How to Troubleshoot Garage Door Safety Sensors
Introduction
Garage door safety sensors monitor the operation of your garage door. They make sure that the door will not close while a person is under it. These sensors keep kids, pets, and distracted adults from getting hurt by a closing garage door. The sensors can be damaged by water and dirt or by hit. Find the source of the garage door safety sensor’s malfunction can be irritating but the problem can usually be fixed easily.
Difficulty: Moderately Easy
Things You'll Need:
- Brackets
- Wire
- New sensors
Instructions
Step 1
Check the sensors for anything that could be stopping them from seeing their pair. Look carefully at the lens. Make sure there is no dirt or debris on the lens.
Step 2
Verify that the sensors are lined up correctly. You may need to tighten the brackets that keep the sensors in their places. It is possible that you will need to completely replace the brackets.
Step 3
Confirm that the unit is on. Be sure that the sensors are receiving electricity. Check the main unit’s power if you see that the sensors’ lights are not on.
Step 4
Inspect the wires that lead to the sensors. Make sure that the connections are all secure. Install new wires if the current ones are damaged or frayed.
Step 5
Expose the inside of the sensor units and verify that the wires inside are attached properly. Make sure that there isn’t anything that doesn’t belong inside the sensor unit. Also check that the sensor units are dry inside.
Step 6
Replace the units. Only complete this step if none of the other steps have yielded positive results. If replacing the units does not fix the sensors, have a repairman/electrician come and look at the circuit board in the main unit.
Tip
Check the sensor packing for further instructions.
Warning
Be careful when working on the sensors because the sensor will not working to keep the garage door open.
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