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{"id":1910850093171,"title":"Optical Encoder (RPM Sensor) 39272S.S- Belt\/ Chain Drive Models","handle":"optical-encoder-rpm-sensor-39272s-s-belt-chain-drive-models","description":"\u003cp\u003eThe Optical Encoder also called the RPM sensor, is compatible with Genie model chain and belt drive garage door openers listed below. The optical encoder may resolve issues of short traveling or drifting limits on the garage door opener. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Genie models: 2035, 2055, 3035, 7035, 7055\u003c\/li\u003e\n\u003cli\u003eGenuine Genie Replacement Part \u003c\/li\u003e\n\u003c\/ul\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\/39272S.S_and_39272T.S_Optical_Encoder_Replacement_Instructions.pdf?4809\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ePDF Instructions for replacing the 39272S.S Optical Encoder \u003c\/a\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\u003cstrong\u003e39272S.S 24V DC Opto Replacement For Chain \u0026amp; Belt Operators\u003c\/strong\u003e\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\u003eCLOSE THE GARAGE DOOR PRIOR TO REPAIR.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1. Remove power from operator.\u003c\/p\u003e\n\u003cp\u003e2. Press down on tabs to remove lens.\u003c\/p\u003e\n\u003cp\u003e3. Remove light bulbs.\u003c\/p\u003e\n\u003cp\u003e4. Note locations and remove BWC (Basic Wall Control) and STB (Safe-T-Beam®) wires. Use small screwdriver to press in on orange tabs to remove wires. FIG. 1.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272S.S_and_39272T.S_Optical_Encoder_Replacement_Instructions_figure_1_large.png?v=1563475249\" alt=\"39272S.S Optical Encoder replacement instructions, removing the wiring \"\u003e\u003c\/p\u003e\n\u003cp\u003e5. If equipped, unplug and remove battery backup (BBU) from the back of motor housing. Fig. 2.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272S.S_and_39272T.S_Optical_Encoder_Replacement_Instructions_figure_2_large.png?v=1563475291\" alt=\"39272S.S Genie optical encoder replacement instructions \"\u003e\u003c\/p\u003e\n\u003cp\u003e6. Using a 5\/16” nut driver or common screw driver, remove the 2 opener cover screws and remove opener cover. FIG-3A\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg alt=\"39272S.S Optical encoder replacement for Genie garage door openers \" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272S.S_and_39272T.S_Optical_Encoder_Replacement_Instructions_figure_3_grande.png?v=1563475335\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e7. Note the locations and disconnect lights, transformer primary, AC power, red \u0026amp; black motor wires, transformer secondary, and encoder harnesses. FIG. 4\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272S.S_and_39272T.S_Optical_Encoder_Replacement_Instructions_figure_4_grande.png?v=1563475395\" alt=\"Genie belt and chain drive garage door opener replacing the optical encoder 39272S.S\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e8. Using a 1\/4” nut driver or common screwdriver, remove 2 control board mounting screws and remove control board. FIG. 5.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272S.S_and_39272T.S_Optical_Encoder_Replacement_Instructions_figure_5_and_6_grande.png?v=1563475447\" alt=\"39272S.S optical encoder replacement for Genie belt and chain drive model garage door openers \"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e9. Carefully remove all harnesses from harness keepers.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e10. Remove Opto Assembly cover screws (3-3\/16”) leave harness plugged into assembly FIG. 3B.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e11. Install replacement Opto Assembly and install cover screws (3).\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e12. Carefully slide all harnesses back into harness keepers.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e13. Reinstall the control board, harnesses, and opener cover in reverse order. Ensure that harnesses are plugged in the correct positions. See harness detail FIG. 6.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e14. Reinstall BWC \u0026amp; STB wires, light bulb and lens.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e15. Install BBU assembly onto motor housing if equipped.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e16. Reapply power to operator.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Limit settings will require reprogramming. Refer to your owners manual for detailed instructions.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\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":"2019-01-22T12:18:57-05:00","created_at":"2019-01-22T12:24:27-05:00","vendor":"The Genie Company","type":"Service Parts","tags":[],"price":2439,"price_min":2439,"price_max":2439,"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":18137383600243,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"39272S.S","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Optical Encoder (RPM Sensor) 39272S.S- Belt\/ Chain Drive Models","public_title":null,"options":["Default Title"],"price":2439,"weight":227,"compare_at_price":null,"inventory_quantity":999,"inventory_management":"shopify","inventory_policy":"deny","barcode":""}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/products\/39272S.S.jpg?v=1548177923"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/products\/39272S.S.jpg?v=1548177923","options":["Title"],"content":"\u003cp\u003eThe Optical Encoder also called the RPM sensor, is compatible with Genie model chain and belt drive garage door openers listed below. The optical encoder may resolve issues of short traveling or drifting limits on the garage door opener. