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Merlin powerlift 2500l

Garage door randomly opens... Is it possible that a neighbors remote is sending a similar signal? Or can i turn off the receiver and install a new receiver remote kit that uses a different signal?

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Check your own remotes ! If you have an extra in a junk draw every time you open and close the draw you can possibly have something bump up against one of the buttons and with their sensitive buttons they can easily be triggered.....I had a customer that was happening to her . Another situation could be leaving a remote in a pocket or purse ...again these buttons don,t need much to send a signal to your opener without you even realizing it! Another situation I have seen is a neighbor having the same age machine as you ..the frequency transmitting signal has changed over the years because of interference from other remotes or microphone signals such as police radio,s ..ambulance...fire stations all use these frequencys , also local airports and private planes all transmit these signals ...even your neighbors remotes were a problem until they came up with rolling code technology , if you have this then you should not have any interference from any outside signals and you probably have a remte laying around that's getting bumped ! If you and a neighbor have similar machines from earlier then 1985 then you probably have a garage door opener with dip switch technology ....On the dip switch settings you have to set your own code but most people had them installed straight out of the box without any code changing and left the factory settings to 0....Well most likely your neighbor also did not change from the factory settings and that can be another scenario....These are all things I have seen as a garage door mechanic and could be possible scenario,s for troubleshooting your problem , Hope I was able to help you but if all else fails then definetly go with a new receiver kit because it would definetly have rolling code technology

Posted on May 13, 2014

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1 Answer

Garage door opens randomly


Steve, If you have a remote door opener, change the code, as one of your neighbors may have their door using same code. Also make sure there is nothing hanging or blowing in front of sensor lights.
below are links, how to.
press the helpful button

How to Program Garage Door Remote Change the Battery Craftsman 315

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How to Adjust Your Garage Door Opener Travel and Force


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How to program a remote control for Merlin Garage Door


Each manufacturer of aftermarket remotes for Overhead doors has a specific sequence for a specific door opener mfg and model #. And those sequences are include in the printed matter in the packaging of the remote. If you have Merlin remote and Merlin opener contact the local Merlin installer for the sequence.

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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...

1 Answer

Can I get a replacement remote control for a Merlin Powerlift roller door model 2500L 1/3 horsepower


Check out this site.

http://www.retro-remotes.com/apps/webstore/products/category/365891

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1 Answer

Where can i buy a remote to suit a merlin 2500l elect garage tilt a door. thanks,bruce sydney nsw


Go to this website mate.

http://www.chamberlainanz.com/index.php?option=com_content&task=section&id=4&Itemid=81

Mar 28, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Our remotes (2 for the car and a keyless entry) stopped working. We erased everything (and checked to make sure our remotes weren't working) and reprogrammed all remotes. They work, but our neighbor's...


Make sure your neighbor doesn't have a remote with a sticking switch. Often times a person will stick an extra remote in a drawer and then place something on it that holds the button down. Try programming your remotes this way just in case you didn't.

Press and hold the button down on the remote while you press and immediately release the smart/learn button. Sometimes it can help if you are in the garage when you program your remotes this way and it will drown out any distant signal.

Nov 20, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

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...

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