Does the external unit of Gree inverter air conditioner stop working as soon as it works? Chongqing air-condition maintenance

If there is too much refrigerant, reduce the amount of refrigerant appropriately; Poor heat dissipation. Check the condenser tube for dirt and clean the condenser; The piping system is blocked. Refer to the pressure gauge to judge the exclusion. ; Dust and scale accumulate in the evaporator or filter screen, so clean the evaporator. 1, AC fault. The indoor unit and outdoor unit are connected by AC contactor, and the power supply is also transmitted through this channel. Therefore, when the AC contactor is damaged, it means that the outdoor unit and compressor can't receive power, and the outdoor unit can't work normally. 2. Freon leakage. The amount of freon is limited. Too much or too little will cause the air conditioner to work abnormally. It will cause the self-protection system of air conditioner, and the high-voltage protection will automatically open and close for self-protection. 3. The condenser is polluted. The outdoor condenser also has its own self-protection system, which will start when it is not cleaned regularly. 4, computer board failure. The operation of the outdoor unit is controlled by the computer board, so when the outdoor unit is not running, it may be the fault of the computer board. 5. The compressor and outdoor unit are burnt out. It will also cause the external machine to fail to work. Voltage, check whether the external power supply has electricity or whether the voltage reaches the rated voltage. If it is not low voltage, please check whether the indoor unit and outdoor unit are connected correctly, and whether the indoor unit motherboard is connected correctly.