?, Gas flowing sound

Compressor parts, such as compressor body, exhaust tube, noise eliminator in compressor, supporting spring, etc., will cause resonance sometimes and give out sound.

(5) Collision between body and shell

Compressor body is suspended by three pieces of spring or supported by spring in the shell. At starting or stopping, forces acted on compressor changes greatly and sometimes make the body contact its shell and makes sound. This situation is of shore duration.

(6)The electromagnetic sound a hermetically sealed motor, is relatively small

12.6.3 How is the sound of water flowing generated?

Answer: When liquid refrigerant is flowing especially through the evaporator, there will sound like water flowing. This sound is different, for the evaporator used and assembly technologies during producing are

different. If there is not this sound at freezer operation, and evaporator cannot make refrigeration, condenser is not hot, this means there is restriction or there is a refrigerant leak.

MAINTENANCE SERVICE AND TROUBLE SHOOTING Maintenance Service and Trouble Shooting

12.6.4 Gas flowing sound

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