Replace any weak or dead remote device batteries. Weak or dead remote control device batteries can prevent the garage door opener from working as it should. Check sensor alignment and line up the safety sensors. If the garage door opener lights blink-indicating an obstruction is blocking the safety beam-even when no object is present the safety sensors may be misaligned or disconnected. Remove any obstruction in the garage door’s path. The garage door opener won’t close the door if an obstruction is blocking the safety beam. If the electrical outlet is dead, reset the house circuit breaker for the outlet. The wireless keyless entry and wired door control operate independently, so it is not uncommon for one device to work while the other does not. Plug a different electrical device into the outlet to make sure that it’s working. Lawn Tractor Blade Drive Belt, 1/2 x 101-3/8-in 429636 JC Penny Parts Table Saw Miter Gauge Assembly 089037007707 Range Oven Burner Igniter DG94-00520A Lawn Tractor Mandrel Assembly 587819701 Dryer Lint Screen ADQ56656401. Novem17:18 Your garage door opener is equipped with an integrated receiver logic board that 'talks' to your keyless entry wirelessly, whereas your wall-mounted door control panel is hard-wired. Make sure that your garage door opener is plugged into a working electrical outlet. When your garage door opener won’t close the garage door, try these DIY troubleshooting steps. How to fix your Craftsman garage door opener when it won't work When the LED blinks, the remote and door opener have been reconnected. Continue holding the button on the remote until the LED on the main unit begins to blink. Within 30 seconds of pressing 'Learn' on the main unit, press the button on the remote you wish to reprogram. The logic board also control the garage door opener lights. Resync your remote by pressing the 'Learn' button on the motor unit. The logic board controls the motor to open and shut the garage door. Replace the belt or chain if worn or broken. Chains and belts can become worn or break. Depending on the type of garage door opener you have, a chain or belt moves the trolley that lifts and lowers the garage door. If the remote keypad doesn’t work after you replace the battery, it’s likely that you have to replace the entire remote keypad. If the remote keypad quits working, try replacing its battery. The remote keypad can also wear out if it’s exposed to weather. Replace any vehicle remote device that doesn’t work after you replace its battery. Vehicle remotes see daily use, so these devices can eventually wear out. If the sensors are aligned and there’s nothing blocking the beam, but the alignment lights still won’t turn on, replace the safety sensors. Faulty safety sensors won’t let the garage door opener shut the door. Most common Sears garage door opener parts that need replacing
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