First, turn on power supply. br Then, press the transmitter, there is no response. (There is no code on the receiver.) br Next, press button K1 of receiver for 1- 2 seconds; signal LED on the receiver is on. The receiver enters into status of LEARNING. br Press any one button on remote control. If signal LED flashes twice, it means learning is successful. br Model: 0020110 (S4PUW-DC12-ANT2 & CC-4) br Online shop: br Email: katherinexjy@gmail.