The Genie Genie 39272T.S is a genuine OEM Optical Encoder RPM Sensor replacement part for Genie residential garage door openers. This part is compatible with Genie opener models: Genie 3020H, Genie 3020H-B, Genie 7035, Genie 7055. Designed as a direct-fit replacement, the Optical Encoder RPM Sensor for Belt/Chain Drive Garage Door Openers restores original performance and reliability. Order by part number to ensure the correct fit for your specific opener model.
| Feature | Specification |
|---|---|
| Model | Genie 39272T.S |
| Item Type | Optical Encoder RPM Sensor |
| Alternate Part Numbers | 39272T.S, 39272T |
A: The 39272T.S is designed for the T variant and is compatible with Genie models 3020H, 3020H-B, 7035, and 7055 belt/chain drive openers equipped with NIDEC motors.
A: No. The R, S, and T variants are not interchangeable. The T variant (39272T.S) targets the 3020H series and select belt/chain drive models, while the S variant fits 2035, 2055, 3035, 7035, and 7055, and the R variant fits 1028/2028 NIDEC models.
A: The optical encoder monitors the RPM of the motor to track door position and speed. A faulty encoder can cause short travel, drifting limits, or erratic door behavior.
A: Yes. After replacing the optical encoder, you must reprogram the travel limits on your opener to ensure proper door operation.
A: Common symptoms include the door stopping short of fully open or closed, limits drifting over time, or the opener reversing unexpectedly, all of which can indicate a failed RPM sensor.