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The new 889LM replaces the 888LM wall mounted garage door control. The 889LM is designed to upgrade compatible units to Sec+2.0 technology. The following is a list of features and benefits of the 889LM Smart Control Panel.
Works with ANY LiftMaster Sears Chamberlain Access Master Master Mechanic Formula I True Value True Guard and Raynor Garage Door Opener Manufactured after 1998 using a red-orange yellow or purple learn button.
Replaces existing control panel and attaches to existing bell wire. Menu-driven panel gives you complete control of the garage door opener
Easily view inside garage temperature time and system diagnostics equipped with the Maintenance Alert System to help keep your system in peak working order
On-board programming capability makes it easy to program remote controls and MyQ enabled accessories and adjust settings
Timer-To-Close feature allows the door to automatically close after a pre-programmed number of minutes
Light button to control the garage door opener work lights
Choose from English Spanish and French
Displays Fahrenheit and Celsius
Compatible only with Security+2.0 garage door openers
Safety and Security Features
Posted by Steven B on Dec 7th 2021
Our existing one that came with the install started beeping incessantly. An unfortunately long google search later revealed that the capacitors were dead, and that I could A) become an electrician and solder new ones on, B) complain and try to get new one shipped, C) buy one here and reattach the two low voltage wires.
opendoorremote shipped quick with no fuss and it worked perfect
Posted by Paul on Jun 10th 2020
Instructions fail to mention the auto closure only works when door is up ALL THE WAY.
Tested feature after programmingand found out by accident the door had to open at its highest position for self close timer to be activated.
Posted by Unknown on Feb 24th 2020
I purchased a replacement 889LM and was pleased with the ease of getting up and running again quickly. The keypad, automobile and MyQ Internet Gateway devices took only seconds to re-program.
Posted by Unknown on Jun 3rd 2019
My wall control board failed due to (as we learned in the deinstallation) a poor original installation. Had this replacement within a few days from order and installed it quickly.
Posted by Wally on Aug 24th 2018
This unit works great it enables me to control my garage door from my phone.
Posted by John on Apr 10th 2017
Control panel 888LM worked perfectly with my Elite series garage door opener, model 3850. I was looking to replace my 398LM control panel which was working erratically....opened by itself or not at all. When I installed it, even the screw holes match my old panel exactly. Instructions were clear and very easy to install and program.
The folks here responded to my email request on compatibility and they were quick in their response....so I highly recommend them for your purchase.
Posted by Mark on Jan 5th 2017
Easy to install and allows use of gateway. Allows use of original remotes.
This video demonstrates how to replace the LiftMaster control panel, model 888LM or 889LM. Additional Resources: Technical Support: http://bit.ly/ChamberlainTechSupport Subscribe: https://www.youtube.com/liftmastersupport Download the myQ App for iOS devices: https://apple.co/36UFKXg Download myQ App for Android devices: http://bit.ly/2ZdKWmM Still need help? Contact Chamberlain Technical Support: http://bit.ly/ContactChamberlainSupport This video is intended for demonstration purposes only. The procedures demonstrated should only be performed by trained, professional installers and service technicians. Safe operation and servicing requires that you follow all instructions and safety advisories found in the manual. To locate a trained, professional installer or service technician go to LiftMaster.com/locate-a-dealer.