Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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Lack of range on Garage door remote

Remote will not activate garage door unless within 2 feet of the antenna. Hardwire button and electronic eye works fine.

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There is a short wire hanging down from the back of the opening motor -- pull this down as far as you can and bend it so it is pointing toward the garage door. This wire acts like an antenae.

Posted on Dec 30, 2008

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I have a Clicker universal Garage door opener remote control Model KLIK1U. How can I increase the range to open the door? Currently, I have to be within 10-15 feet of the door opener to operate. I have...


Check the antenna on the motor. It is usually a single thin wire. There also could be something nearby that is causing interference to the unit and it wont pick up the signal till the transmitter is close enough to overpower the interference.

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The range for the remote openers (4) for mu Liftmaster garage door opener has decreased to the point of having to be within 6 feet of the door to open it. The liftmaster was installed 5 yrs ago. The...


There is an antenna extender kit available for your opener. The part number is 41A3504 and should be available from any good door opener company that handles Liftmaster or Chamberlain. It should come with instructions.

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I have a 1/2 hp Sears Craftsman Garage Door opener about 18 months old when operating the remote within 5 feet or less of the opener the opener works properly. Upon exiting the Garage about 10-12 feet away...


The difficulty is determining if your remote or the receiver is bad. If you have another remote that works as it should then it is the remote. If you just have the one remote there is no way to tell which is bad.

Jul 16, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My Craftsman remote won't close my garage door


If the remote opens and closes while inside the garage but not outside , there are a few things it could be. Assuming it was working fine before..
1. weak battery in remote.
2. remote itself could be bad. (unless you have more than 1 remote acting the same)
3. Logic board in opener is going bad causing limited range.Is the wire that hangs down from the opener straightened out? That is your remote antenna.Some people have coiled or even cut it off..reducing range.
4. Less likely but this can happen- interference from another electronic device, wireless routers, cell phone, new appliances etc.. can reduce remote range. Any new electronics recently purchased?

Jan 28, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door remote controls with a very short range


Sounds as though you have interferance from an object close to the antenna of the receiver. Check for obstructuctions and or other electronic signal producing items that may cause an override of your signal.

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Craftsman 1/2 HP Garage Door opener problem


The remote and the keypad work through a signal sent to the receiver while the wall console, as you said it's wired directly to the opener, so it's likely that the receiver is shot. I'd try reprogramming the remote to just rule out the chance that all code wasn't erased first. (Press the learn button on the back of the operator head, stand back 5 feet and within 30 seconds slowly press the remote button a few times to see if it operates the opener). If this doesn't work, you can install an external LiftMaster universal receiver with the correct frequency and you should be good.
If there's a purple antenna hanging off the head, this is a 315 freq, use a 356LM, if black it's a 390 freq, use a 635LM receiver.
Then you'll have to reprogram your remote and keypad to the receiver.
Since there's also the issue with the light, there's also a possibility the circuit board got fried. Did you have any storms lately?

Aug 07, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Having trouble setting garage door opener to my 2004 trailblazer


1. Position vehicle within 10 feet of garage door- engine off and battery on.

2. Press/hold 2 outside buttons of Homelink transceiver until red indicator starts flashing rapidly, then release button. This should take about 20 seconds. This erases any previously learned codes.

3. Press/hold remote control and press/hold button of Homelink transceiver simultaneously. Slowly move remote control from 5" away to 1" away from Homelink transceiver. Release both buttons after red indicator starts blinking rapidly. This should take about 5 seconds. I discovered that the Homelink in my TL is a bit faulty because it took much longer to accomplish this than when programming the Homelink in my MDX. My TL's Homelink may "unlearn" it's code in the future and the needed proximity of the TL to the garage door may be much closer than desired until I get the Homelink fixed.

4. Press training button on garage door opener unit until the indicator lights illuminates- this should be immediate.

5. Within 30 seconds press/hold the Homelink button for 2-3 seconds until the red indicator starts flashing rapidly. Repeat a second time. It should now be programmed. Check it by pressing the programmed button on the Homelink receiver.

6. When programming more than 1 garage door opener unit, disconnect power from unit before programming more units. By not doing this the programmed unit could conflict with the unprogrammed units commands.

Problems:

1. The Battery in the garage door remote may be too weak to program Homelink. However, the battery may be strong enough to operate the garage door. One of my remote controls had a weak battery- my system was installed today, fresh out of the box. I had to use the second remote control for the programming of Homelink on my 2 vehicles.

2. Antenna on the garage door opener unit must be hanging down, fully extended.
source:chalkstar100 (fixya mate)

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Mar 07, 2009 | 2004 Chevrolet TrailBlazer

2 Answers

Remote garage door opener


1-800-355-3515
www.homelink.com

1. Position vehicle within 10 feet of garage door- engine off and battery on.

2. Press/hold 2 outside buttons of Homelink transceiver until red indicator starts flashing rapidly, then release button. This should take about 20 seconds. This erases any previously learned codes.

3. Press/hold remote control and press/hold button of Homelink transceiver simultaneously. Slowly move remote control from 5" away to 1" away from Homelink transceiver. Release both buttons after red indicator starts blinking rapidly. This should take about 5 seconds. I discovered that the Homelink in my TL is a bit faulty because it took much longer to accomplish this than when programming the Homelink in my MDX. My TL's Homelink may "unlearn" it's code in the future and the needed proximity of the TL to the garage door may be much closer than desired until I get the Homelink fixed.

4. Press training button on garage door opener unit until the indicator lights illuminates- this should be immediate.

5. Within 30 seconds press/hold the Homelink button for 2-3 seconds until the red indicator starts flashing rapidly. Repeat a second time. It should now be programmed. Check it by pressing the programmed button on the Homelink receiver.

6. When programming more than 1 garage door opener unit, disconnect power from unit before programming more units. By not doing this the programmed unit could conflict with the unprogrammed units commands.

Problems:

1. The Battery in the garage door remote may be too weak to program Homelink. However, the battery may be strong enough to operate the garage door. One of my remote controls had a weak battery- my system was installed today, fresh out of the box. I had to use the second remote control for the programming of Homelink on my 2 vehicles.

2. Antenna on the garage door opener unit must be hanging down, fully extended.

Oct 11, 2008 | 2003 Acura MDX

1 Answer

Remote problem


You need to replace your reciever

Sep 13, 2008 | Sears Craftsman LiftMaster Chamberlain...

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