Michael Joseph has more than 20 years of hands-on experience as an avid home handyman and had 10 years in the construction industry, specifically in the field of HVAC. Therefore if someone pushes & holds the lock button by mistake while trying to open the door this function will be turned on. If they are, reconnect the wires, and if they’re worn through, you’ll need to replace them. The theory is that if you are going away on vacation or have a security issue the garage door can not be opened by an outside radio signal. Also, the opener may work sometimes, but on other occasions, it does not respond. However, the two most common reasons include a problem with the lock button and malfunctioning safety reversing sensors. Start by locating the lock button on your garage door opener. If you notice this happen, start by seeing if anything is obstructing the sensors field of view. If you’re unsure where this is, consult the owner’s manual. 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. Circuit board blinks once: Sensor wires are disconnected. When the garage door ascends correctly but stops short it is fully open, these are the likely causes: The up-limit switch may need to be moved toward the motor unit. Circuit board blinks twice: Sensor wires have been shorted. Make sure that you don’t over tighten it. If you see that the sender sensor is not yellow and the receiver sensor is not green, then this means that your sensors are probably off. On the other hand, if you still can’t get it to work, you may need to call a professional or invest in a new system. Arrow blinks up once and down 4 times: The sensors need to be realigned or there’s something in the field of view. If you push the garage door opener switch when the sensors are obstructed or not aligned properly, your garage door will reverse, and the lights will blink 10 times. You will find these sensors by the garage door track. There’s two sensors you’ll need to locate. Having your garage door light blink continuously is not only annoying, it’s also a sign that there is something wrong with the mechanism. A faulty circuit board will cause the garage door opener to make clicking sounds. For all other models, you’ll want to read the owner’s manual, but once you know that your sensors are off, you’ll need to realign them. There are several reasons why your garage door opener is doing this. Another reason why your garage door light is blinking could be a result of bad wiring. My Honeywell Thermostat Says Wait: What to do Next? Type above and press Enter to search. The solution is to move the switch … To place the unit in lock-out you simply hold the same lock button again for approx 10 seconds until the LED starts flashing again. When the garage door opener is “locked-out” the transmitters will be disabled … Once the wing nut is loose, adjust the sensors either up or down until the LED light quits flickering and produce a steady glow. Follow the directs below. The constantly flashing wall button simply means that the door was either put into lock-out mode by someone using the wall panel control or for some reason it defaulted into lock-out mode in error. Trex vs Veranda Decking: Which Is the Better Choice? Many garage door openers will also have a circuit board located on the back of the motor. If this does happen the only way to get the unit out of lock out mode is to reprogram all of the transmitters & to reset the keyless entry if you have one. The first thing you’ll want to do when your garage door light is blinking is to check to see if the lock button (sometimes referred to as the “Vacation” button) is turned on, and if it is, turn it off. This is also a great way to see why your garage door opener is blinking continuously. If they’re not, then you’ll need top readjust them. Press Esc to cancel. Arrow blinks up once and then down twice: The sensor wired have been shorted.