Question about liftmaster Lift Master 377LM 376LM 315 MHz Garage Door Opener Wireless Keypad
Remote opener has been lost or stolen need to change code on opener and remote
If you have a 315MHZ LiftMaster Garage door opener do the following:
Follow the purple wire (Antenna) up and you will see a square purple button.
Press and hold the square purple button for ten seconds until the amber led goes out.
Press and release the purple button one time (The amber led will come on solid).
Press and hold the button on the garage door opener remote control for two seconds (The light bulb on the garage door opener will blink and you will hear a click sound the amber led will go off).
to program the wireless keypad do the following:
Press and release the purple button one time (The amber led will come on solid).
Enter a four digit code into the keypad then press and hold the enter button for two seconds (The light bulb on the garage door opener will blink and you will hear a click sound the amber led will go off).
Posted on Aug 21, 2014
Pull the emergency release cord and lock the trolley open.
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SOURCE: garage door will not close when using the remote
Check to see if your child/animal security beam is working correctly. It is an "Electric Eye" mounted about 12 in off of the floor on two mounting points and one side shoots an infra red beam across to a receiver. These points must be reasonably aligned to flash a beam (cannot see) from one point to another. This beam keeps the door open if it is interrupted . If it is not aligned, then the door opener sees a problem and will not close the door electrically. You must aligned the beam by bending the transmitter or receiver untill you can close the door by the remote. Also check to see if something placed in the garage is not blocking the beam first.
Posted on Jan 06, 2011
SOURCE: have a 2006 Liftmaster professional 1/2 h.p garage
The opener should have an antenna wire hanging out of it. Did someone/something hang on it?
Posted on Feb 26, 2011
SOURCE: The remote opener in my far works, but the garage
Perhaps the wall opener control needs to be accepted by the opener, press the button on the opener head unit and then press the wall switch. Consider new batteries before you do so.
Posted on Mar 04, 2011
SOURCE: the garage Remote control was working normally at
It could be the garage door motor that is acting up. Try closing it with the button in the garage. If that's not the case, you may need a different garage door opener.
Posted on Jun 06, 2011
SOURCE: lift master cablesi removed the cables and doors
Please do not attempt to set the tension your self. Call a garage door service Co. Broken arms and fingers result. It is not worth the attempt. Those tension spring do all the lifting of the door and have to much torque to mess with.
Posted on Jul 29, 2011
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