1. Explosion-proof refrigerators are not refrigerated.
Cause of failure:1The high-pressure output buffer pipe in the compressor is broken, or the screw fixing the tube is loose, resulting in the high-pressure pipe not exhausting, and the low-pressure pipe not suctioning, so the compressor is running, but not refrigerating.
2.The refrigeration system leaks, the refrigerant runs out, and although the compressor is running, there is no refrigerant evaporation and heat absorption in the system, so the temperature in the refrigerator does not drop.
Troubleshooting:1Cut the casing, replace the buffer tube, or tighten the screws.
2.First find out the leakage part of the system, carry out welding repair, pressure test, and evacuation qualified, and then add refrigerant to a certain amount, usually according to the evaporator is full of frost or the refrigerator reaches the rated temperature.
3.The capillary tube or dryer is clogged, and the outlet is heated, so it is necessary to check it down and remove it.
2. Explosion-proof refrigerators are not defrosted.
Cause of failure:1The defrost timer is damaged.
2.The defrosted circuit board cable falls off.
3.The defrost circuit is damaged.
4.No frost or less frost troubleshooting method: check whether the defrost timer is damaged, whether there is poor contact, whether the defrost circuit is misconnected, and whether the defrost circuit control cable falls off. Defrost circuit damage, etc. Repairs can be made for specific problems.
3. Explosion-proof refrigerators are noisy.
Cause of failure:1The refrigerator is placed in an uneven position or the feet are loose.
2.The fixing screws on both sides of the compressor are loose or the hanging springs in the machine are falling off.
3.The internal high-pressure output buffer pipe of the compressor is broken or the screw is loose.
4.The compressor casing is loose after a collision between the front and rear of the casing and the box.
5.Problems in the production process of compressors: one end of the lifting spring in the machine is deflected to make the fuselage tilt back;The compressor is carried and moved in parallel with the box;The compressor base sags so that the fuselage leans back;compressor damping failure, etc.
6.The installation position and unevenness of the outside of the refrigerator are stable and tight.
7.Troubleshooting methods such as loose fastening parts and blockages in the pipeline system: Place the refrigerator in a clean and flat place, and adjust the bottom corner screws to keep the refrigerator in a horizontal positionTighten the fixing screws on both sides of the compressor or install shock-absorbing rubber rings;Adjust and tighten the joints of the components;Adjust the position of the joints of the parts to make good contact;Compress it again.
Fourth, the explosion-proof refrigerator shell is electrified.
The main reason for the electrification of the refrigerator shell is the damage or aging of the electrical circuit, the deterioration of the insulation performance of the electrical components, the moisture of the electrical components and the poor quality of the electrical components. Repairs can be made for specific problems.
5. The explosion-proof refrigerator is powered on and trips.
The fault is mainly manifested in the fact that the refrigerator trips immediately when the power is turned on or the compressor cannot start running after the power supply is closed. Faults such as the wrong or loose grounding wire of the refrigerator and poor contact will also cause the refrigerator to leak and trip or the shell to be electrified. Repairs can be made for specific problems. 100 help plan