Controlled Products is committed to providing its customers with up-to-date information regarding service bulletins and technical updates. 



HySecurity Variable Frequency Drives Updated-Click here for info





LiftMaster 4/16/18 821LM Replaced by 821LMB Click here for info

LiftMaster 11/1/17 Gate Operator Firmware Bulletin Click here for info

LiftMaster 2/6/15 Troubleshooting Diagnostic Code 5-Flashes Click here for info

iftMaster 2/11/15 CSW24V Lower Gear Reducer Click here for info

LiftMaster 2/11/15 LA500 Drift Click here for info

LiftMaster 11/5/14 New Service Kit for Non-Burgundy Operator Covers (K75-36294-1) Click here for info

LiftMaster 11/5/14 24VDC Commercial Gate Operator Board Compatibility Click here for info

LiftMaster 11/5/14 24VDC Motor Brush and Brush Guide Improvement Click here for info

iftMaster 8/23/13 Firmware Release Version CSW24V & CSL24V Click here for info

LiftMaster 8/23/13 LOOPDETLM New Revision 4.3 Plug-In Loop Detector Firmware Click here for info