How to repair the failure of the cold and hot shock box compressor?
1. How to eliminate the reverse rotation of the three-phase compressor motor?
This situation is caused by wiring errors, as long as you can swap two lines of the three phases to solve the problem!
2. How to judge the short circuit of the compressor motor winding?
You can choose the R×1 file for the multimeter. After zero adjustment, measure the resistance value of the CR or CS of the compressor motor winding of the thermal shock box. If the resistance of the measured winding is less than the normal value, it can be judged that the winding is short-circuited!
3. How to judge the compressor motor to touch the ground?
Hold one pen firmly against the common point, and another meter pen to tighten the metal part of the compressor process tube, or take a small piece of the outer skin of the outer panel for measurement. If the resistance value is small, it can be judged that the winding or internal wiring touches the ground!
4. How to eliminate the “beep†sound of the three-phase compressor motor during operation?
If the cold and hot shock box compressor motor emits a "beep" sound during operation, it is caused by a serious imbalance of three phases, and there is a phase loss of the phase power supply. As long as the three phases are restored, the problem can be solved!
5. How to deal with the burning of the compressor terminal?
First clean up the burnt press pins, then connect the previously prepared copper tube plugs to the line and gently tap them in with pliers. The copper tube plug is made of 8 angles, which can be solved by pressing the shaping on the foot of a good presser beforehand!
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