ProblemPossible CauseSolution Ensure precise and distinct presses of Receiver LED not Incorrect number of button presses, faulty the learning button. responding during learning button. Verify the learning button is functioning mode setting. correctly. Check continuity and connections from the receiver output pin to the external One or more receiver Damaged output pin, incorrect wiring to device. outputs not activating. external device, faulty external device. Test the external device independently. Consider replacing the module if other troubleshooting steps fail. 6. SPECIFICATIONSFeatureSpecification Operating Frequency 433MHz Transmitter Voltage (TX118SA) DC 3V-24V Receiver Voltage (RX480E) DC 5V (typical) Output Channels 4 Channels Encoding Type 1527 Learning Code Working Modes Momentary, Toggle, Latched Receiver Type Superheterodyne Transmitter Output Power 12 Milliwatts Item Weight 0.634 ounces (total for 3 sets) Package Dimensions 3.46 x 2.79 x 0.98 inches 7. MAINTENANCE AND CARE To ensure the longevity and reliable operation of your QIACHIP RF modules, follow these maintenance guidelines: Keep Dry: Avoid exposure to moisture, humidity, or liquids, as this can damage the electronic components. Clean Gently: If cleaning is necessary, use a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners. Temperature: Operate and store the modules within their specified temperature range to prevent performance Document Outline QIACHIP RX480E+TX118SA 3SETS QIACHIP 433MHz RF Transmitter and Receiver Module Instruction Manual 1. Product Overview 2. Component Identification and Specifications 2.1. RX480E Receiver Module 2.2. TX118SA Transmitter Module 3. Setup and Wiring 3.1. Basic Connection Diagram 3.2. Power Supply and Antenna 4. Operating Modes and Pairing 4.1. Learning Button Usage 4.2. Mode Descriptions 4.3. Pairing Process 5. Troubleshooting 6. Specifications 7. Maintenance and Care 8. Warranty and Support