Parkland, FL
samedayprofessionalservices@gmail.com
(754) 812-6308
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Parkland, FL
(754) 812-6308
(754) 812-6308
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The Role of Sensors in Garage Door Opener Repairs

A garage door that refuses to close is more than just an inconvenience; it poses a security risk. Many components can cause this frustrating issue, but the problem often stems from a pair of small, unassuming devices: the safety sensors. These electronic eyes act as the gatekeepers of your garage door system, and understanding their function is crucial when diagnosing issues that need a Garage Door Opener Repair. At Parkland Garage Door Repair Services, we frequently find sensor-related problems at the root of many service calls. Since the early 1990s, the law has mandated them as a fundamental safety feature, requiring proper alignment and function for a safe and reliable garage door.

Understanding How Garage Door Sensors Work

Garage door sensors work on a simple principle. We install two units a few inches off the ground on either side of the garage door opening. One unit, the transmitter, sends an invisible infrared beam to the other unit, the receiver. As long as this beam remains uninterrupted, the receiver signals to the opener’s logic board that the path is clear, allowing the door to close.

However, if something breaks the beam—like a child, pet, bicycle, or even a stray leaf—the receiver loses the signal. It then quickly tells the opener to stop and reverse the door’s direction. This fail-safe mechanism helps prevent accidents, which is why professional Garage Door Opener Repair technicians always begin diagnostics by checking the sensors.

Common Sensor Problems and How to Spot Them

Identifying a sensor issue is often straightforward. Fortunately, most sensor units have small LED indicator lights to help you diagnose the problem. For instance, the sending sensor typically has a solid light (often amber or green) to show it has power. In the same way, the receiving sensor will have a different colored light (usually green or red) that also stays on as long as it receives the beam.

However, if the receiver’s light is blinking or off, it’s a clear sign that the beam is blocked or the sensors are misaligned. Before calling for a repair, first ensure nothing is physically obstructing the path between the two sensors. Then, wipe the lenses with a soft, dry cloth to remove any dust, cobwebs, or debris that might be interfering with the signal.

The Importance of Professional Alignment and Repair

While cleaning the sensors or removing an obvious obstruction are simple DIY fixes, recurring issues often point to a deeper problem. For instance, the brackets holding the sensors can get bumped or bent, knocking them out of perfect alignment. In fact, even a slight shift can prevent the receiver from detecting the beam. Although attempting to realign them yourself is possible, it can be a tedious process of trial and error.

Moreover, more serious problems can arise, including frayed wiring from water damage or pests, a faulty logic board that isn’t processing the sensor signals correctly, or a complete failure of the sensor units themselves. Consequently, in these cases, a professional technician is needed to accurately diagnose the source of the failure. An expert can quickly determine if the issue is a simple alignment tweak or if it requires a more complex wiring fix or component replacement. Ultimately, this ensures your Garage Door Opener Repair is done correctly and safely, restoring the most critical safety feature of your system.

Contact Parkland FL Garage Door Repair Services Today

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(754) 812-6308

Hours of Operation

Sun     7:00AM – 11:00PM
Mon    7:00AM – 11:00PM
Tue     7:00AM – 11:00PM
Wed    7:00AM – 11:00PM
Thur   7:00AM – 11:00PM
Fri       7:00AM – 11:00PM
Sat      7:00AM – 11:00PM

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