Hi, I believe this remote works with the 1140 LM. The manual for it list it as a remote that works. lastmanuals.com/manual/LIFT-MASTER/1140. Bleitze.Chamberlain Lift-Master Professional 1140 Pdf User Manuals. View online or download Chamberlain Lift-Master Professional 1140 Owner's Manual. LIFTMASTER model 1140 residential opener is a 1/4hp chain drive. It is part of the premium series. Owner manual in pdf format at no. Liftmaster Compatibility Chart It is easy to find the correct replacement remote control or key-less entry pad for your garage door opener. Installation instructions and owners manual for Liftmaster garage door openers, models 1140,1145,1146,1150,1155,1156 and 1160. Need to reset lift master garage Need to reset lift master garage door opener model 1140lm..how do I do this when you open it manually, I think your springs are not adjusted correctly. Installation instructions and owners manual for Liftmaster garage door openers, models 1140,1145,1146,1150,1155,1156 and 1160. Lastmanuals provides you a fast and easy access to the user manual LIFT-MASTER 1140. We hope that this LIFT-MASTER 1140 user guide will be useful to you.