Can you get to my garage door emergency the same day if it breaks?

Absolutely. We keep our schedule flexible for breakdown calls and typically respond within a few hours in Orford. Winter months can be busier since cold snaps affect springs and tracks, but we prioritize same-day service when possible. If your door is stuck mid-cycle or won't close, call right away—don't try forcing it, as that can cause more damage. We're ready to roll.

What does it mean when my garage door comes off the track, and can you fix it?

When a door jumps its track, the rollers slip out of the metal guides on either side. This usually happens from impact, worn rollers, or track misalignment. We can realign the tracks, replace damaged rollers, and ensure everything runs smoothly again. Never force an off-track door—you risk injuring yourself or damaging the door frame. We handle these calls regularly and get you back in business quickly.

Should I choose a torsion or extension spring when replacing mine?

Torsion springs sit above the door and twist to lift it; they're safer, last longer (10–15 years), and handle weight more evenly. Extension springs run along the sides and stretch, which means more wear and a higher injury risk if they snap. Most modern Orford homes benefit from torsion springs. We'll assess your door's size and weight, then recommend what works best and lasts longest for your setup.

My door leaks cold air and drafts in winter—is it time for new weather stripping?

Worn seals let in drafts, moisture, and pests, especially during our colder months. Replacing rubber weather stripping and bottom seals is straightforward and affordable—usually under $200 for materials and labor. It's one of the quickest upgrades to improve insulation and comfort. We'll inspect the entire perimeter and replace any cracked or missing strips so your garage stays tighter.

Will any garage door opener work with my existing door, or do I need a certain brand?

Most modern openers fit standard doors, but horsepower and features vary. Heavier doors need stronger motors (usually ½ to ¾ HP). We typically recommend LiftMaster or Chamberlain for reliability and parts availability in our area—they're industry standards. We can install quality openers at different price points and ensure it's compatible with your door's weight and existing hardware.

What happens to my garage door opener during a power outage?

Without battery backup, you're manually lifting the door—not fun if it's heavy. A backup battery keeps your opener running for several cycles during an outage, letting you open and close normally. It's especially useful in Orford winters when ice storms knock out power. Battery units are affordable add-ons and pay for themselves in peace of mind. We install and test them to make sure they work when you need them.

Can I control my garage door from my phone with one of those smart systems?

Yes. Systems like MyQ and HomeLink let you open or close your door remotely and send alerts if it's left open. They work with most modern openers, though some older units need an adapter or replacement. Smart integration is convenient and adds security—you can check door status from anywhere. We install these systems and walk you through the app setup so it's simple to use daily.

How do I know if your company is licensed and insured?

That's a smart question. We're fully licensed, bonded, and insured for all repairs and installations. Our credentials protect you if something goes wrong and ensure you're working with trained professionals who follow code. Ask us to show proof when we arrive—it's part of doing business the right way. You can also verify our standing with the state licensing board. Your peace of mind matters to us.

What's the typical cost difference between fixing a spring versus replacing the whole door?

Spring replacement usually runs $150–$400 depending on type and quantity. A full door installation ranges from $800–$2,500+ based on size, insulation, and materials. Most repairs are far cheaper than replacement, so we assess damage first and recommend the best value. Sometimes a 15-year-old door with a bad spring makes more sense to replace; other times a fix buys you years. Call for a free quote and we'll give you honest options.

Sensor Calibration: A Complete Guide for Homeowners

January 15, 2026 8 min read Orford Garage Doors Team

# Sensor Calibration: A Complete Guide for Homeowners

Your garage door's safety sensors are one of the most critical components of the entire system. These small devices, mounted near the bottom of your garage door tracks, create an invisible beam that prevents the door from closing on people, pets, or objects. Understanding how to properly maintain and calibrate these sensors can keep your family safe and prevent frustrating door malfunctions.

Understanding How Safety Sensors Work

Garage door safety sensors, mandated by federal law since 1993, use infrared technology to detect obstructions in the door's path. One sensor acts as a transmitter, sending an invisible beam of light across the doorway to the receiving sensor on the opposite side. When this beam is unbroken, the sensors signal to the opener that it's safe to close the door. If anything interrupts the beam.a child, a pet, a bicycle, or even leaves blowing through.the door will stop and reverse direction.

