Questions tagged [garage-door-opener]

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Troubleshooting Craftsman Garage Door Opener - Won't Close

Craftsman 41AC150-1M, 1/2 HP chain drive. Opens OK but when closing it will go some random distance then the light will go off for a split second and power to the chain drive will be cut. The door may ...
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0 answers
43 views

Garage door opener get stuck sometimes

My garage door opener get stuck sometimes, it gives the sound it is going to close the garage door then it rolls back a little then stops. Another push to the remote and same thing happens, it tries ...
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  • 519
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1 answer
64 views

Wiring Genie garage controller with GoControl Z-Wave module

Issue Which pins on the Genie's garage controller should I connect Z-Wave module's cables? Background I'm installing Z-Wave bind module for Genie's garage controller. Section 7 in the Z-Wave module's ...
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  • 145
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0 answers
33 views

Garage door opener connected to garage door motor PB terminal randomly stops working

I have smart garage opener (iSmartGate) and it is correctly connected to my CSI Classic garage door motor using a wired connection. Once the smart opener is restarted it works flawlessly for a few ...
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1 vote
4 answers
1k views

Troubleshooting Craftsman 1/2HP garage opener with 5 blinking lights

After opening the garage door just once yesterday it wouldn't close. What I've tried w/o success: Clearing obstructions. Realigning sensors. I know its not sensors because when I purposely misalign ...
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  • 457
1 vote
2 answers
104 views

Release rope opens garage door but not the opener or door arm

We have an automatic garage/overhead door that has suddenly stopped functioning properly. There is a "release rope" with a handle that hangs down a few feet and when I pull that, the door ...
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0 votes
4 answers
117 views

Garage door fingerprint reader - opener compatibility issue with old hard-wired opener button - retrofit possible?

I want to connect a Chamberlain 942FP / 379LM fingerprint reader garage door "keypad" to a Chamberlain B750T (I think a.k.a. B750) opener. Unfortunately the fingerprint reader is much older ...
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5 votes
3 answers
841 views

Garage door alignment

My sectional garage door doesn't seem to be aligned correctly. The springs are at the rear, like this: There's a scraping noise when operating that seems to be coming from the left cable drum. The ...
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  • 221
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1 answer
104 views

Electric garage door (Garador Garamatic 20) won't 'learn'

Possibly a very specific question only related to people with experience of Garador electric garage door openers. My garamatic 20 failed today. One of the wheels in the up and over door came out of ...
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  • 221
2 votes
2 answers
120 views

Garage door opener won't work with remotes when light sockets are on

This anomaly is occurring on both of my garage door openers, and began about the same time. One of them also stopped working at all after about a month, and I had to replace the motor start capacitor ...
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2 votes
3 answers
290 views

Do I need a ground wire for garage door opener?

I am replacing a garage door opener that is hardwired. I have disconnected everything and inside I have three wires black, white, and red. My original plan was to wire up an outlet. In the past when I ...
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1 vote
2 answers
145 views

LiftMaster remote not linking to Genie Garage opener/controller

Googling "liftmaster remote for genie controller", I do find lots of pages about "Genie remote, Liftmaster garage opener", but I haven't come across any info for the other way ...
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2 answers
121 views

What surge protector should be used for various home electronics/appliances? [closed]

A- How do I choose the right surge protector for a garage door opener? I recently experienced the effect of a power surge after a lightning and lost a few items. So my question is how to prevent ...
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0 answers
58 views

Zigbee garage door button

I have that most basic of garage doors with that simple button (that looks like a doorbell) to open/close it. I’m looking to replace that button with a zigbee one for remote control. But I haven’t ...
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0 votes
0 answers
90 views

Liftmaster garage door opens fine from remote but won't open at main button

My main button doesn't work by the door but my remote is working fine to open and close my garage door. I took off the main button and touched the wires together it still didn't work. The button has a ...
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0 votes
1 answer
66 views

Garage door opener works with remote but not switch

I have a 20-year-old Python Garage door opener. Worked fine. I decided to add an additional "push-button" dry contact relay to the mix so I could operate it with my phone. After unplugging ...
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0 votes
1 answer
66 views

LiftMaster garage door stopped closing

I have a LiftMaster 1/2 HP from 2004 (sorry, don't know the model offhand). Just yesterday it started exhibiting this behavior: Opening the door works fine. When closing the door, it will travel 90% ...
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4 votes
2 answers
2k views

How to remove a single remote from liftwaster garage door opener

I have a garage door with a red auto-learn button that is used by several people. I would like to remove a single programmed remote from the opener without deprogramming all the other remotes that are ...
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0 votes
1 answer
40 views

Is there spring tension on this garage door part?

