My opener motor hums twice when I use the remote, keypad or wall pad but will not open or close the door. The light comes on though.
SOURCE: How do I code the garage door wireless key pad?
simple ;find the smart button on the opener and pressit ,their will be an indicater light next to the smart button that will remain lit ,then go over to the keypad and put your 4 digit code in example1234 then press enter on keypad and hold down for 3 seconds until garage door opener lightbulbs shut down and come back on , and thats it simple as pie! when the lights go on and off on your machine it,s telling you that it has received the code that you just programmed into it , guaranteed to work everytime , Thank you for letting me help you Sincerely Glenn mayer
SOURCE: I have a craftsman garage door opener (1/2 hp) won't close proper
Check your door sensors. They have probably been bumped. Tweak them until they are pointed at one another and the small light on each one is lit and not blinking.
SOURCE: I have a Craftsman 1/2hp garage door opener, model
First of all check the battery in the keypad. If that doesn't do it your keypad is going bad and needs to be replaced.
SOURCE: Remote Control closes garage door but does not open
It sounds like a case of your keypad losing signal strength enough that it cannot transmit through the closed door. If a new battery doesn't do the job a new keypad will.
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