Question about Chamberlain 12HP Power Drive Chain Drive Garage Access System

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Installed a new gargae door Now i cannot get the

Installed a new gargae door Now i cannot get the door opener to work to make the door go down. Doubled checked the electric eyes. Things seem ok. What else can I do thank you

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The laser eyes have to go on in a certain way. One of the eyes can not be where it will get direct sunlight. I had one that would not work in the summer about 1:00 pm when the sun was shining in it just right. I would not have any problems in the winter. If you can try to switch sides with the eyes.

Posted on Aug 01, 2010

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1 Answer

My gargae door will not stay down


Can you provide more details? Is this when you are using the garage door opener?

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Is the GTO-Mighty Mule gate opener compaticle with 2012 Chevrolet Silverado Universal homelink?


Its kinda hard but if you follow the info in the owners manual for your truck it works. It is not rolling code like a gargae door this is a dip switch on or off .

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Lift master gargae door opener only will close when you hold the remote button till it closes


Check the door sensors. Make sure they are pointed at one another and the small light on each one is lit and not flickering. Tweak them a little. If you cannot get both lights to come on you have bad sensors.

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1 Answer

How do i set the gargae door opener i have a 1996 olds aurora


The process to do this is usually explained in the owners manual.

Apr 11, 2010 | 1996 Oldsmobile Aurora

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Have a Craftsman 1/2 HP auto gargae doors. Lost power during a snow storm. Once power was reconnected only thing that did not work was garage doors. Is there a reset button somwhere....can't see one.


There isn't a reset button. Check the house circuit breaker. You may have had a power surge and that can damage the logic board printed circuit. Check the logic board for missing or burnt traces especially around the small transformer.

Feb 14, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Gargae door sounds like it opens but nothing happens


if the door is not opening and you hear the motor turning you have shreded the gear inside the opener it's only made of plastic. you can check this by taking the cover off and you will see a bunch of white dust. gear gone you can replace this gear.

Mar 20, 2009 | liftmaster Chamberlain Garage Door Opener...

1 Answer

Sears garage door opener problems


We had the same problem.  open the unit and checkt the connections.  we had a few loose wires and every time there was a vibration whether a low flying plane or a truck nearby the door went up.  My husband found a few of the wires had loosened up.

Jan 05, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have a gargae door that goes down only not up. Plus when it goes down it stops at the bottom and retrives 6 inches back up.


Check to make sure that the garage door is balanced. Sounds like the springs need to be adjusted and the travel limits need to be reset.

Dec 30, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My sears gargae door opener quit working with the remotes.


Took the side off and blue off the board, and re-connected all the wires and conections. It then started working again.

Dec 08, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Gargae door remotes dont work


AS SILLY AS IT MAY SOUND , DO THIS CHECK ,ALL OF THE NEUTRALS FOR THE MICROWAVE AND RANGE ,THESE ARE THE WHITE WIRES CONNECTED IN THE PANEL AND IF THE RANGE IS SEPARATE IT WILL BE THE BARE OR WHITE OR UN INSULTED ONE DEPENDING ON THE AGE OF THE WIRING OF THE HOME , HERE'S WHY PARTLY OPEN NEUTRALS GENERATE RF OR RADIO FREQUENCY WAVE , USUALLY THESE DO NOT BOTHER EQUIPMENT BUT THIS IS NOT ALWAYS THE CASE IN MY TIME I SAW A OPEN NEUTRAL SHUT DOWN A HOLE BAY IN A HUGE COMPUTER SYSTEM AND CHARGED 10K DOLLARS TO TELL CUSTOMER TO BUY A NEW FLOOR BUFFER , WORTH A LOOK SEE , PS MAKE SURE WIRES ARE TIGHT AT THE PANEL AND @ THE RECEPTACLE THAT POWERS THE DOOR AND ALL POINTS YOU EVEN THINK IS PART OF THE MICROWAVE /RANGE CIRCUIT

Oct 24, 2008 | Sears Craftsman LiftMaster Chamberlain...

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