The air conditioner remote control can't adjust the temperature. What should I do?

Reason: It is possible that the battery of the remote controller is dead; It is also possible that the air conditioner is set to automatic function; Maybe the remote control button is broken. Solution: There is something wrong with the battery of the remote controller. Just replace it with a new battery. If the automatic function is set, it is enough to adjust to the cooling function according to the mode; If the remote control button fails, blow it with a hair dryer and try again; If all else fails, you can turn off the air conditioner and turn it on again. Maintenance content of outdoor air conditioning. Check whether the high and low pressure of the refrigerant in the refrigeration system of the air conditioner host is normal; Check whether there is refrigerant leakage in the refrigeration system of the main air conditioner and whether it is necessary to replenish refrigerant; Check whether the running current of the compressor is normal. Check whether the compressor running sound is normal, whether the compressor oil level and color are normal, and whether the compressor oil pressure and oil temperature are normal; Check whether the phase sequence maintainer of the main air conditioner is normal; Check whether the terminal of the air conditioner main unit is loose. Check whether the water flow maintenance switch works normally; Check whether the computer version and the resistance value of the temperature probe are normal.