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

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Hi! I recently bought two elderly Merlin Powerlift units. The 2600P has two terminals on it that I have connected to a push (to connect) button to control it. Works fine. However the 2500L unit has a five pin plug on it; can I connect up a similar button to it to control it manually? Which pins? Or does the manual control do something fancy?! Thankyou for your help! Cheers, Chris

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Hi Chris. go to sears parts direct. Enter the model number and you will get access to schematics, owner manuals etc. for that model. J

Posted on Sep 12, 2010

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Have Just Purchased a D.I.Y.Chamberlain PowerLift Plus ,Can i Connect old Hard wire Operating Switch to this unit


The old eye beams and controller may or may not work. The remotes definitely will not. If they do, they will probably cause problems over the long run. Best thing to do is to go ahead and replace them. But if you like the old button, give it a try. Some more basic older ones will work, you just may lose some of the features like door lock or light control.

Feb 18, 2015 | Building Materials

1 Answer

My merlin 2600p over travelled and stooped driving the chain loud bang like a shear pin breaking


more than likely you have broken the item designed to protect the machine. Look for a hole in the hub of the sprocket as it was probably a shear pin try turning over the shaft until you can see the hole to knock out the broken bit. It may also be a key in the key way.

Apr 21, 2013 | Home Security

2 Answers

I have a Merlin Powerlift 2500L that opens and stops half way. When disconnected from the door, the release rod travels the proper distance. However, when the door is connected, its upward movement stops...


Release the door from the opener and operate it by hand. Check for binding and excess heaviness of door. You may also need to increase the up force. Heaven only knows where it is on a Merlin.

Sep 02, 2011 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

I have a Merlin Powerlift model 430R roller door. The battery went flat in the remote and I replaced it. Now the door will not work via the remote.Works ok from red button on unit. I have tried to reset...


If the LED is flashing rapidly when the button on the remote is not pressed you have interference from something. Check for old remotes stored in a drawer somewhere or some new electric item nearby. Start unplugging things until that rapid flashing stops.

Apr 24, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Hi. I have a 4 panel door 2.2 by 4.5 meters. The lift unit is a merlin 2600P. What is the correct door "float" requirement when fully down.Should it want to rise of its own accord or should it...


You do not want the door to start to rise on its own. If you manually raise the door at some point between belt and shoulder high it should stay there. If it does it is properly balanced. If it starts to rise or fall it needs adjusting or maybe new springs.

Apr 21, 2011 | Sears Craftsman LiftMaster Chamberlain...

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How many lines does the at&t bis-10 phone have?


It depends on how the control unit is programmed. The BIS 10 can't be used as a stand-alone phone (as in....you can't connect it directly to a telephone line).

The BIS 10 will work with the following systems:

AT&T Merlin 206
AT&T Merlin 410
AT&T Merlin 820
AT&T Merlin 820D2
AT&T Merlin 1030
AT&T Merlin 3070
AT&T Merlin II (with the proper modules installed)
AT&T Merlin Legend (with the proper modules installed)

Jan 27, 2011 | AT&T Merlin BIS 10 Phone

1 Answer

Will the AT&T Merlin BIS 10 Phone work on my home phone line? I work from home and love this phone, but need to know if it will work with a regular phone cord to the jack. Thanks!


No.

The BIS 10 and related telephone units need to be connected to one of the following AT&T Merlin telephone systems:

AT&T Merlin 206
AT&T Merlin 410
AT&T Merlin 820
AT&T Merlin 820D2
AT&T Merlin 1030
AT&T Merlin 3070
AT&T Merlin II (With the proper modules installed)
AT&T Merlin Legend (With the proper modules installed)

Oct 20, 2010 | AT&T Merlin BIS 10 Phone

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I have a Merlin powerlift-model 2500L Garage door and cannot find the Learn Button to program my new remote. Please help...


This is a foreign design but here is what the instructions say to do.

Remove the light cover then remove the colored plastic rectangle strip located underneath. This will reveal a red Learn/Delete? button. 1. Push Learn/Delete button for 2 seconds the lamp will blink continuously to alert you that it is in Learn Mode. 2. Push the big button on your remote for 2 seconds 3.Push the little button on your remote for 2 seconds Minimum of 1 second is required between each action Your remote will now operate with your motor b) Overhead Doors Remove the coloured plastic rectangular strip located next to the Merlin label on the front of the motor. This will reveal a red Learn/Delete button. 1. Push Learn/Delete button for 2 seconds the lamp will blink continuously to alert you that it is in Learn Mode 2. Push the big button on your remote for 2 seconds 3. Push the little button on your remote for 2 seconds *Minimum of 1 second is required between each action Your remote will now operate your unit. Thanks BB

May 21, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Need user or product manual


Wow, an oldie for sure. An SP-34 is a non-speakerphone (but monitor speaker) 34 button non-display terminal for a Merlin system. It's not exactly that easy, because the system it's connected to might not be what I would expect, but try this for size.
http://public.carl.airpost.net/Avaya/MERLIN_PLUS_UG.pdf

It gives you the basics and the codes should all be correct. If they don't work, you need to find out what model your cabinet is in the back room and post back, but the timing is right for a Plus.

Carl

Mar 10, 2009 | AT&T Lucent Merlin SP 34 Phone

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