If your garage door sensors aren’t working, follow these steps to troubleshoot and potentially fix the issue:
1. Check for Obstructions
- Make sure that nothing is blocking the sensors. Even small objects or debris can break the infrared beam between the two sensors, preventing the door from closing.
2. Clean the Sensors
- Dirt or dust on the sensor lenses can obstruct the signal. Use a soft, dry cloth to gently clean the sensors.
3. Realign the Sensors
- Garage door sensors need to be properly aligned to function. Each sensor usually has a small light—one will show green (sending), and the other red (receiving). If the lights are flickering or off, adjust the sensors so they point directly at each other.
4. Inspect the Wiring
- Check the wiring running to the sensors for any signs of wear, disconnection, or fraying. If you spot damaged wires, you might need to repair or replace them.
5. Check the Power Supply
- Ensure that the garage door opener is properly plugged in and receiving power. If the sensors aren’t getting power, they won’t function correctly.
6. Test for Sunlight Interference
- Direct sunlight can interfere with the sensor’s signal, making it seem like the sensors aren’t working. You can block the sunlight or adjust the sensors slightly to avoid interference.
7. Replace Faulty Sensors
- If none of the above fixes work, it may be time to replace the sensors. Contact a professional to diagnose the problem and replace the sensors if necessary.
If troubleshooting doesn’t resolve the issue, you might need to consult a garage door technician to ensure everything is working properly.