Therefore if someone pushes & holds the lock button by mistake while trying to open the door this function will be turned on. The purpose of the safety sensors located on the bottom corners of your garage door is to automatically reverse your … Diagnostic Chart: 1, 2 or 4 flashes - Safety Sensor Related Error - Garage Door will not close and the opener light(s) flash 10 times. The LED won't turn on. If you're having issues with your LiftMaster remote, consult our resources to troubleshoot and fix the problem. Get more answers from the people in your networks. The "Learn" button on your garage door opener is located above the antenna wire that hangs from the motorhead, it may also be under a light cover. Tags . Step 2. Report This by gnavin gnavin. The LED next to learn button on my Liftmaster Professional won't turn on. A garage door opener is a convenient way to open your garage door. Share it! The opener can self diagnose any issues. The wall button keeps blinking. Troubleshooting a LiftMaster With a Flashing Light Step 1. If you have a 3-button wall panel (push-button, light, & lock) you simply push & hold the lock (padlock symbol) button for approx 10 seconds until the LED quits flashing. If the light flashing persists, then the problem may be wire related. Step 3. The "Learn" button will be either green, red/orange, purple or yellow. It informs you of an issue by flashing the diagnostic LED light a certain amount of times. Simply hold down the lock button on the wall control for about two seconds to disengage the lock. Counting … Garage Door Opener Flashing LED Light – Door Not Moving Read More » It might be time for a maintenance check to determine if your wiring is to blame for the continuous blinking. Can't open / close. Place a step ladder under the LiftMaster motor so you can comfortably access the "Learn" programming button. The diagnostic LED light next to the learn button will flash a number of times, then pause before repeating, signifying it has found a potential issue. At times the garage door opener can malfunction and the garage door will not open or close. December 29th, 2017. LiftMaster Remotes Troubleshooting & Programming Support It doesn't matter whether you call it a remote or a clicker.