Where can I get technical training in refrigerator maintenance?

? To Zhengzhou Great Wall Technical School, Zhengzhou Great Wall Technical School opened a training course for senior technicians specializing in home appliance maintenance. The school has been adhering to the consistent purpose of running a school and has trained countless home appliance maintenance talents. Now the school has begun to recruit students from all walks of life. As long as you want to learn home appliance repair, we guarantee that you will learn it well! Home appliance maintenance class, four months' schooling, starting time, on call. Great Wall home appliance maintenance training objectives: basic knowledge; Electronic foundation, instruments, electronic components, radios and televisions: principles and maintenance of color TV and large-screen digital color TV (LCD/PDP flat panel TV). Audio and video: VCD/DVD, music center, power amplifier, monitoring principle and maintenance. Small household appliances: washing machine, induction cooker, microwave oven and other principles and maintenance, motor maintenance. Great Wall Air Conditioning Maintenance Training System for Air Conditioning and Refrigeration, 1 month Training objectives: refrigerator, freezer, window air conditioner, split air conditioner, principle and maintenance, welding technology, control circuit, air conditioner installation technology, snow planting, instrument use, central air conditioner principle and maintenance, provided by Midea Company. Basic knowledge of color TV maintenance Troubleshooting sequence and maintenance precautions 1. Troubleshooting sequence (1) Great Wall electronic home appliance maintenance research training understands the symptoms of faults from all aspects. When receiving the color TV to be repaired, first ask the user about the failure phenomenon, the use environment, the symptoms before the failure (especially whether the machine has smoke, odor, explosion and other abnormal conditions to judge whether the machine has a short circuit failure), whether it has been repaired by others, etc. Then carry out external inspection, such as checking whether the antenna and external leads are normal; If the machine has no short circuit fault, it should also be powered on for trial operation. After power-on, first pay attention to whether the machine has any abnormal conditions such as smoke, odor and explosion, and cut off the power supply immediately if there is any; If no abnormality is found, carefully observe the defects of grating, image, color and sound, and adjust relevant knobs and keys outside the TV to see if the fault symptoms have changed. (3) Check the faulty circuit to narrow the fault range. Generally, various inspection methods should be used flexibly. Only then can the fault range be gradually reduced, and when the fault is reduced to a certain unit circuit, the fault component can be finally found through various testing means. (4) Find out the faulty components and replace them with qualified components. (5) Make necessary adjustments. (6) Check whether the repaired machine works normally, that is, test run. ? Zhengzhou great wall home appliance repair school! Zhengzhou Great Wall Appliance Repair School promises that all students who sign up now can listen to a satisfactory class for free and then pay the money. If not, they can study for another year for free! Let you learn!