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Sensor Calibration in Carrollton, TX
Garage door sensor calibration in Carrollton typically costs between $95 and $175, depending on whether the issue stems from simple misalignment or a faulty logic board connection. If your garage door reverses immediately upon closing or the safety lights on the sensors are blinking rather than solid, the system requires professional alignment or testing. We provide a documented, flat-price quote before any work begins, ensuring you know exactly what the repair entails before we touch the equipment.
At Servo Garage Doors Carrollton, we operate under The Haven Standard. This means we do not guess at the problem. We arrive at your home, photograph the failed component-whether it is a misaligned eye or a frayed signal wire-and provide a written scope of work. If you are experiencing issues with your safety eyes, you can call us at (817) 527-9864 to schedule an assessment. We handle sensor issues for all major brands, including Genie, Clopay, and Amarr, ensuring your home remains secure and your door operates safely.
For broader issues beyond just the sensors, we encourage you to review our main Garage Door Repair in Carrollton page to understand how we approach complete system diagnostics. We are independently owned and operated, and we serve the entire Carrollton area, from the older homes near Josey Lane to newer builds in the northern developments.
When You Need Sensor Calibration
Garage door safety sensors are designed to prevent the door from closing on a vehicle, pet, or person. When these components fail, the system defaults to a safety mode, which often means the door will not close at all and may require our Garage Door Repair services. Recognizing the symptoms early can prevent unnecessary strain on your opener motor.
- The door reverses unexpectedly: If your door begins to close but immediately stops and reverses, the sensors are likely losing their signal path. This is common in Carrollton during the high-heat months when thermal expansion can slightly shift the door track, knocking the sensor eyes out of parallel alignment.
- Blinking LED indicators: Most safety sensors have an amber or green light. If these lights are flickering, flashing, or dark, the system has lost its “handshake,” meaning the receiving sensor is not seeing the beam from the sending sensor.
- The door only closes while holding the wall button: If you have to hold the wall-mounted button inside your garage to get the door to shut, the system has detected a safety fault. This is a temporary override, not a fix, and indicates the sensors require recalibration.
- Intermittent operation: Sometimes the door works in the morning but fails in the afternoon. This often points to direct sunlight interference or a loose wire connection that expands and contracts with the Texas temperature shifts.
- Physical obstruction or damage: If the sensor housing is loose, bent, or has been bumped by a bike or lawn equipment, it will not maintain a consistent line of sight. We often see this in garages with limited storage space where items are parked too close to the door threshold.
If you notice these behaviors, do not attempt to bypass the safety system. These sensors are a critical safety feature. Call (817) 527-9864 to have a technician inspect the alignment and wiring. We provide a documented photo record of exactly why the sensors were failing, fulfilling Clause 4 of The Haven Standard.
Our Sensor Calibration Process

Calibration is not just about pointing two eyes at each other. It involves verifying the integrity of the entire signal chain. We follow a strict, evidence-based procedure to ensure the fix is permanent.
- Visual Inspection and Testing: We first verify the power supply to the sensors. We check for voltage at the terminals on the motor unit to ensure the logic board is actually sending a signal.
- Alignment Verification: Using a laser level or precision alignment tool, we adjust the mounting brackets. In older Carrollton neighborhoods where concrete foundations may have settled slightly over time, the door track-and therefore the sensor mount-can tilt. We correct the bracket angle, not just the eye position.
- Wiring Integrity Check: We inspect the low-voltage wiring that runs from the sensors to the motor. We look for staples that have been driven too deep, pinching the wire, or signs of rodent damage, which is surprisingly common in suburban garages.
- Logic Board Communication Test: If the sensors are aligned and wired correctly but still failing, we test the logic board inputs. If the board itself is failing to process the signal, we document the fault with a photo and provide a written price for the necessary component replacement.
- Final Safety Cycle: After calibration, we perform a standard safety reversal test. We place a test object in the path of the beam to ensure the door reverses within two inches of the floor, meeting modern safety standards.
- Documentation: Per The Haven Standard, we provide you with a written record of the findings and the completed work. You receive a copy of the diagnostic findings before we wrap up the job.
We do not perform “quick fixes” that fail three days later. We perform repairs that last. If you need a home visit to address a persistent sensor issue, reach out to us today.
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AfterSensor Calibration Pricing in Carrollton
We operate on a flat-price model. We do not have hidden fees or “service call” charges that balloon once we arrive. Our pricing reflects the time and technical expertise required to diagnose and correct the issue.
| Service Type | Typical Cost Range |
|---|---|
| Sensor Alignment & Bracket Adjustment | $95 - $135 |
| Wiring Repair/Short Correction | $125 - $175 |
| Sensor Replacement (Pair) | $160 - $220 |
These ranges cover the labor, Spring Repair, and standard parts needed for most residential garage door systems. If we find that your logic board is the primary point of failure, we will quote that separately, with the price written down before we perform any installation. We provide a Free Second Opinion on any written estimate you have received from another company. If you have a quote from a competitor, bring it to us. We will review it against our own standards and let you know if the work is necessary or if a simpler, more cost-effective solution exists.
FAQs - Sensor Calibration

How can I tell if my garage door sensors are bad or just dirty?
Most of the time, dirty sensors are a simple cleaning issue. Wipe the lenses with a soft, dry cloth. If the LEDs on the sensors remain off or continue to blink after cleaning, the issue is likely electrical-either a loose wire, a failed sensor unit, or a need for Cable Repair-and requires a professional inspection. If you cannot get a solid light after cleaning, call (817) 527-9864 for a technician to test the circuit.
Is it cheaper to repair or replace the sensors?
In almost every case, Track Realignment or fixing a loose wire is cheaper than replacing the entire sensor system. However, if the internal circuitry of the sensor has failed due to age or power surges, replacement is the only reliable option. We will always inspect for the simpler, cheaper repair first and provide a written quote for whichever route is necessary to restore safety.
Can you come today to fix my garage door sensors?
We offer same-day and emergency service for garage door issues that impact your home’s security. Because we are an independently owned business, we manage our own schedule to ensure we can respond to urgent calls. Call (817) 527-9864, and we will let you know our earliest available slot to get your door back in operation.
Do I need to be home for the sensor calibration?
We prefer that you are present so we can show you the failed part and explain the fix, which is a core part of our documentation process. We photograph the issue, show it to you, and walk you through the written scope of work before we start. This ensures you have full visibility into what you are paying for, consistent with our commitment to The Haven Standard.
If you have questions about your specific garage door system, or if you are ready to schedule a professional calibration, call us at (817) 527-9864. We provide free estimates and upfront, written pricing for every service call.
Written by Marcus Deller, Owner at Servo Garage Doors Carrollton, serving Carrollton.





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