Precautions: When the device cannot be controlled remotely, please check whether the barcodes of the transmitter and receiver are consistent, whether the transmitter indicator light is working, whether the receiver cable is properly connected, and whether the buzzer beeps once when the power is turned on. When the receiver cannot be controlled by the transmitter, please check whether the battery contact is normal and whether the power is sufficient, please replace the battery in time when the power is off. Remote control insensitive probably due to the disturbing environment and low battery. Please remove the battery when not in use for a long time. Please wire correctly in strict accordance with the parameters on the labels. Otherwise, it will directly shorten the service life of this device or immediately cause malfunction. The antenna should not connect to other wires. When it is a code switch on the fan, please turn the fan to the highest speed of remote control. The receiver will