We have bedrooms above the garage and I am trying to reduce the noise from the garage doors. I have installed a vibration isolation kit like this on the opener/motor, which already made a huge ...
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0 votes
1 answer
341 views

How can you program a Liftmaster garage door opener when there is no "B" button?

According to the Liftmaster manual, to program the garage door opener, which is required if the LEARN BUTTON was held down 6 seconds or more and ERASED the stored code, one must: Remove the cover ...
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4 votes
2 answers
626 views

How to change battery in garage door keypad?

One of the keys on the keypad for my garage door somehow got a key stuck temporarily and drained the battery. That was easily fixed, but now I am trying to replace the battery. The pictogram seems ...
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2 votes
1 answer
227 views

Craftsman HBW0777 garage door opener does not close door - light does not flash

I was given a garage door opener from 1994. Model number HBW0777. The case says Craftsman on the side, but I'm sure this unit is actually made by Chamberlain. It appears to be in decent condition, the ...
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3 votes
2 answers
9k views

"Press the push bar to activate control" message on Chamberlain or LiftMaster wall control panel

My Liftmaster or Chamberlain garage door wall unit reads "Press the push bar to activate control" but doing so does nothing. The door won't open by the wall unit, but will open from all ...
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0 votes
1 answer
154 views

Lost garage remote control

I lost the only remote control I had for my garage box. Normally I should be able to open the garage with a key and a cylinder lock. But when I bought this apartment (with this garage box), the ...
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0 votes
0 answers
53 views

Garage door won't close in cold weather

My garage door works perfectly when it's above 45 degrees. As it gets colder I have to hold the wall mounted master garage door opener/closer in to have the garage door close. It opens fine. I've ...
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0 votes
0 answers
38 views

How do fix a garage door opener that only briefly hums when activated?

I have a Lift Master garage door opener that is a quarter of a century old. Several years ago, I serviced the motor by replacing a worn out cog that appears to be constructed from some plastic ...
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1 vote
1 answer
2k views

Ok for garage door chain to sag on one side when door is closed?

I noticed today that the chain on my garage door seems to droop a bit on one side when the door is closed. I feel like I would have noticed if it was always like this (new unit, about 1.5 years old). ...
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0 votes
2 answers
152 views

Garage door immediately reversing when trying to close

I have a Ryobi garage door opener. It's been working fine until recently when trying to close it. The opener will try to close when pressing the button but then immediately reverse back open. I don't ...
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0 votes
3 answers
519 views

How does a garage door motor wall control on a two wire circuit determine between door control and light control?

I am trying to recreate the garage door wall switch (making a custom assembly that has two buttons to toggle the door and toggle the light). The first thing that I am attempting to understand is the ...
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0 votes
0 answers
57 views

Garage door remote has intermitted problem opening and closing

I have a Chamberlain LiftMaster and multiple remotes which are working intermittently. The garage opens fine from the wall control, however when I pull out of the garage and use the remote it will not ...
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0 votes
0 answers
56 views

What is this button/switch by Garage door connected garage opener

Moved into this house last year , Trying to figure out what this button does ? the white wire goes to garage opener. . Tried pressing it while the garage door is opening/closing ,nothing happens.
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2 votes
1 answer
304 views

Detecting voltage at garage door opener control panel wire

I've removed our previous 20 year old garage door opener and am installing a new one. I'm now at the step of wiring the new control panel to the wall. The garage is finished, and the old control had ...
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-1 votes
2 answers
86 views

Buying new remotes because of a LiftMaster failure?

