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{"id":1716374700147,"title":"Optical Encoder (RPM Sensor) 39272R.S- Belt\/Chain Drive Models","handle":"optical-encoder-rpm-sensor-39272r-s-belt-chain-drive-models","description":"\u003cp\u003eThe 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. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with models; 1028, 2028, 1035, 2036 \u003c\/li\u003e\n\u003cli\u003eIf you do not see your model on this list and have questions please contact Genie for compatibility questions\u003c\/li\u003e\n\u003cli\u003eGenuine Genie Replacement Part \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- TABS --\u003e\n\u003ch5\u003eReviews\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eInstallation Instructions\u003c\/h5\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272R.S_Optical_Encoder_Replacement_Instructions.pdf?4796\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ePDF (Printable) Instructions for replacing the 39272R.S Optical Encoder\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e39272R.S DC Opto Replacement For Chain \u0026amp; Belt Operators\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese instructions are written assuming that you will have ample room around Opener to perform this repair. Some rare instances will require removal of the unit from it’s mounting hardware and repair made on a bench or floor. Refer to your Owners Manual or Installation Poster for proper assembly and carefully read and understand all warnings and cautions pertaining to your unit.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWARNING\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eBE SURE ELECTRICAL POWER HAS BEEN DISCONNECTED FROM THE OPENER PRIOR TO REMOVING THE MOTOR COVER.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWARNING\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eANY AND ALL REPAIRS MADE TO THIS UNIT MUST BE PERFORMED WITH THE DOOR DISCONNECTED FROM THE OPENER AND IN THE CLOSED POSITION.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTools required:\u003c\/strong\u003e Standard slotted and Phillips head screwdrivers, small slotted screwdriver, 5\/16” nutdriver.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTE: Rail not shown, rail removal is NOT necessary for this repair.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCLOSE DOOR PRIOR TO REPAIR.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1. Remove power from the garage door opener by unplugging it.\u003c\/p\u003e\n\u003cp\u003e2. Press down on tabs to remove lens. FIG-1\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272R.S_Optical_Encoder_Replacement_Instructions_figure_1_large.png?v=1563471748\" alt=\"39272R.S Genie optical encoder replacement instructions \"\u003e\u003c\/p\u003e\n\u003cp\u003e3. Remove light bulb.\u003c\/p\u003e\n\u003cp\u003e4. Note locations and remove BWC (Basic Wall Control) and STB (Safe-T-Beam®) wires. Use a small screwdriver to press in on orange tabs to remove wires. FIG-2\u003c\/p\u003e\n\u003cp\u003e5. Using a 5\/16” nut driver or common screw driver, remove the 3 opener cover screws and remove opener cover. FIG-2\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272R.S_Optical_Encoder_Replacement_Instructions_figure_2_large.png?v=1563471886\" alt=\"Replacing the optical encoder 39272R.S on Genie garage door openers \"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e6. Note the locations and disconnect lights, transformer primary, AC power, red \u0026amp; black motor wires, transformer secondary, and encoder harnesses. FIG-3\u003c\/p\u003e\n\u003cp\u003e7. Using a 1\/4” nut driver or common screwdriver, remove 2 control board mounting screws and remove control board. FIG-3\u003c\/p\u003e\n\u003cp\u003e8. Carefully remove all harnesses from harness keepers. FIG-3\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272R.S_Optical_Encoder_Replacement_Instructions_figure_3_grande.png?v=1563471959\" alt=\"39272R.S Optical Encoder replacement instructions \"\u003e\u003c\/p\u003e\n\u003cp\u003e9. Remove Opto Assembly cover screws (3-3\/16”) leave harness plugged into assembly.\u003c\/p\u003e\n\u003cp\u003e10. Install replacement Opto Assembly and install cover screws (3).\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272R.S_Optical_Encoder_Replacement_Instructions_connector_detail_large.png?v=1563472226\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272R.S_Optical_Encoder_Replacement_Instructions_figure_4_large.png?v=1563472039\" alt=\"39272R.S Optical Encoder \"\u003e\u003c\/p\u003e\n\u003cp\u003e11. Carefully slide all harnesses back into harness keepers.\u003c\/p\u003e\n\u003cp\u003e12. Reinstall the control board, harnesses, and opener cover in reverse order. Ensure that harnesses are plugged in the correct positions. FIG-3, see connector detail.\u003c\/p\u003e\n\u003cp\u003e13. Reinstall BWC \u0026amp; STB wires, light bulb and lens.\u003c\/p\u003e\n\u003cp\u003e14. Reapply power to operator.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Limit settings will require reprogramming. Refer to your owners manual for detailed instructions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Test opener functions. The door MUST reverse on contact with a 1-1\/2” high object (or a 2 x 4 board laid flat) at the center of doorway on the floor. After adjusting either the force or limit of travel, retest door opener. Failure to adjust the opener properly may cause severe injury or death.\u003c\/p\u003e\n\u003c!