Full 25-point door and opener safety check with every visit - springs, cables, rollers, tracks, and your LiftMaster or Chamberlain opener included
You get a price before we start. It does not change when the truck arrives.
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AfterSensor Calibration in McDonough, GA
Garage door sensor calibration in McDonough typically costs between $95 and $175, depending on whether the issue is a simple bracket misalignment or requires our Garage Door Repair services for the low-voltage wiring. When your garage door refuses to close and the wall button or motor unit flashes, it is almost always a safety sensor issue. If you are experiencing this in your McDonough home, we can usually address it the same day you call. You can reach our team at (470) 928-4767 for a free estimate or to schedule a service visit.
At Servo Garage Doors McDonough, we operate under The Haven Standard, which dictates that we provide a written price and a clear scope of work before we touch a single tool. If you are struggling with a door that reverses before hitting the floor, you need an expert to inspect the alignment, the wiring, and the logic board communication. This is a standard part of the expert Garage Door Repair in McDonough services we provide to homeowners across Henry County.
When You Need Sensor Calibration
Garage door sensors, or photo eyes, are the small safety devices mounted on either side of the door, roughly 6 inches off the ground. Their job is to shoot an invisible infrared beam across the opening. If that beam is broken by a person, a pet, or an object, the door stops and reverses. When they fall out of alignment or fail, the system defaults to a safety mode where it will not close the door at all. We see these issues frequently in McDonough, often caused by the following scenarios:
- Physical Impact: It is common for a stray lawnmower, a bicycle, or a storage box to bump the sensor bracket. Even a quarter-inch shift can break the infrared beam alignment.
- Sunlight Interference: During certain times of the day in Georgia, direct sunlight can hit one of the sensors, effectively blinding it. If your door refuses to close only in the late afternoon, this is often the culprit.
- Wiring Degradation: Over time, the low-voltage wires running from the motor unit to the sensors can fray, especially if they were not secured properly during the initial installation of the garage door opener.
- Vibration Misalignment: Frequent operation of the garage door causes vibration. If the mounting screws were not tightened correctly during the last service, the brackets can slowly rotate out of position.
- Moisture and Corrosion: McDonough experiences high humidity. If the sensor housing has a hairline crack, moisture can enter, causing internal corrosion on the circuit board, which leads to intermittent signal loss.
Our Sensor Calibration Process
We do not guess at the problem. Under Clause 4 of The Haven Standard, we photograph the failed component before we propose a solution. This ensures you know exactly what is happening with your system. Our process for calibrating sensors is systematic and designed to restore the safety function of your door:
- Visual Inspection: We start by inspecting the mounting brackets for stability and checking the wiring for visible cuts or loose connections at the motor unit.
- Signal Verification: We use a multimeter to verify that the sensors are receiving the correct voltage from the motor head. We check brands like LiftMaster, Chamberlain, and Genie, each of which has specific voltage requirements.
- Alignment Adjustment: If the signal is weak, we manually adjust the brackets until the indicator light on the sensor turns solid, indicating a clean, uninterrupted beam.
- Obstruction Testing: Once aligned, we test the safety reversal feature by placing an object in the path of the door. The door must stop and reverse immediately.
- Documentation: We provide you with a photo record of the findings and the completed work, ensuring you have a paper trail of the repair.
If you need assistance, call us at (470) 928-4767. We do not use “call for a quote” tactics; we provide a clear, written price before we begin any work.
BeforeAfterSensor Calibration Pricing in McDonough
We believe in upfront, transparent pricing. You should know what a repair costs before the technician arrives at your door. We do not inflate prices based on your neighborhood or the brand of your opener. The following table outlines our standard pricing ranges for sensor-related work in McDonough.
- Sensor Alignment and Cleaning: $95 - $125. This covers manual adjustment of the brackets and cleaning of the lenses to ensure a clear signal.
- Wiring Repair (Short Run): $120 - $150. This includes repairing damaged wiring between the sensors and the motor head.
- Sensor Replacement (Pair): $150 - $175. This includes the cost of new, compatible sensors and the labor to install and calibrate them.
If another company has given you a written estimate that seems high, we offer a Free Second Opinion. Bring the paperwork, and we will review it against our own standards. Call (470) 928-4767 to speak with a professional.
FAQs - Sensor Calibration
Why does my garage door sensor light blink?
A blinking light on your garage door sensor usually indicates that the photo eyes are misaligned or blocked. The motor unit detects that it cannot complete the safety circuit, so it flashes as a diagnostic code to tell you that the door will not close for safety reasons. Call (470) 928-4767 if you cannot get the lights to turn solid on your own.
Can I just bypass the safety sensors?
No, you should never bypass your safety sensors. These sensors are a mandatory safety feature designed to prevent the door from crushing people, pets, or property. If your sensors are faulty, the door is a liability, and it should be repaired immediately by a professional to ensure your home remains safe.
Is it cheaper to repair or replace the sensors?
In most cases, if the sensors are merely misaligned or have minor wiring issues, a repair is the most cost-effective solution. However, if the sensors are old or damaged by moisture, replacement is often more reliable than trying to fix a failing circuit board. We will show you the condition of your current sensors and provide a written price for both options so you can choose.
Can I fix the sensors myself?
You can check if the sensors are obstructed by dirt or debris by wiping the lenses with a soft cloth. However, we advise against attempting to repair the wiring or mounting brackets yourself if you are not comfortable with low-voltage electrical systems. Furthermore, never attempt Track Realignment or the springs yourself. The garage door system operates under extreme tension, and the springs can cause serious injury. If the issue is more than a simple cleaning, call us at (470) 928-4767 to have a trained technician handle the repair safely.
The Haven Standard Promise
Servo Garage Doors McDonough is independently owned and operated. We are not a franchise, and we do not rely on high-pressure sales tactics. We rely on the evidence we provide you. When we arrive at your home, our technician will be uniformed and background-checked. We will document what we find, provide a written price per Clause 1 of The Haven Standard, and deliver a photo record of the completed work per Clause 4. Whether you are using a Raynor, Craftsman, or Amarr system, we have the parts and the expertise to make it right.
If you are tired of garage door companies that do not return calls or provide vague estimates, give us a chance to show you a better way. We have been making garage doors right since 2015, and we stand behind our work with our 365-Day Done Right Promise. If a repair is not right, we make it right. It is that simple. Call (470) 928-4767 to schedule your service or to ask any questions about your garage door system. We are here to help.
Written by Marcus Deller, Owner at Servo Garage Doors McDonough, serving McDonough.