Guide to common fault diagnosis and self-service of household appliances

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In the busy urban life, home appliances like invisible guardian, quietly improve our quality of life. From the coffee maker that wakes you up in the morning, to the warm air heater that dispels the chill at night, they convey convenience and warmth in a silent language. However, when these daily companions suddenly strike, do you choose to wait helplessly for help, or do you launch into self-help with confidence? This article will reveal the common faults of home appliances self-help secrets, let you in the face of emergencies, leisurely, save time and worry.

Ⅰ.Power failure

Power failure is one of the most common failure modes of household appliances, accounting for about 35% of all electrical failures. When the equipment is not responding at all, a systematic process should be followed:

1. Check external power supply system. Use the test pen or replacement method to confirm whether the socket is normal power supply, according to statistics, about 18% of the"Electrical fault" is actually due to power supply problems. Second, check the integrity of the power cord, observe whether there is obvious damage or internal fracture. Poor contact of the power switch is also a common fault point, can be measured by multimeter on-off state to confirm.

2. For electrical appliances equipped with safety devices, fuses often indicate the existence of circuit overload or short circuit. Be sure to find out the reason before replacement, blind replacement may cause secondary damage. Some modern electrical appliances use electronic safety design, need to perform a specific reset operation to restore normal work.

Ⅱ.Running exception

In the long-term use of household appliances, if there is abnormal noise, vibration or efficiency decline, which is often the obvious signal of internal parts wear or dust accumulation, if these problems are left alone, is likely to cause more serious failure, shorten the service life of household appliances. Like the refrigerator, cooling effect is weakened in addition to condenser dust, with a soft brush or vacuum cleaner can restore efficiency, if the refrigerator door seal aging leak, also affect refrigeration, need to be replaced in time. Washing machine dehydration violent shaking, in addition to adjust the bottom balance screw, if the clothes placed seriously uneven, also can cause this phenomenon, need to re-distribution of clothing. In addition, but also pay attention to bearing wear and other issues, timely maintenance and replacement.

Ⅲ.Display malfunction

Display is an important conveyer of the status of household appliances, once garbled, black screen, continuous flashing and other anomalies, it may be the system or software in a temper. System Cottonwood, poor software compatibility, out-of-date versions, etc. can all be contributing factors. Encounter this kind of circumstance, first decisive restart equipment, give home appliance a chance to start afresh, perhaps the problem is solved. If the reboot doesn't work, Don't panic. Check the product instructions and follow the instructions. You can also go to the official website and download and install the latest firmware updates accurately, to restore the normal display screen.

Ⅳ.The smell is pervasive

Dust, mould or food scraps may accumulate inside the appliances after a period of use, causing unpleasant odours. Refrigerators need to defrost periodically and clean up expired food to keep the insides dry and clean. Air conditioners need to use professional cleaners to clean filters and evaporators to remove mold and bacteria. Microwave a bowl of water and lemon slices, can deodorize and sterilize, kill two birds with one stone. Regular household appliances for air purification, so that the home environment more pleasant.

Conclusion

Master the home appliances common fault self-help method, not only in the critical moment to save the day, but also to enhance our quality of life and efficiency. Home appliances are small, but carrying our yearning for a better life and the pursuit. Through regular maintenance, timely repair and scientific self-help, we can make these daily partners stay with us longer and weave a warm, harmonious and efficient life together. In the face of home appliances failure, you are no longer a helpless bystander, but a confident self-help expert.