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47 views

Installing a “key cylinder” to open and close the garage door

I have a Chamberlain LiftMaster Professional Garage Door opener (June 2007) with a wireless keypad to open the door but does not open consistently in cold weather. I would like to install a hardwired "...
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2answers
109 views

Garage door opener makes noise but doesn't move

My Craftsman 139.53515SR - I/2HP garage door opener has worked fine for many years. For no reason that I can see, it stopped opening or closing the door yesterday. When I push the button to raise or ...
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2answers
132 views

Why does my garage door opener only click when the button is pushed?

My Quantum 3213 garage door opener only clicks when I hit the main button in the garage. The light comes on for 30 seconds or so, and then it blinks on and off. I've checked all the safety mechanisms:...
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1answer
39 views

New garage door opener belt sags when opening

I recently replaced our chain driven garage door opener (which functioned fine for 9 years) with a Chamberlain MyQ opener which runs off of a belt, instead. It was nearly a direct swap and all works ...
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1answer
46 views

Garage door opener remotes suddenly open incorrect door

Both my remotes stopped working today. The wired wall button still opens the door. If I click my remote button multiple times, it opens the other garage door. Both openers are craftsman and the one ...
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0answers
29 views

Is there such thing as short range only garage door opener?

Is there such thing as short range only garage door opener/remote? My opener can open the garage from the 3rd floor when I live and it bugs me that the opener might be pressed accidentally and it ...
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0answers
61 views

Why do garage remotes revert to billion code?

According to the LiftMaster troubleshooting guide, one common problem is that a Security+ remote reverts to billion code technology. What causes this, and is there any fix? One of the remotes may ...
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0answers
326 views

New garage door opener, can't push door down, rail buckles up instead

I've installed a new garage door opener after my old one just stopped working. It's a Genie PowerMax 1200 I followed the instructions to a Tee. I have a solid door instead of a paneled door, so I ...
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61 views

B&D Roller door control motor 433MHz is able to be activated with other electronic devices, how can this be stopped

My Controll A Door can be activated by another item that emits a 433MHz frequency. Is it possible to upgrade the control motor with a new micro chip with another frequency instead of replacing the ...
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7 views

My Liftmaster (1999) garage door opener just hums won't open door

My Liftmaster Model 976 LMC Security (1999) garage door opener just hums will not open the door. The chain is okay and on the top gear as it should be. The door is wide door for a two car garage and ...
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0answers
18 views

Garage door opener won't stop opening due to lack of mesh, why?

A piece in the gear set of my garage door broke, so I installed a replacement drive train. However, after putting everything back together and trying it, the chain ran into the limit at the top (open)...
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0answers
14 views

How can I make the Garage Door Butler Automatic door closer work with my “newer” opener

Trying to add the Garage Door Butler automatic door closer (with a second wired button) to an Overhead Door brand Odyssey 1000 with codeblocker technology. I understand that most newer garage door ...
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0answers
13 views

Garage door sensor problem- (Liftmaster Formula 1 model 1280R)

Trying to fix problem for elderly neighbor. The sensors don't work if mounted where they should be. I've removed them and wired them directly to the drive unit. They work there. The wires running ...
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0answers
32 views

Replacing Wayne Dalton garage door switch

My Wayne Dalton garage door switch is flaking out. Will not always open. I bought a universal Liftmaster replacement. The manual refers to a white and a red/white wire which seems to be the standard. ...
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0answers
47 views

Retrofitting a remote opener into a garage-gate motor

Our garage door is already powered, but to initiate the opening (and closing) of the gate, one must get inside the garage and push one of the three buttons: Open Close Stop How hard would it be to ...