We have a LiftMaster model system installed in our parking garage, which seems not functional anymore. A service technician determined that the motor has failed. We received then two options: 1) ...
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0 votes
1 answer
110 views

Garage roller door motor not stopping when closed

I just replaced two broken straps on my roller garage door. They look like below (when not broken). Everything went well (tested with manual crank up and down etc..) but then I closed the door fully ...
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1 vote
1 answer
226 views

Garage door trolley no longer attached

The trolley on our garage door is no longer attached to the garage door opener track (with the operator) and the arm is hanging loose. I wasn't there when the trolley fell off the track, but was told ...
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0 votes
0 answers
248 views

How to reverse the travel to an craftsman garage door opener model 139.57918 1 HP

I install the Craftsman garage door opener and is working fine except by the thing that when the garage opener “Open/Up” it close my gate and Vice-versa. This cause to me a security malfunction with ...
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0 votes
1 answer
88 views

Garage Door Opener, Power to Motor Will Not Turn Off

I have a Craftsman model 139.53600 garage door opener. While closing the door, the motor did not turn off and jammed the trolley against the trolley stop. The motor hums, gets hot, shuts off, cools ...
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2 answers
234 views

Multiple LiftMaster 882LMW

Can two LiftMaster 882LMW multi-function control panels be wired in parallel? Has anyone looked at the PCB to see what it is populated with? The opener is a LiftMaster 8365W. Thank you.
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673 views

Chamberlain belt appears too long

I bought a Chamberlain B750, but the belt appears to be several inches too long and will sag significantly when connected. Is this normal? Do I need to shorten the belt somehow?
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0 votes
3 answers
941 views

Replacment remote for an older garage door

I have an older Lift-A-Dor garage door opener. The remote is no longer working. The remote model# is RC-10. The garage door lift is model# LD100. Where do I purchase a replacement or is there a ...
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0 votes
1 answer
489 views

Garage door arm ripped out of door

The other day I hit the button to open the door on my way out of the garage to grab something. In my haste, I had forgotten that I had the door slide lock engaged still. As a result, before I could ...
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3 votes
4 answers
931 views

Garage door opener will not close unless the wall button is held

I do not know if this could cause the problem or not but it is hooked up to an extension cord (not sure what size). There are two garage doors plugged in with extension cords. One is working but it is ...
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0 votes
2 answers
774 views

How to mount header bracket for garage door opener to concrete wall?

The anchor of the header bracket securing the garage door opener's rail to the concrete wall above the garage door came loose over time and with vibrations (details in a previous question). What is ...
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1 vote
3 answers
642 views

What kind of bolt is this? (securing the garage door opener rail to the wall face)

It was used to secure the wall mounting bracket of the garage door opener's tee rail to the concrete wall of the house above the center of the garage door opening. The bolt was inside an expanding ...
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  • 241
0 votes
2 answers
149 views

Can I use a larger garage door motor as a substitute for proper springs?

I have a wooden garage door which is very old and heavy. The cable is broken. A spring was broken sometime back and I got the spring replaced with a new one. The guy did a poor job and the spring does ...
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1 vote
0 answers
132 views

What is this 'wall box' port on my garage door opener?

The back of my Boss OL4 garage door opener has a square port with two pins labeled 'wall box' - see top of page 11 in the manual here. Thing is there are also separate terminals for a push button to ...
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0 answers
204 views

Replaced Safe-T-Beam on Genie Garage door opener, now I have no power

I replaced the Safe-T-Beam sensors on my garage door opener because of periodic issues with the door not closing. Now I have no power from the unit (SilentMax 1000). I tested the outlet and it has ...
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1 vote
2 answers
91 views

Garage door opener seems jammed

This is a relatively new opener, we've only lived in this new build house a year and of course the opener is out of warranty. First it kept trying to drive itself when it was already down and wouldn't ...
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1 vote
4 answers
14k views

Can I reuse the garage door rail when replacing the garage door opener?

I have a chain drive garage door opener. The sprocket on top of the garage door opener broke off so the chain isn't connected to the garage door opener anymore. I want to re-use the garage door rail ...
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21 votes
6 answers
6k views

Car in driveway is source of garage door opener interference

It has been determined that the car parked in my shared driveway is interfering with 2 other condos. The garage door company is sure it is coming from my car which has been parked there for years. ...
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