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Garage Door Sensor Repair & Alignment
If your garage door reverses before closing, won't close at all, or the opener light is blinking - the safety sensors are usually the cause. We diagnose and fix sensor issues fast across PA, NJ, and DE.
What's included in sensor service
- Sensor alignment check and adjustment
- Wiring inspection for damage or loose connections
- Sensor cleaning (dirt and spiderwebs are common causes)
- Sensor replacement if faulty
- Auto-reverse and safety reversal test
- Opener force and travel limit check
Blinking light = sensor issue
Most openers blink 4–10 times when sensors are misaligned or blocked. Count the blinks - that's your error code. We'll diagnose and fix it the same day.
Promo code:
LGDS10OFF
Signs of a sensor problem
- Door reverses immediately after touching the floor
- Door won't close - opener reverses mid-travel
- Opener light blinks repeatedly when you try to close
- Door only closes when holding the wall button
- Sensor indicator light is off, red, or flickering
Why choose Local Garage Door Service?
We're a local, insured, and background-checked team serving PA, NJ, and DE. We diagnose first, explain what failed, quote before we start, and back our work.
Frequently Asked Questions
Common questions about garage door safety sensor repair and alignment in PA, NJ, and DE