Maintenance) Nanning Chunlan air conditioning maintenance and after-sales service (comfortable and healthy)

Maintenance) Nanning Chunlan Air Conditioning Repair After-Sales Service (Comfortable and Healthy)
Nanning Air Conditioning Repair After-sales Service Center Hourly Service Telephone
Air conditioners are becoming more and more high-tech and intelligent, even the malfunction problems that occur during the use of air conditioners There are codes that indicate what the problem is with the air conditioner fault codes. What is the problem? These
Common air conditioner fault codes may not be clear to users or ordinary people, but for professional air conditioner maintenance personnel
br/> It’s not a big deal.
Chunlan air conditioner fault code
Compressor high pressure protection
Evaporator anti-freeze protection
Compressor low pressure protection
Compressor exhaust temperature too high protection
Over Current (low voltage protection) frequency converter cabinet series
Cause of fault code
Compressor current is too large, case is overheated, exhaust temperature is too high, module protection
Evaporator freeze protection
Room temperature Sensor failure
Inner tube temperature sensor failure
Internal and external unit communication abnormality
Nanning air conditioning maintenance after-sales service center hourly service phone number
Air conditioning troubleshooting and repair methods
Fault diagnosis. First, set the switch of the indoor unit controller to the trial operation position. If the air conditioner can run and runs stably, it can be considered that the control system is basically normal. You should focus on checking whether each sensor is in good condition.
The tuner cannot be run. Most of them are system faults. If the air conditioner has problems such as constant speed or protective shutdown, you should first check the sensor. You can use a multimeter to measure whether the resistance changes. Although the resistance of some sensors can change with temperature, their poor control characteristics can also cause abnormal control of the inverter. The sensor should be repaired or replaced as appropriate.
Sudden shutdown in the middle of the line. Sometimes the air conditioner suddenly shuts down automatically during operation. After starting the indoor fan, it also shuts down automatically after a few minutes of operation, but the outdoor unit never works. This fault is usually caused by the long-term temperature rise of the frequency conversion module, which leads to performance deterioration or even breakdown and should be replaced.
The amount of cold (heat) decreases. First check whether the filter has too much dirt and clean the filter immediately.
The adjustment operation is noisy. First adjust and tighten the compressor foot bolts or fan fastening bolts. In addition, the fan bearings are prone to noise due to lack of lubricating oil and should be filled with oil regularly. Too low power supply voltage can also cause the compressor to run unbalanced and increase the noise. The power system, especially the power socket and plug, should be checked for good contact.
Maintenance Precautions
Pay attention to whether the mains voltage is normal. If the voltage detected at the power socket is abnormal, check whether the main power switch is in poor contact
to prevent the filter capacitor from discharging and injuring people. The maximum capacity of the filter capacitor in the inverter air conditioner should be fully discharged within minutes after disconnection to protect the human body from electric shock
The condenser evaporator has a lot of dust and dirt, which will affect the cooling and heating effects and should be cleaned by professional maintenance personnel.
Nanning Chunlan Air Conditioning Repair Service Telephone/Service Target Service
Customer Satisfaction with Service Defects As long as you call the company’s hourly maintenance hotline, our company will
serve you wholeheartedly as soon as possible!