Atlanta, GA • Sensor Repair
Garage Door Sensor Repair in Atlanta
Garage door sensor repair covers the photo-eye safety sensors mounted near the floor on each side of the door. These sensors project an invisible beam, and if anything breaks the beam, the door reverses instead of closing. If your Atlanta garage door will not close or keeps reversing, faulty sensors are a prime suspect, and Atlanta Garage Door Pros will connect you with a local professional who can fix them.
Sensors are a critical safety feature, especially in homes with children and pets. This page explains how they work, the symptoms of sensor problems, and quick checks you can try. Call (678) 940-0457 to get connected.

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How Garage Door Safety Sensors Work
Each sensor pair consists of a sending unit and a receiving unit mounted about six inches off the floor on either side of the door. The sender emits an infrared beam to the receiver; as long as the beam is unbroken, the door is allowed to close.
If a person, pet, vehicle, or object interrupts the beam while the door is closing, the opener immediately reverses the door. This safety system has been standard on residential openers for decades and is required by modern safety standards.
Most sensors have small indicator lights: typically a steady glow means alignment is good, while a blinking or dark light signals a problem.
Symptoms of Sensor Problems
Sensor issues have a distinctive signature. If your door behaves this way, sensors are likely involved:
- The door starts to close, then immediately reverses
- The door will not close with the remote but closes when you hold the wall button
- Opener lights flash when you try to close the door
- One or both sensor indicator lights are blinking or out
- The door reverses even though nothing is in the way
Quick Checks You Can Try Safely
Many sensor problems have simple causes you can check before calling. First, look for anything blocking the beam path, including stored items, leaves, or spider webs. Then wipe both sensor lenses with a soft, dry cloth, since dust and pollen, plentiful in Atlanta, can block the beam.
Check that both sensors are pointing directly at each other and mounted firmly. A bumped sensor that has shifted even slightly can break alignment. Also check for loose or damaged wiring along the wall.
If the sun shines directly into one sensor at certain times of day, it can overwhelm the receiver. A small shade or repositioning, done by a professional, usually solves it.
What Professional Sensor Service Includes
When quick checks do not solve it, a local professional will test the sensors electrically, realign and remount them precisely, repair or replace damaged wiring, and replace failed sensor units with compatible new ones.
The technician also verifies the opener's safety reverse system as a whole, since sensor problems sometimes mask other issues. Everything is tested through multiple close cycles before the visit ends.
If your opener is so old that it has no sensors at all, the pro can discuss adding a sensor kit or replacing the opener to bring your door up to modern safety standards.
Call (678) 940-0457 and Atlanta Garage Door Pros will connect you with a local Atlanta-area professional for sensor diagnosis and repair.