Question about Craftsman 3/4 Hp Garage Door Opener System Belt Drive Motorhead Only

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How to fix my garage door opener?

Why wont my 3 remotes (hand held & factory in remote)only work to close door ? They no longer work to close door.I did replaced the batteries and reprogramed, craftsman 3/4hp chain driven garage door opener. Attached wired switch still works

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A garage door that won't close via the remotes can be mis-aligned sensors but if that is the case you normally have to hold down the wall switch to force it to close. In my case none of the remotes would close the door. A simple tap of the wall switch would close it every time. In fact, the wall switch always worked normally except that it sometimes could not stop the door in the middle of an open or close. The sensors were aligned. I could tell by the LEDs on the sensors. The remotes would work once if the door was in a position for a long time (hours). Any further use of the remotes failed. The problem was a bad circuit board in the garage door controller. You can buy replacement boards from around $70-$100. I repaired mine. My unit is a LiftMaster 1245R, 41A5021-1C on the back label. These are the same as Chamberlain units.

To remove the circuit board first unplug your controller. Then disconnect the wires on the 3 terminals in the back (the side that faces away from the garage door). Remember which wires went on which terminals. Next there are 4 screws to remove on this back panel. With the screws removed the back panel will be loose but there is a wiring connector on the inside at the top of panel. Simply pull on this connector to separate the wires from the back panel. Now you can take the back panel (with circuit board attached) inside to work on the electronics.

There are 5 screws that hold the circuit board to the back plastic cover. Remove the to get access to the front of the circuit board. Looking at the component side of the circuit board look for capacitor C22. It is a 330uF 35V 85c part. It is the largest capacitor and is located on the left side right next to the transformer. Because it is located right next to the transformer and the transformer gets hot, the capacitor will eventually cook. Mine had a slight discoloration on the side nearest the transformer but otherwise looked normal. I replaced this capacitor, re-assembled the unit, and my garage door now works properly with all remotes.

Posted on Oct 23, 2016

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I'm assuming you mean that it won't close, only open? If that's the case then your eye beams may need to be adjusted. The wall button can override the sensors whereas the remotes can not.

Posted on Jan 20, 2015

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Posted on Jan 02, 2017

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SOURCE: craftsman 3/4 hp garage door opener

not sure, but see the users manual here:

http://www.manualslib.com/manual/32293/Craftsman-139-5399.html

Posted on Mar 10, 2013

swolfinor
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SOURCE: Why wont my 3 remotes (hand held factory in remote)only work to open the door ? They no longer work to open the door.I did replaced the batteries and reprogramed, craftsman 3/4hp chain driven garage d

SOUNDS LIKE SOMEONE MAY HAVE PRESSED THE LOCK / VACATIONS SWITCH ON YOUR WALL CONTROL. IF STILL NOT WORKING AND THE LED IN THE WALL SWITCH IS NOT FLASHING TRY AGAIN TO PROGRAM YOUR REMOTES.

GOOD LUCK

STEVE

Posted on Dec 15, 2014

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1 Answer

Can a garage door opener be reprogrammed so existing hand held remotes no longer work and new ones programmed to open garage door?


take the battery out of the old one and discard
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press the program button in the board then press a button on the new remote and allow the door to cycle up and down
the new remote is then programmed
one press to open and when finished , one press to close

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Why wont my 3 remotes (hand held & factory in remote)only work to open the door ? They no longer work to open the door.I did replaced the batteries and reprogramed, craftsman 3/4hp chain drive


It could be that your door is binding on the way up and so it stops automatically. Try releasing the emergency pull cord and move the door up and down by hand to see if it is binding, probably near the bottom. The track may be misaligned or there could be something rubbing against the door.

Dec 15, 2014 | Craftsman 3/4 Hp Garage Door Opener System...

1 Answer

Why wont my 3 remotes (hand held factory in remote)only work to open the door ? They no longer work to open the door.I did replaced the batteries and reprogramed, craftsman 3/4hp chain driven garage d


SOUNDS LIKE SOMEONE MAY HAVE PRESSED THE LOCK / VACATIONS SWITCH ON YOUR WALL CONTROL. IF STILL NOT WORKING AND THE LED IN THE WALL SWITCH IS NOT FLASHING TRY AGAIN TO PROGRAM YOUR REMOTES.

GOOD LUCK

STEVE

Dec 15, 2014 | Craftsman 3/4 Hp Garage Door Opener System...

