![]() If the trolley re-engages with the door, pull the Emergency Release Rope to disengage. The trolley should travel towards the door and stop. Run the motor unit from the remote control or control console.Loosen the belt by adjusting the outer nut 4 to 5 turns.Manually bring the door to a closed position.Release the door from the opener by pulling the Emergency Release Rope.First verify that the trolley is against the stop bolt.This feature activates the light on when the safety reversing sensor beam has been obstructed. The garage door opener is equipped with a security light feature.My lights will not turn off when door is open: My door reverses for no apparent reason after fully closing and touching the floor: Manually check door for balance or any binding problems.Weather conditions in particular can affect door travel. The need for occasional adjustment for the force and limit settings is normal. Repeat safety reverse test after adjustments to force or travel limits. If remote will still not activate your door, check diagnostic LED for flashes on motor unit.Reprogram remotes following the programming instructions.Verify your Motion Detecting Control Console does not display “Lock Mode.” If it does, deactivate the Lock Mode following the instructions for Using the Motion Detecting Control Console.Check diagnostic LED for flashes on the motor unit.Verify the safety reversing sensors are properly installed, aligned and free of any obstructions.The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the down direction. My door will not close and the light bulbs blink on my motor unit: The remote controls are rolling code on 315 MHz. The garage door opener uses a belt drive to move the door, so it is more attractive for homeowners who value comparatively noiseless operation. ![]() Craftsman 315 SERIES 139.53939D garage door opener troubleshootingģ15 SERIES 139.53939D is a residential garage door opener. As soon as you understand the problem, you will be able to decide whether you can make Craftsman garage door repair by yourself. This information can be a valuable addition to the Craftsman garage door opener manual. To find out what’s wrong with your door opener, use the Craftsman garage door troubleshooting charts below. ![]() Even though these products are usually of high quality, they need repair from time to time. ![]()
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