TROUBLESHOOTINGUP ARROWFLASH(ES)DOWN ARROWFLASH(ES)SYMPTOM SOLUTION4 5 Opener runs approximately 6-8"(15-20 cm), stops and reverses.Communication error to travel module. Check travel moduleconnections, replace travel module if necessary.4 6 The garage door opener will notclose and the light bulbs flash.Safety sensors are misaligned or were momentarilyobstructed. Realign both sensors to ensure both LEDs aresteady and not flickering. Make sure nothing is hanging ormounted on the door that would interrupt the sensor’s pathwhile closing.My garage door opener beeps:l A visual and audible alert that an unattended door is closingfrom a garage door monitor, Craftsman Garage Door OpenerConnectivity Hub, or Timer-to-Close.My remote control will not activate the garage door:l Verify the lock feature is not activated on the door control.l Reprogram the remote control.l If the remote control will still not activate the door check thediagnostic codes to ensure the garage door opener is workingproperly.My door will not close and the light bulbs blink on my motorunit:The safety reversing sensor must be connected and alignedcorrectly before the garage door opener will move in the downdirection.l Verify the safety sensors are properly installed, aligned andfree of any obstructions.My garage door opener light(s) will not turn off when thedoor is open:The garage door opener is equipped with a feature that turns thelight on when the safety reversing sensors have been obstructed.My neighbor’s remote control opens my garage door:Erase the memory from your garage door opener and reprogramthe remote control(s).36