-- \/TABS --\u003e","published_at":"2018-10-15T12:02:13-04:00","created_at":"2018-10-15T12:06:11-04:00","vendor":"The Genie Company","type":"Service Parts","tags":[],"price":1999,"price_min":1999,"price_max":1999,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":16941106102387,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"39272R.S","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Optical Encoder (RPM Sensor) 39272R.S- Belt\/Chain Drive Models","public_title":null,"options":["Default Title"],"price":1999,"weight":91,"compare_at_price":null,"inventory_quantity":998,"inventory_management":"shopify","inventory_policy":"continue","barcode":""}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/products\/39272R.S.JPG?v=1540410053"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/products\/39272R.S.JPG?v=1540410053","options":["Title"],"content":"\u003cp\u003eThe 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. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with models; 1028, 2028, 1035, 2036 \u003c\/li\u003e\n\u003cli\u003eIf you do not see your model on this list and have questions please contact Genie for compatibility questions\u003c\/li\u003e\n\u003cli\u003eGenuine Genie Replacement Part \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- TABS --\u003e\n\u003ch5\u003eReviews\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eInstallation Instructions\u003c\/h5\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272R.S_Optical_Encoder_Replacement_Instructions.pdf?4796\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ePDF (Printable) Instructions for replacing the 39272R.S Optical Encoder\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e39272R.S DC Opto Replacement For Chain \u0026amp; Belt Operators\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese instructions are written assuming that you will have ample room around Opener to perform this repair. Some rare instances will require removal of the unit from it’s mounting hardware and repair made on a bench or floor. Refer to your Owners Manual or Installation Poster for proper assembly and carefully read and understand all warnings and cautions pertaining to your unit.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWARNING\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eBE SURE ELECTRICAL POWER HAS BEEN DISCONNECTED FROM THE OPENER PRIOR TO REMOVING THE MOTOR COVER.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWARNING\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eANY AND ALL REPAIRS MADE TO THIS UNIT MUST BE PERFORMED WITH THE DOOR DISCONNECTED FROM THE OPENER AND IN THE CLOSED POSITION.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTools required:\u003c\/strong\u003e Standard slotted and Phillips head screwdrivers, small slotted screwdriver, 5\/16” nutdriver.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTE: Rail not shown, rail removal is NOT necessary for this repair.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCLOSE DOOR PRIOR TO REPAIR.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1. Remove power from the garage door opener by unplugging it.\u003c\/p\u003e\n\u003cp\u003e2. Press down on tabs to remove lens. FIG-1\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272R.S_Optical_Encoder_Replacement_Instructions_figure_1_large.png?v=1563471748\" alt=\"39272R.S Genie optical encoder replacement instructions \"\u003e\u003c\/p\u003e\n\u003cp\u003e3. Remove light bulb.\u003c\/p\u003e\n\u003cp\u003e4. Note locations and remove BWC (Basic Wall Control) and STB (Safe-T-Beam®) wires. Use a small screwdriver to press in on orange tabs to remove wires. FIG-2\u003c\/p\u003e\n\u003cp\u003e5. Using a 5\/16” nut driver or common screw driver, remove the 3 opener cover screws and remove opener cover. FIG-2\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272R.S_Optical_Encoder_Replacement_Instructions_figure_2_large.png?v=1563471886\" alt=\"Replacing the optical encoder 39272R.S on Genie garage door openers \"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e6. Note the locations and disconnect lights, transformer primary, AC power, red \u0026amp; black motor wires, transformer secondary, and encoder harnesses. FIG-3\u003c\/p\u003e\n\u003cp\u003e7. Using a 1\/4” nut driver or common screwdriver, remove 2 control board mounting screws and remove control board. FIG-3\u003c\/p\u003e\n\u003cp\u003e8. Carefully remove all harnesses from harness keepers. FIG-3\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272R.S_Optical_Encoder_Replacement_Instructions_figure_3_grande.png?v=1563471959\" alt=\"39272R.S Optical Encoder replacement instructions \"\u003e\u003c\/p\u003e\n\u003cp\u003e9. Remove Opto Assembly cover screws (3-3\/16”) leave harness plugged into assembly.\u003c\/p\u003e\n\u003cp\u003e10. Install replacement Opto Assembly and install cover screws (3).\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272R.S_Optical_Encoder_Replacement_Instructions_connector_detail_large.png?v=1563472226\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272R.S_Optical_Encoder_Replacement_Instructions_figure_4_large.png?v=1563472039\" alt=\"39272R.S Optical Encoder \"\u003e\u003c\/p\u003e\n\u003cp\u003e11. Carefully slide all harnesses back into harness keepers.\u003c\/p\u003e\n\u003cp\u003e12. Reinstall the control board, harnesses, and opener cover in reverse order. Ensure that harnesses are plugged in the correct positions. FIG-3, see connector detail.\u003c\/p\u003e\n\u003cp\u003e13. Reinstall BWC \u0026amp; STB wires, light bulb and lens.\u003c\/p\u003e\n\u003cp\u003e14. Reapply power to operator.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Limit settings will require reprogramming. Refer to your owners manual for detailed instructions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Test opener functions. The door MUST reverse on contact with a 1-1\/2” high object (or a 2 x 4 board laid flat) at the center of doorway on the floor. After adjusting either the force or limit of travel, retest door opener. Failure to adjust the opener properly may cause severe injury or death.\u003c\/p\u003e\n\u003c!-- \/TABS --\u003e"}

