Question about liftmaster Chamberlain Garage Door Opener Transmitter 300MC
Press the square button on the power unit (near where all the white wires connect). After you press and release the button you will have 30 seconds to enter the code you want into the keypad and press enter.
Posted on Oct 05, 2010
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Sep 28, 2015 | Locks & Locksmithing
Sep 17, 2013 | Office Equipment & Supplies
Mar 12, 2013 | Chamberlain KLIK1 Remote Control
Aug 03, 2012 | Toyota Cars & Trucks
Aug 11, 2011 | Acer NSK8458AN Keyboard
Jan 11, 2011 | Panasonic KXDT343 Phone
Jun 30, 2010 | Chamberlain 740CB Wireless Keyless Entry...
Jun 05, 2010 | 2007 Ford Explorer Eddie Bauer
Nov 17, 2009 | NEC Dterm DTP 16D-1 Corded Phone
Jan 17, 2009 | Sears Craftsman LiftMaster Chamberlain...
95 people viewed this question
Usually answered in minutes!