Garage Door Sensor Repair in Morris County, NJ
Same-day sensor repair, realignment & replacement
Fix My Sensors Call Now: (973) 929-7888
Over 20 years of expertise • Fixed right the first time
Is Your Garage Door Refusing to Close?
Reversing halfway down? Flashing warning lights that won't stop blinking?
You're not alone. Every day, homeowners across Morris County deal with malfunctioning garage door sensors—and it's more than just frustrating. A garage door that won't secure properly puts your home at risk and leaves your family vulnerable to theft, weather damage, and safety hazards.
The good news? Sensor issues are diagnosed and repaired on the first visit nine times out of ten.
Expert Garage Door Safety Sensor Repair
At Kraus Garage, we offer garage door safety sensor repair, realignment, and replacement throughout Morris County. Our skilled technicians have over 20 years of technical know-how on each service call—and we provide same-day scheduling when you need us.
Don't let a malfunctioning sensor compromise your home's security. We'll restore complete functionality, usually in a single visit. See our customer reviews and before & after gallery.
If your issue is tied to the operator itself, we can also help with garage door opener repair and full garage door repair in NJ.
Why Garage Door Sensors Exist
Your garage door safety sensors (also known as photo-eye sensors or infrared sensors) exist to save lives. These small but vital devices cast an invisible beam across your garage door opening. When something—a person, pet, or object—breaks that beam, the door stops or reverses to prevent injury.
Sensors are sensitive. Small issues can render them unreliable or non-functional.
The Most Frequent Sensor Problems We Fix
Misaligned or Blocked Photo-Eye Sensors
A bump can easily knock sensors out of alignment. If the infrared beam can't connect, your opener thinks there's an obstruction and won't close.
Blinking or Non-Responsive Sensor Lights
Indicator lights show whether sensors are communicating. Blinking, dimming, or dark lights often signal misalignment, power issues, wiring problems, or sensor damage.
Defective or Rusty Wiring
Water, time, and mechanical stress can degrade the electrical connection between sensors and your opener, causing erratic operation or shutdowns.
Dust, Moisture, or Sunlight Interference
Dirt buildup, cobwebs, dampness, and even direct sunlight can interfere with the beam and trigger false obstruction alarms.
Power Connection or Logic Board Issues
The problem isn't always the sensor—sometimes the opener's terminals or logic board isn't correctly interpreting sensor inputs. We test and verify the full chain from sensor to opener.
We diagnose and repair all these problems—ensuring dependable, safe operation every time.
When to Call a Professional
Warning Signs You Shouldn't Ignore:
- Your garage door closes partially, then reverses for no apparent reason
- Sensor lights are not lit, dimmed, or flashing for one or both sensors
- The door won't close unless you hold the wall button continuously
- Sensors behave erratically—closing sometimes, not closing other times
- You've cleaned and adjusted sensors yourself but the problem persists
- Your garage door closes and immediately opens back up
- Visible damage to sensor brackets, lenses, or wires
Important: A malfunctioning sensor isn't just inconvenient—it's a safety issue. Modern garage door systems require functioning entrapment protection. Bypassing sensors increases injury risk and liability.
Why Choose Kraus Garage for Sensor Repair
Over 20 Years of Expertise
Our technicians have more than 20 years of hands-on experience diagnosing sensor, opener, and safety issues across thousands of doors.
Licensed & Insured Technicians
All technicians are professionally trained, fully insured, and background-checked.
Real Same-Day Service
If your garage won't close, waiting days isn't an option. We offer same-day sensor repairs for emergencies throughout Morris County.
Factory-Recommended Parts
We use manufacturer-recommended replacement sensors for LiftMaster, Chamberlain, Genie, and other leading brands.
Transparent, Upfront Pricing
You'll know the price before we start work—no surprise bills. Most sensor repairs range from $95 to $185, depending on the service required.
Fixed Right the First Time
We don't just reset sensors—we test, calibrate, and verify proper safety behavior before we leave.
"Kraus Garage identified the problem within minutes and fixed it on the spot. My garage door has worked perfectly ever since."
See more customer reviews.
Our Complete Sensor Repair Process
Every service call includes:
Inspection and Diagnosis
We test both sensors, examine wiring and connections, check the opener, and identify environmental factors affecting performance. You'll get a clear explanation of what failed and why.
Precise Alignment
We realign photo-eyes to proper specifications. Both sensors must be stable, level, and aimed precisely for consistent beam communication.
Cleaning and Testing
We clean sensor lenses, remove debris, verify brackets are secure, and confirm consistent beam performance.
Safety Function Testing
We test auto-reverse and obstruction detection so your door responds immediately to a beam interruption—critical for safety.
Full System Demonstration
We show you the repair, explain the cause, and provide practical tips to prevent the issue from returning.
If we discover other contributing problems (roller drag, cable wear, spring imbalance), we can address them as well: roller replacement, cable repair, spring replacement.
Same-Day Service Throughout Morris County
Kraus Garage serves homeowners and businesses throughout Morris County and surrounding communities. For the complete list of coverage towns, visit our Service Areas page.
Popular areas include:
Morristown, Parsippany, Florham Park, Morris Plains, Madison, Chatham, Denville, Randolph, Rockaway, Lincoln Park, All Service Areas
Why Local Expertise Matters: New Jersey's climate—salt exposure, cold, and humidity—can impact sensors and opener systems. We calibrate and secure your setup for lasting reliability.
Frequently Asked Questions About Sensor Repair
Why won't my garage door close all the way?
Most often, one or both sensors are misaligned or blocked. The opener treats this as an obstruction and stops or reverses. We identify the exact cause and repair it quickly.
Can I realign the sensors myself?
You can attempt minor adjustments, but slight misalignment can keep the door non-functional. Professional calibration ensures accuracy and dependable safety performance.
How much does garage door sensor repair cost?
Typically $95–$185 depending on whether alignment, wiring repair, or replacement is needed. You'll receive an exact quote before any work begins.
Do you repair sensors on older garage doors?
Yes. We carry universal and brand-specific sensor kits that work with many older and newer systems.
How quickly can you arrive?
We offer same-day service throughout Morris County and nearby areas. Contact us to schedule.
My sensors have lights on, but the door still won't close. What's wrong?
Lights indicate power, not necessarily proper communication. Alignment issues, wiring faults at the opener, or logic board problems can still prevent proper operation. We test the entire system to pinpoint the failure.
Are sensor repairs covered by warranty?
If your garage door opener is under warranty, sensor repairs may be covered depending on the manufacturer and issue. We can help you confirm coverage.
Preventive Maintenance Tips
Between service calls, you can help extend sensor life:
- Wipe sensor lenses regularly with a soft, dry cloth
- Remove stored items and clutter from around sensors
- Check for spider webs on or around sensor housings
- Visually inspect for damage to exposed wiring
- Test the safety system by placing an object in the door's path
- Schedule professional inspections regularly to catch issues early
Need help with ongoing garage door maintenance? We offer comprehensive inspections and repairs.
Schedule Your Sensor Repair Today
Don't spend another day struggling with your garage door or worrying about home security. Kraus Garage restores complete functionality—usually in a single visit.
Garage Door Won't Close? Get Expert Help Today
Don't let malfunctioning sensors compromise your home's security. Call now for same-day sensor repair service.
Fix My Sensors Call Now: (973) 929-7888
Kraus Garage Door · 1 Apollo Dr UNIT H, Whippany, NJ 07981 · (973) 929-7888Sunday–Friday: 9:00 AM – 6:00 PM (Saturdays Closed)