Modern safety sensors typically have LED indicator lights that show their operational status. A steady green light usually indicates the sensors are aligned and working properly, while a blinking light often signals a problem that needs attention. Understanding these indicators is your first step in sensor maintenance.

Signs Your Sensors Need Calibration

Several symptoms indicate your garage door sensors may need adjustment:

The door reverses immediately upon closing: If your door starts to close but reverses without any visible obstruction, misaligned sensors are often the culprit. The system thinks something is in the way when nothing is there.

Intermittent operation: Sometimes the door closes fine, other times it won't. This inconsistency often points to sensors that are barely aligned.working when conditions are perfect but failing with slight vibrations or temperature changes.

Blinking sensor lights: Pay attention to your sensor LEDs. A steady light on both units means proper alignment. Blinking or no light indicates a problem.

Door operates only with the wall button held down: This is a safety feature that allows you to close the door while bypassing the sensors, but it indicates the sensors aren't communicating properly.

Step-by-Step Sensor Calibration

Before beginning any sensor work, ensure your safety by unplugging the garage door opener or turning off its circuit breaker.

Step 1: Clean the Sensor Lenses

Start with the simplest solution. Dirt, cobwebs, and dust can interfere with the infrared beam. Use a soft, clean cloth to gently wipe both sensor lenses. Avoid harsh chemicals that might damage the lens coating. For stubborn grime, slightly dampen the cloth with water or mild glass cleaner.

Step 2: Check the Sensor Alignment

Both sensors should point directly at each other. Even a slight tilt can break the beam connection. Get down to sensor level and visually check that they appear to be aimed at one another. Most sensors have adjustment slots that allow for fine-tuning their angle.

Step 3: Verify Mounting Bracket Security

Loose mounting brackets are a common cause of sensor problems. Check that both sensors are firmly attached to their brackets and that the brackets are securely fastened to the door frame. Vibration from the door's operation can loosen hardware over time.

Step 4: Adjust Sensor Position

If cleaning and tightening don't solve the problem, you may need to physically adjust the sensors. Loosen the mounting brackets slightly.just enough to allow repositioning. Aim both sensors directly at each other, then retighten. Check the indicator lights to confirm proper alignment.

Step 5: Test the System

Restore power to the opener and test the door's operation. Place an object like a cardboard box in the door's path and attempt to close the door with your remote. The door should reverse immediately upon detecting the obstruction. Remove the object and confirm the door closes completely.

Advanced Troubleshooting

If basic calibration doesn't resolve your sensor issues, consider these possibilities:

Wiring problems: Inspect the wires running from the sensors to the opener unit. Look for breaks, fraying, or loose connections. Damaged wiring requires professional repair.

Sunlight interference: Direct sunlight hitting the receiving sensor can interfere with its ability to detect the transmitter's beam. This is especially common in east or west-facing garages during certain times of day. Installing a small shade above the affected sensor can help.

Electrical interference: Nearby LED lights, fluorescent fixtures, or other electronics can occasionally interfere with sensor operation. Try turning off nearby lights to see if operation improves.

Sensor failure: Like all electronic components, sensors can fail over time. If you've exhausted other troubleshooting options, the sensors themselves may need replacement. This is typically an affordable repair.

When to Call a Professional

While basic sensor maintenance is suitable for most homeowners, some situations call for professional expertise:

- Persistent problems after troubleshooting, Visible damage to sensors or wiring, Sensors that require complete replacement, Integration issues with smart home systems, Any work involving electrical connections

At Orford Garage Doors, our certified technicians can quickly diagnose and resolve sensor issues. We carry replacement parts for all major brands and can usually complete repairs in a single visit.

Preventive Maintenance Tips

Keep your sensors functioning reliably with these ongoing maintenance practices:

- Clean sensor lenses monthly, more often in dusty environments, Visually inspect sensors during regular garage cleaning, Test the safety reverse function quarterly, Keep the area around sensors clear of clutter, Watch for condensation issues in humid weather

Your garage door sensors are guardians that protect what matters most. A few minutes of regular attention ensures they'll continue performing this vital function for years to come.

*Need professional help with your garage door sensors? Contact Orford Garage Doors at (518) 735-8008 for prompt, expert service throughout the Upper Valley.*

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