Shanghai Sanyo Refrigerator Repair [Specialized in Repairing Sanyo Original Parts]

Service Hotline Shanghai Sanyo Ultra-low Temperature Refrigerator Warranty Knowledge
The maintenance and upkeep of ultra-low temperature refrigerators is particularly important to extend its life and normal use. If the temperature control is inaccurate
it often leads to damage to the stored objects and affects the experimental results. It has a great impact, thus affecting 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 neutral detergent, and then use pure water after cleaning
Rinse thoroughly. 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 refrigerator plug is plugged in properly and not empty. Make sure that the plug is not 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 outside the appropriate range. In this case, placing objects will cause the refrigerator to heat up
, and trigger the 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. Whether there are too many items placed there.
． The refrigerator is too noisy
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.
Check whether there is anything touching the back of the refrigerator on the base plate.
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 damage to the refrigerant. 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 achieve the best
working condition.
Service content includes refrigeration system maintenance (replacement of filter element, refrigeration oil, oil filter element, threaded connection tightening
, electrical connection tightening, alarm system inspection), troubleshooting, condenser cleaning,. Water removal from the system (accidental damage to the evaporator and condenser, resulting in water intrusion into the system). System leak detection, replacement of the evaporation and condensation tubes of the two devices, electrical troubleshooting and repair,
Host ~ compressor/screw machine maintenance, etc.
Service Hotline