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Compressor wiring diagram Compressor working principle What is the reason for the noisy central air conditioning and how to solve it Causes and solutions of frequent start-up of central air-conditioning compressors Detailed analysis of the new fully enclosed compressor in the helicopter environmental control systemThe performance of the refrigerator compressor is broken
1. After the refrigerator is energized, a rattling noise appears. This phenomenon is that the suspension spring in the compressor breaks and the movement collides with the casing. At this time, the compressor vibrates strongly and must be repaired by the maintenance department.
2. If the compressor hears a hissing sound during operation after energization, this sound is that the internal high-pressure output buffer tube of the compressor is broken, and the high-pressure gas is discharged.
3. The buzzing sound, and the clicking sound of the start contact jump at the same time. This sound indicates that the compressor is overloaded. When the voltage of the power supply system is too low to cause the start contact, the start current cannot be attracted to increase sharply.
4.Look at the temperature of the refrigerator. You can touch the temperature of the refrigerator compressor by hand after the refrigerator has been powered on for a period of time. If the temperature of the refrigerator compressor is high, it means that the refrigerator compressor and other mechanical parts have failed. The refrigerator compressor stops after a few seconds The refrigerator stops working about 5 seconds each time it starts. The problem lies in the compressor motor part:
1. The motor winding in the compressor is open or short-circuited (both faults cause the thermal relay to open for 5 seconds with a large current).
2. The compressor starter is broken and the start fails, or the high current causes the thermal relay to open for 5 seconds.
Whether it is a hammer or a PTC starter, the price is a few dollars. If you have the ability to do it, you can check it and change it. If it is inconvenient, please ask a professional master to come to your door (low cost and short time).
If the inspection result is a problem with the motor winding, the compressor needs to be replaced with a new one.
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