Shanghai Sairui Electrical Maintenance Co., Ltd.

& Zhongke Meiling After-sales Hotline: Zhongke Meiling Ultra-low Temperature Refrigerator Service Commitment
: Hourly service hotline, professional and technical personnel provide consultation and answer various questions.
: ** Door-to-door repair, ** Lifetime maintenance (paid service is provided outside the warranty period)
: Check the fault first, then report the required fee.
: Negotiate first and then repair the fault. No exclusions are allowed, and no fees are charged. (Door-to-door inspection fee in urban areas is RMB)
: During the maintenance and installation process, the maintenance operating procedures are strictly followed, focusing on the quality of maintenance, and striving to ensure that there is no need for repairs.
: In terms of charging, we strictly implement the charging standards of the Price Bureau and our company, replace the old parts after discussing with the customer, and never charge arbitrarily.
: Products repaired by our company will receive the corresponding original fault warranty, with a period ranging from months to years. The company has always adhered to the concept of "customer first" and provided users with high-quality products and perfect services. . In a sincere and pragmatic spirit, we have been providing customers with a full range of services. By providing customers with high-quality products and good services, we have won the recognition of users many times.
Zhongke Meiling Ultra-low Temperature Refrigerator Warranty Knowledge
The maintenance and upkeep of Zhongke Meiling Ultra-low Temperature Refrigerator is particularly important to extend its life and normal use. Inaccurate temperature control often results in damage to the stored objects, which affects the experimental results. It has a great impact and affects the normal conduct of research work.
． Clean once a month to ensure its cleanliness
Use a dry cloth to remove a small amount of dust on the inside, outside and accessories of the refrigerator. If the refrigerator is too dirty, use a neutral detergent. After cleaning, rinse thoroughly with pure water. However, do not flush the inside or upper part of the refrigerator, otherwise it will damage the insulation material and cause malfunction. The compressor and other mechanical parts do not require the use of lubricating oil. Be careful when cleaning the fan behind the compressor. After cleaning, perform a safety check to ensure that the plug of the refrigerator is plugged in properly and not empty. Make sure that the plug does not become abnormally hot. Make sure that the power cord and distribution cord on the back of the refrigerator are not cracked or scored.
． Siren starts alarm
When encountering siren starts alarm, you can usually check through the following aspects.
First, check whether there is a problem with the power supply or whether the plug has been pulled out of the socket
Second, check whether the internal thermometer is out of the appropriate range. In this case, placing objects will cause the refrigerator to heat up and trigger Alarm
Third, check whether too many items are placed at one time.
． Insufficient cooling of the refrigerator
Check whether there is frost on the surface of the evaporator. Whether the refrigerator door opens and closes too frequently. Whether the back of the refrigerator is in contact with the wall and whether there are too many items placed there.
． The refrigerator makes too much noise
Check whether the base plate is strong and the refrigerator is stable. If not, adjust the movable screws so that the four corners are firmly supported on the base plate. Check whether there are any objects touching the back of the refrigerator.
If the cooling effect is poor, the refrigerator does not stop, the heat pipe is not hot, and the evaporator makes a small air flow sound, these are caused by slow leakage causing serious refrigerant defects. In the actual use process, many other problems will be encountered. The solutions to such problems require continuous accumulation of experience to eliminate obstacles and make the ultra-low temperature refrigerator reach a better working condition.
Characteristics of Zhongke Meiling Company,
Quick maintenance of compressor, complete refrigerant and circuit accessories, hourly telephone service, after receiving the repair call, the company immediately prepares a service vehicle, wearing all the accessories of the machine (compressor Refrigerant circuit accessories) and tools rushed to the scene. Repair the machine as quickly as possible.
． Customers can entrust our company to carry out follow-up maintenance and professional maintenance on time, truly giving you no worries. (Click the commission maintenance button for details)
． After installing the remote alarm system, you can enter the mobile phone number of our engineer, so that we can detect machine faults as soon as possible and arrange for engineers to troubleshoot nearby quickly. Company history: Our company was established in 2000. During the development process of 2008, three engineers have been committed to the research and practice of ultra-low temperature. At first, we only focused on ultra-low temperature refrigerators. At that time, there were few low-temperature refrigerators, and foreign after-sales work could not keep up. , there are very few domestic maintenance companies that are on duty for several hours. After receiving the repair call, the company immediately prepared a service vehicle and rushed to the scene wearing all the accessories of the machine (compressor refrigerant circuit accessories) and tools. Repair the machine as quickly as possible. Maintenance in other places can be done through the Internet, and local engineers can be guided through video repairs, so that we can accurately determine the fault, solve it ourselves if we can, and avoid missing parts when we arrive at the scene.
Zhongke Meiling Ultra-low Temperature Refrigerator After-sales phone number, contact us && hourly service at your side
Hourly service phone number: