![]() ![]() Solution: You need to replace the travel module after checking the connections. Solution: You must reprogram the travel module. Problem: It means there’s a circuit error in your battery backup charging. Three blinks up and down and the power LED is continually flashing Problem: Your limit settings aren’t saved. Solution: You must replace the logic board. Problem: It means there is no sound or movement at all. Solution: You have to program the travel module to the correct position. Here is the list of possible problems and their solutions. There should be two of them -one point up and the other pointing down. Check the back of the opener motor unit housing to locate indicator arrows. Minor Garage Door Problem SolutionsĮach Chamberlain garage door manufactured after 2012 comes with prefixed indicator arrows to help for troubleshooting the unit. When aligned correctly, the receiver (green sensor) will remain on and glow steadily. Loosen the wing nut holding up the photo-eye and adjust them until both sensors are correctly aligned.Check if one or both of the lights are off and then check for faulty fuses, breakers, and plugs for problems. You can manually adjust the sensor’s alignment by checking if both the red “Source” and green “Sensor” light bulbs are working fine (not blinking).Flash Amount Problem Solution One flash The broken or disconnected sensor wires leading to the safety sensor Reconnect or replace sensor wires Two flashes Black/white wires reversed or safety sensor wire shorted Check for staples that can short wire or correct reverse wires Four flashes Safety sensors are misaligned Realign sensors until the continuous glow The LED light flashes a specific number of times which indicates the problem with the garage door openers. Clean the photo eye sensors with a microfiber cloth to remove debris from blocking the light.Īlways refer to the manual to self-diagnose LED light indicators. Ensure nothing is blocking the light between the electronic photo eye sensors. The photo eye sensors may need adjustments or realignment to fix the sight path. If the safety sensors are not properly aligned, the light will blink ten times to warn you about misaligned photo eyes.Ĭheck the two photo eyes attached to your garage door to see if it’s working correctly. The misaligned photo eyes can prevent the garage door from closing correctly. If required, you’d need to replace the wiring entirely. It might take time for the maintenance to determine whether it’s the wiring fault. If it’s none of the above, the only solution to this problem is to hire a garage door repair professional. ![]() Check for misplaced staples holding the wiring in place as they may also cause the wire to short.If it’s disconnected from the openers, consider reconnecting it. Check whether the wire is disconnected in the motor unit.The opener lights will flash, and the door will refuse to close. The same problem persists if the door opener cannot detect that the safety sensors are properly working or connected. If the light flashing persists, then the problem may be related to the wiring. There are many reasons for the lights to keep blinking. Check the manufacturer’s manual to override safety reversing sensors. Now, press the remote control button to check whether the door responds.Īnother possible cause is the misaligned or obstructed safety-reversing sensors.Gently press the lock button to turn this feature off.Start with locating the lock button on the door control.When the Lock button is active, the door opener will only work from the Wall switch keypad but the garage door remotes. Check whether the lock button on your garage door control is turned on.You can start by checking if the Lock button on the door control is ON or check if the safety reversing sensors are aligned. The safety feature prevents the doors from accessing through the remote controller. When you try to access your door using a remote or clicker while the lock system is engaged, you’ll notice that the garage door light will continuously blink. Someone must have turned on the LOCK feature on the motor unit. The problem could lie in the LOCK button or the safety reversing sensors. ![]() There are some instances when your new Chamberlain garage door opener lights keep flashing, but the garage door won’t close or open. Garage Door Light Flashing but Won’t Close Here is the list of the most common Chamberlain garage door opener issues and instructions for garage door repair.
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