1 Answer

Sears troubleshooting


craftsman garage door openers are made by chamberlain.. Give them a call on their 800 number with your craftsman model number and they will help you

Aug 23, 2014 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Factory garage door opener


If this is the 3 button HomeLink Transmitter usually centered overhead above the rear-view mirror, this should work:

While the engine is turned off follow these steps to program up to three channels:
1. Decide which one of the 3 channels (one of the 3 HomeLink buttons) you want to program.
2. Press & hold the desired button through step 3.
3. When the HomeLink indicator light begins to blink slowly(this may take up to 30 seconds), hold your hand-held garage door remote about 1 to 3 inches away from the buttons & then press and hold the button on your garage door remote. Continue to hold both buttons until the indicator light on the HomeLink begins to flash rapidly(this may take up to 90 seconds).

If it still doesn't work, make sure the batteries in your garage remote are not weak, and try again moving the remote back & forth and left & right or turning it upside down while programming.

Also note HomeLink will not work with older garage door openers, especially not with ones manufactured before April 1st 1982.


Feb 18, 2010 | 2005 Buick Rendezvous

1 Answer

Two of my door locks will not unlock w/ remote or inside button.


The door lock actuators or 'solenoids' have failed. This seems to be pretty common on Windstars - I've just replaced a couple on my '02. (Ironically, the original batteries in the remote fobs are still going strong, they lasted longer than the actuators). You can buy third party replacement parts, the front door ones are 'handed' driver & passenger, but a common part will work for both sliding doors. I don't have instructions for removing the door panels, but search online - it's not tricky. The original actuators are riveted in place - you'll need to drill out these rivets. The new actuator can be held in place with a nut, bolt & couple of washers. Replacing these parts isn't too difficult - the first one took me about 1.5 hours, but once I knew what I was doing, the second one took about 0.5 hours. Good luck.

Oct 29, 2009 | 2001 Ford Windstar

1 Answer

Liftmaster garage door openers Model # 3245 (remote Issue)


it is possible that when you programmed the car remotes you erased the pairing between your hand held remotes and the unit. Follow the instructions to pair the remotes again and you should be good to go.

Sep 16, 2009 | liftmaster Chamberlain Garage Door Opener...

1 Answer

I have lost manufacturers manual on my BMW 325ci 2001 model. i only require pages relating to the programing of automatic garage door thank you


NOTE: Some vehicles may require the ignition to be turned on or to the second (or"accessory") position for programming and/or operation of HomeLink. It is also recommended that a new battery be replaced in the hand held transmitter of the device being programmed to HomeLink for quicker training and accurate transmission of the radio frequency. Please use a ladder and do not stand on your vehicle during the programming steps for a rolling code opener.

Rolling Code Programming:
1. Press and hold the two outer HomeLink buttons until the indicator light begins to flash (after 20 seconds). Do not hold for longer than 30 seconds. Do not repeat this step to program additional HomeLink buttons.

2. Place the hand-held remote 1-3 inches from the HomeLink button you want to program.

3. Simultaneously, press and hold both the HomeLink and hand-held remote buttons. Do not release either button until step 4 has been completed. (If you reside in Canada, refer to the "NOTE" below.)

4. When the indicator light changes from a slow blink to a rapid flash, release both buttons.

5. At the garage door opener receiver (motorhead unit) in the garage, locate the"learn" or "smart" button (usually near where the hanging antenna wire is attached).

6. Press and release this "learn" or "smart" button. (The name of these buttons vary by manufacturer.) There are 30 seconds in which to initiate step 7.

7. Firmly press, hold for two seconds, and release the programmed HomeLink button. Do this procedure again and, depending on the make of your garage door opener, do this procedure a third time to complete the procedure.

The garage should now activate when the programmed HomeLink button is firmly pressed and released. If not, give us a call or refer to the "Troubleshooting Tips" noted below. NOTE: If you reside in Canada, replace step three with the following: Press and hold the desired HomeLink button and "cycle" the hand-held remote. To cycle: Press and release the hand-held remote button every two seconds until the indicator light changes from a slow blink to a rapid flash(step four).

Troubleshooting Tips:

** Check the frequency of the garage door opener's hand-held remote (usually found on the back). HomeLink is compatible with radio-frequency devices operating between 288-399 Mhz.

** Put a brand new, store bought battery in the hand held remote. During the programming process (step three above) the battery's energy tends to drain (more so with an older battery). A new battery will increase the speed and accuracy in which the hand-held remote sends its signal to HomeLink.

** Retrain HomeLink holding the hand-held remote at different lengths and angles from the HomeLink button you are trying to program (during programming step three). Try 4-6 inches away at a different angle.

** Confirm that the HomeLink button you are trying to program is in the "programming mode". Press and hold the desired button. The indicator light will be a slow blink when HomeLink is in the "programming" mode and can be programmed at any time.

Verifying HomeLink has picked up a rolling code signal:

** Press and hold the programmed HomeLink button. If the indicator light blinks rapidly for two seconds and turns solid, HomeLink has successfully picked up the rolling code signal. If necessary, proceed with steps 5-7 noted above to complete the rolling code programming.

Sep 09, 2009 | 2001 BMW 325

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