How to Adjust Infrared Safety Beam Sensors

Written by Nick McGregor. Posted in Garage Door Reversing, Garage Door Safety Sensors

Safety-beam-sensors-garage-door-

Why won’t my garage door close?

It is very frustrating when you go to close your garage door and it starts to go down and comes right back up! The most common reason that this happens is because the safety beam sensors located at the bottom of your garage door. These sensors are very sensitive and if there is anything blocking the beam, such as a blade of grass or cob web, will cause the door not to go down. Also if the sensor is not lined up properly it will cause this as well.

How do I fix this problem?

It is actually very simple to fix this problem yourself without having to have one of our service technicians some out and fix it. There are a couple of ways for you to test or troubleshoot this problem. Sometimes it can be the wiring itself or a short in the wiring. You can inspect the wiring yourself with these simple steps:

  1. Check for incorrect wiring between the sensors and the garage door opener.
  2. Verify the wire connections are correct on the garage door opener. The solid white wires connect (insert) to the white terminal and the white and black wires connect to the grey terminal.

Note: The amber LED on the sending sensor will glow regardless of alignment or obstruction. If the green LED on the receiving sensor is off, dim, or flickering (and the invisible light beam path in not obstructed), alignment in required.

How to test the wiring?

There are also simple steps to test the safety sensor wires.

  1. Remove the sensors from the brackets.
  2. Remove the wires from the wire nuts or cut the sensor wires 12” from the sensors.
  3. Strip both ends of wires from each sensor and twist like colored wires together. Proceed with both sensors to the garage door opener motor unit.
  4. Remove existing wires from the white and grey terminals on the back of the operator.
  5. Attach or insert white wires into the white terminal and black/white striped wires into the grey terminal.
  6. Point the sensors at each other-if both sensor LED’s turn on, there is an issue with your wiring. Replace the wires between the opener and the sensors. If the LED’s DO NOT turn on, replace the sensors.

Note: If after replacing the sensors, the LED’s still do not light, it could be the circuit board or even a new opener.

If it is not fixed what do I do?

If after trying these steps and your sensors are still messing up there may be some bigger issues at hand. In that case you might want to give us a call and have a technician come out and give you a free estimate. Do note that if you cannot get your garage door to close because of the sensors, you can hold down the wall console button inside your garage and it should close all the way. That way you can get it closed if you are in a hurry and we can come out right away. Just give us a call at (972) 422-1695 to schedule your free estimate!

 

By Nick McGregor, General Manager of Plano Overhead Garage Door

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  • September 23, 2016:

    "We've used Plano Overhead many times since the late 1990's and have been pleased every time!"


    -Sally R.    Plano, TX
  • September 7, 1987:

    "Prompt, courteous, and took care of the job in a very professional manner.  The enthusiasm to do the job right was refreshing to say the least."

    -Jared F.    Richardson, TX
  • January 2, 2017:

    "The customer service of this company is great.  They go the extra mile to make things right.  Use this company.  They fix your problems correctly and have quick service too."

    -Richard S.    Dallas, TX
  • March 14, 1995:

    "Plano Overhead quickly diagnosed my problem, made the necessary repairs, and adjusted the door for proper operation.  All I can say is, again, thanks for the excellent service and very professional service personnel.  The cost was very reasonable as well!"

    -Lynn P.   McKinney, TX
  • December 4, 2006:

    "Great service! I couldn't be happier!  I'm just amazed that in today's hurry up, make a quick dollar and get out world, this kind of expert service and friendly attitude still exists.  I don't mind paying for this kind of service and attitude.  I'll never call anyone other than Plano Overhead!"

    -Steve S.   Wylie, TX
  • January 27, 2017:

    "My garage door spring broke this morning.  I had used Plano Overhead before and was really impressed with their customer service and the professionalism of their technicians.  They stand behind their work and their products.  I have always recommended them to people I know and will continue to do so!"

    -Mark Z.   Allen, TX
  • January 14, 2004:

    "Thank you for your timely and professional service and your reasonable prices!"

    -Emmett W.   Garland, TX
  • December 6, 1993:

    "As a small business owner myself, I would like to commend your company for taking the extra step many business fail to take these days. Please feel free to add me to your list of references."

    Johnathan T.    Plano, TX
  • March 12, 2011:

    "Great service, great price, great company."

    -Chris H.    Plano, TX
  • August 13, 2006:

    "I cannot believe I got a Thank You Note from you guys!  Your promptness, courtesy, sympathy, and efficiency all made my situation a little easier."

    Richard W.   Murphy, TX
  • June 27, 2013:

    "The entire process was fantastic.  I walked into their showroom, and a representative was more than ready to help!"

    -Tony B.    Plano, TX
  • February 23, 2017:

    "Technician arrived on time on very short notice.  He worked efficiently and completed work in about one hour.  He even took time to answer questions and go over the work!"

    -Viadhe T.    Carrolton, TX
  • May 7, 2014:

    "Everyone from the technicians to the receptionists are always so pleasant to deal with.  You will not be disappointed with this company!"

    -Betsy Y.    Allen, TX
  • May 30, 2015:

    "Service was great, very professional and helpful!"

    -Steve J.    Frisco, TX
  • August 8, 1997:

    "I appreciate the fast service.  It's great to find a company I can rely on.  I'll recommend you every chance I get!"

    Stephany R.   Richardson, TX
  • January 5, 2012:

    "It is great to find a local company that you can depend upon.  I will definitely recommend your company to others who may have problems with their garage door."

    -Christina L.     Allen, TX
  • October 31, 2014:

    "About as good an experience as you can get, the installer was professional about his business, showed up on time, and completed the job in the time estimated."

    -Mark M.     Frisco, TX
  • August 19, 2014:

    "Plano Overhead Garage Door runs their business the way consumers wish all businesses were run.  They are simply a premier service provider."

    -Arlene M.    Plano, TX
  • January 6, 2017:

    "Scheduling was very responsive both via email and over the phone.  They were very professional and timely during the install, and even programmed my vehicles to the garage door opener before leaving.  I will continue to hire Plano Overhead Door in result of my experience today and will highly recommend them to my neighbors!"

    -Jon M.    Plano, TX
  • June 17, 2014:

    "Punctual, knowledgeable, and fast."

    -Dawn H.    Richardson, TX
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