The transmitters (remotes) will not work to close the garage door. Try Resetting the Sensors. They would be able to determine what is causing the problem. If the device is equipped to sense resistance when the door goes down, there may be something sticking in the mechanism that keeps the drive from working, and that causes the door to reverse rapidly. An electric garage door can become stuck in the open position for several reasons. I am guessing the door encounters some form of resistance it interprets as an obstacle it should not crush and it stops. The red arrow points to the LED. I wiggled the plug to the "sensor side" and the LED would either be off or flicker lightly. Honey dew lists are eternal and infinite. I forget the procedure for troubleshooting one of these units. Of course, the batteries in the remote need to be good. How to Tell if Garage Door Sensor is Bad. Due to rules started in California, solder may not contain certain "dangerous" elements (I think lead). It should be clean on both sensors. Reply Checking the springs might be a good idea as well. Opposite to this, your garage door may hit the ground and “think” there is an object obstructing its path, causing it to reopen. Also, make sure that lenses are mounted five to six inches from the floor on either side of the garage-door opening and that lenses are aligned facing one another. First, be sure that the lenses are clean, and check for any possible obstructions or loose wires. I have a Genie garage door opener H 6000 a it will not close sensors are good what else could it be. I have a Genie Medallion IMS1000/B (unsure of how old since the previous owner installed it). My garage door won’t close, and I’m not sure what to do. I finished this in record time, then had to do more on my honeydew list. The help sections for Liftmaster units are more general and not very helpful. I also have a laser pointer on a 24 inch household carpenter's level. It has been two years since I had problems with a garage door opener, and that was a different unit than this one. It is a new opener - month and a half or so - has been working fine. Troubleshooting your Genie garage door opener . Did something bend them so the sensors are no longer aligned? Hi guys.I'm currently experiencing troubles with my garage door at my new home. That is a tough situation since no one wants to leave their stuff unprotected with the door open. Both sensors are clean, aligned, wiring appears ok, NO lights flash on the unit when I try the remote , remotes have new 12v batteries in them (my first thought)..I would love to solve this problem myself if as repairmen of any kind seem like vultures, just waiting to fly in to replace a 50-cent part , then present you with a $200 bill ! One sends a beam of infra-red light to the other. It is useful for checking up and down as well as left vs. right deflection on the beam. If your garage door won’t close all the way, the problem could be due to a blocked photo-eye. See your owner's manual for more details. Every garage door I have known has sensors. Troubleshoot problems with your Genie garage door opener or accessories. It’s not always clear if a garage door sensor is bad, but there are a few common signs that indicate you have a malfunction. 1. Reply If you're finding that your garage door isn’t behaving properly, a bit of Genie garage door opener troubleshooting knowledge is an invaluable asset! If your garage door won’t close all the way, it’s probably an issue with your sensors. There should be an adjustment on the unit to set the amount of resistance at which the unit reverses. Unfortunately, due to this, a good solder connection has a shelf life where intermittent or permanent connection problems can occur in soldered joints over time. will cause prevent you from closing the door. If you experience problems with your Genie garage door opener, there are several steps you can run through to try to clear up the problem. One of the sensors is not on. After a quick search for "garage door opener troubleshooting," I opened this page. Please work through my Instructable step by step. The other problem I have had is making sure the remote and the main unit are programmed to the same code. Let’s start with the most obvious sign – your garage door doesn’t close properly. I have a Chamberlain 1/2 hp that works fine with the button on the wall...and OPENS fine with the remote...but just failed to CLOSE the door with the remote ! It should be bright and show a solid color. Most garage door problems can be traced to the sensors. Owners of Genie openers will want to follow instructions carefully to make sure the opener works as it is intended. I checked wires and cleaned the lenses. Knowing what’s wrong with your garage door may help you to determine if it is a problem you can tackle or if it’s time to call someone for assistance. Garage door openers made after 1993 are equipped with sensors positioned on both sides of the vertical rails. Check to see if your garage door is properly balanced I had the same problem and after following your clear instruction. When I close the garage door it goes down to the bottom, barely touching the cement and comes back up. Very informative article. 4 years ago. Most garage door openers have a lock button or a switch that will cause the garage door to stop and sometimes close. I am not a professional garage door opener serviceman. Garage door will go up but not come down when using remote. (after removing the sensor from the bracket)...Taking the sensor box apart is not difficult. This entry was posted in Garage Doors on June 1, 2017 by . The slide detects the "Close" bolt and stops. In time these connections corrode slightly with oxidation. I am glad it was helpful. That didn't do it so I took it apart and re-soldered the locations where the connector (top of picture) came in as well as the diode and capacitor connections (for good measure). I have a garage door safety beam that blinks when blocked. That would make it so it wouldn't want to close. If the Safe-T-Beam® lenses appear to be installed properly and aligned facing one another, refer to the troubleshooting section of your owner’s manual for additional causes and solutions. A flashing Safe-T-Beam LED indicator means a malfunction has occurred. Scan the situation. Some are green and some are red, depending on the manufacturer of your opener unit. I wonder if there was something blocking the beam at the opening? Thanks! This garage is my workshop. Put it back together, realigned it and got a bright green LED - yippee!BTW - both lights should always be on unless there is an obstruction or the sensors are misaligned (probably covered above). Garage door won’t stay closed. It is also fun to benefit others now and then. If you are still having trouble, refer to your owner's manual, or contact Customer Service. It was late in the evening. If you’ve checked the sensor eyes and alignment and the door still won’t work properly, the open and close limits could be to blame. If this is the reason, you will need to reengage the carriage. If the problem persists, check to see if the red Safe-T-Beam LED indicator is blinking. And, I did not need to call a technician. If the LED indicator continues to flash, see your owner's manual for a list of possible causes and additional troubleshooting. - YouTube If anything interrupts this beam of light, the garage door will not close and the ceiling light on the opener mechanism will flash as mentioned in the previous step.