Safety Reversal Testing: A Complete Guide for Homeowners

2024-01-15

# Safety Reversal Testing: A Complete Guide for Homeowners

Your garage door is one of the largest moving objects in your home, and ensuring its safety features work properly is crucial for protecting your family. The safety reversal system is designed to prevent the door from closing on people, pets, or objects. At Marblehead Garage Doors, we believe every homeowner should know how to test these vital safety features.

Understanding Your Garage Door Safety System

Modern garage doors are equipped with two primary safety mechanisms mandated by federal law: the mechanical auto-reverse feature and the photoelectric eye sensors. Both systems work together to prevent accidents and injuries.

The mechanical auto-reverse system detects physical resistance when the door is closing. If the door contacts an object, it should immediately reverse direction and open fully. This feature has prevented countless injuries since its implementation.

Photoelectric sensors, mounted near the floor on either side of your garage door opening, create an invisible beam. When anything breaks this beam while the door is closing, the door automatically reverses before making contact.

How to Test the Mechanical Auto-Reverse Feature

Testing your door's mechanical auto-reverse is simple and should be done monthly. Here's our recommended process:

1. Gather a 2x4 wooden board - This will serve as your test object 2. Place the board flat on the ground directly in the center of the door's path 3. Close the garage door using your remote or wall button 4. Observe the door's behavior - When the door contacts the board, it should immediately reverse

If your door doesn't reverse within two seconds of contacting the board, or if it reverses too slowly, this indicates a serious safety issue that requires immediate professional attention. Contact our service team right away for an inspection.

Testing the Photoelectric Eye Sensors

The photoelectric sensors are your first line of defense. To test them:

1. Start with the door open 2. Press the close button 3. Wave a broom or long object through the sensor beam as the door descends 4. The door should immediately reverse

Check that both sensor lights are illuminated and properly aligned. Most sensors have indicator lights, typically one green and one amber. If either light is off or blinking, the sensors may need adjustment or replacement.

Common Signs of Safety System Problems

Watch for these warning signs that indicate your safety systems need professional attention:

- Door doesn't reverse when contacting objects, Sensors are misaligned or have dim lights, Door reverses randomly without obstruction, Unusual grinding or clicking sounds during operation, Door moves slowly or hesitates during reversal

Our experienced technicians can diagnose and repair these issues quickly. We carry replacement parts on our service trucks for same-day repairs in most cases.

Maintaining Your Safety Features

Regular maintenance extends the life of your safety systems and ensures reliable operation:

- Monthly testing of both reversal systems - Clean sensor lenses with a soft cloth every few months - Check sensor alignment if they get bumped or moved - Annual professional inspection as part of your maintenance plan

When to Call a Professional

While testing is something every homeowner can do, repairs should be left to trained technicians. Garage door springs and cables are under extreme tension and can cause serious injury if mishandled.

If you discover any issues during your safety tests, or if your door is behaving unpredictably, don't hesitate to contact us for a thorough inspection. Your family's safety is worth the peace of mind that comes with professional service.

At Marblehead Garage Doors, we're committed to keeping your family safe. Our BBB A+ rated technicians are available for emergency service 24/7 throughout Marblehead and the North Shore. Call us at (781) 650-3654 to schedule your safety inspection today.

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