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

Product Description
$19.99
Maximum quantity available reached.

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 models; 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 

 

Sku: 39272R.S

PDF (Printable) Instructions for replacing the 39272R.S Optical Encoder

39272R.S DC Opto Replacement For Chain & Belt Operators

These instructions are written assuming that you will have ample room around Opener to perform this repair. Some rare instances will require removal of the unit from it’s mounting hardware and repair made on a bench or floor. Refer to your Owners Manual or Installation Poster for proper assembly and carefully read and understand all warnings and cautions pertaining to your unit.

WARNING
BE SURE ELECTRICAL POWER HAS BEEN DISCONNECTED FROM THE OPENER PRIOR TO REMOVING THE MOTOR COVER.

WARNING
ANY AND ALL REPAIRS MADE TO THIS UNIT MUST BE PERFORMED WITH THE DOOR DISCONNECTED FROM THE OPENER AND IN THE CLOSED POSITION.

Tools required: Standard slotted and Phillips head screwdrivers, small slotted screwdriver, 5/16” nutdriver.

NOTE: Rail not shown, rail removal is NOT necessary for this repair.

CLOSE DOOR PRIOR TO REPAIR.

1. Remove power from the garage door opener by unplugging it.

2. Press down on tabs to remove lens. FIG-1

39272R.S Genie optical encoder replacement instructions

3. Remove light bulb.

4. Note locations and remove BWC (Basic Wall Control) and STB (Safe-T-Beam®) wires. Use a small screwdriver to press in on orange tabs to remove wires. FIG-2

5. Using a 5/16” nut driver or common screw driver, remove the 3 opener cover screws and remove opener cover. FIG-2

Replacing the optical encoder 39272R.S on Genie garage door openers

 

6. Note the locations and disconnect lights, transformer primary, AC power, red & black motor wires, transformer secondary, and encoder harnesses. FIG-3

7. Using a 1/4” nut driver or common screwdriver, remove 2 control board mounting screws and remove control board. FIG-3

8. Carefully remove all harnesses from harness keepers. FIG-3

39272R.S Optical Encoder replacement instructions

9. Remove Opto Assembly cover screws (3-3/16”) leave harness plugged into assembly.

10. Install replacement Opto Assembly and install cover screws (3).

39272R.S Optical Encoder

11. Carefully slide all harnesses back into harness keepers.

12. Reinstall the control board, harnesses, and opener cover in reverse order. Ensure that harnesses are plugged in the correct positions. FIG-3, see connector detail.

13. Reinstall BWC & STB wires, light bulb and lens.

14. Reapply power to operator.

NOTE: Limit settings will require reprogramming. Refer to your owners manual for detailed instructions.

IMPORTANT: Test opener functions. The door MUST reverse on contact with a 1-1/2” high object (or a 2 x 4 board laid flat) at the center of doorway on the floor. After adjusting either the force or limit of travel, retest door opener. Failure to adjust the opener properly may cause severe injury or death.

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