Optical Encoder (RPM Sensor) 39272R.S- Belt/Chain Drive Models

The Optical Encoder also called the RPM sensor, is used in certain Genie model chain and belt drive garage door openers. (See below for compatibility) This may resolve the issue of short travel problems or drifting limits on the garage door opener.  Compatible with these models that have NIDEC motors; 1028, 2028, 1035, 2036  If you do not see your model on this list and have questions please contact Genie for compatibility questions Genuine Genie Replacement Part  To identify if your garage door opener has the NIDEC motor compatible with this optical encoder use this tip. The motor will have a label with the brand name “NIDEC” as shown below.