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The blinking opener lights indicate that the safety sensors are likely blocked or out of alignment. Defective safety sensors or faulty sensor wiring also cause the opener lights to blink 10 times. The sensors won't allow the door to close with their infrared beam blocked.

If you find that your garage door closes part way and then goes back up, this can be triggered by objects on the ground blocking their path such as garbage cans or toys. It could also be caused by a buildup of debris on the tracks that prevents the rollers from moving forward.

Warranties vary by product and company. You want to make sure you ask very thorough questions about the warranty before you purchase. Make sure to ask how long the warranty is good for, if it is transferable when selling a home and what does the warranty cover. All windows usually come with an exclusive Lifetime Warranty.

Press and hold the LEARN button on garage door opener until the learn LED goes out (approximately 6 seconds). Immediately press and hold the LEARN button again until the learn LED goes out. All codes and MyQ accessories are now erased. Reprogram any accessory you wish to use.

When the LiftMaster wall station is locked you will notice a blinking green light in the center of the large white push button. To 'unlock' the lock feature hold your finger on the Lock button for 10 seconds, the green light will stop blinking and become steady. Now your remote will resume working.

-Press and release the smart button on garage door opener motor unit. The smart indicator light will glow steadily for 30 seconds.