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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 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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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.
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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

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