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Genie models: 2035, 2055, 3035, 7035, 7055\u003c\/li\u003e\n\u003cli\u003eGenuine Genie Replacement Part \u003c\/li\u003e\n\u003c\/ul\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\/39272S.S_and_39272T.S_Optical_Encoder_Replacement_Instructions.pdf?4809\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ePDF Instructions for replacing the 39272S.S Optical Encoder \u003c\/a\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\u003cstrong\u003e39272S.S 24V DC Opto Replacement For Chain \u0026amp; Belt Operators\u003c\/strong\u003e\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\u003eCLOSE THE GARAGE DOOR PRIOR TO REPAIR.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1. Remove power from operator.\u003c\/p\u003e\n\u003cp\u003e2. Press down on tabs to remove lens.\u003c\/p\u003e\n\u003cp\u003e3. Remove light bulbs.\u003c\/p\u003e\n\u003cp\u003e4. Note locations and remove BWC (Basic Wall Control) and STB (Safe-T-Beam®) wires. Use small screwdriver to press in on orange tabs to remove wires. FIG. 1.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272S.S_and_39272T.S_Optical_Encoder_Replacement_Instructions_figure_1_large.png?v=1563475249\" alt=\"39272S.S Optical Encoder replacement instructions, removing the wiring \"\u003e\u003c\/p\u003e\n\u003cp\u003e5. If equipped, unplug and remove battery backup (BBU) from the back of motor housing. Fig. 2.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272S.S_and_39272T.S_Optical_Encoder_Replacement_Instructions_figure_2_large.png?v=1563475291\" alt=\"39272S.S Genie optical encoder replacement instructions \"\u003e\u003c\/p\u003e\n\u003cp\u003e6. Using a 5\/16” nut driver or common screw driver, remove the 2 opener cover screws and remove opener cover. FIG-3A\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg alt=\"39272S.S Optical encoder replacement for Genie garage door openers \" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272S.S_and_39272T.S_Optical_Encoder_Replacement_Instructions_figure_3_grande.png?v=1563475335\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e7. Note the locations and disconnect lights, transformer primary, AC power, red \u0026amp; black motor wires, transformer secondary, and encoder harnesses. FIG. 4\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272S.S_and_39272T.S_Optical_Encoder_Replacement_Instructions_figure_4_grande.png?v=1563475395\" alt=\"Genie belt and chain drive garage door opener replacing the optical encoder 39272S.S\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e8. Using a 1\/4” nut driver or common screwdriver, remove 2 control board mounting screws and remove control board. FIG. 5.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/39272S.S_and_39272T.S_Optical_Encoder_Replacement_Instructions_figure_5_and_6_grande.png?v=1563475447\" alt=\"39272S.S optical encoder replacement for Genie belt and chain drive model garage door openers \"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e9. Carefully remove all harnesses from harness keepers.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e10. Remove Opto Assembly cover screws (3-3\/16”) leave harness plugged into assembly FIG. 3B.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e11. Install replacement Opto Assembly and install cover screws (3).\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e12. Carefully slide all harnesses back into harness keepers.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e13. Reinstall the control board, harnesses, and opener cover in reverse order. Ensure that harnesses are plugged in the correct positions. See harness detail FIG. 6.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e14. Reinstall BWC \u0026amp; STB wires, light bulb and lens.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e15. Install BBU assembly onto motor housing if equipped.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e16. Reapply power to operator.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Limit settings will require reprogramming. Refer to your owners manual for detailed instructions.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\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) 39272S.S- Belt/ Chain Drive Models

Product Description
$24.39
Maximum quantity available reached.

The Optical Encoder also called the RPM sensor, is compatible with Genie model chain and belt drive garage door openers listed below. The optical encoder may resolve issues of short traveling or drifting limits on the garage door opener. 

  • Compatible with Genie models: 2035, 2055, 3035, 7035, 7055
  • Genuine Genie Replacement Part 
Sku: 39272S.S

PDF Instructions for replacing the 39272S.S Optical Encoder 

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.

39272S.S 24V DC Opto Replacement For Chain & Belt Operators

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.

CLOSE THE GARAGE DOOR PRIOR TO REPAIR.

1. Remove power from operator.

2. Press down on tabs to remove lens.

3. Remove light bulbs.

4. Note locations and remove BWC (Basic Wall Control) and STB (Safe-T-Beam®) wires. Use small screwdriver to press in on orange tabs to remove wires. FIG. 1.

39272S.S Optical Encoder replacement instructions, removing the wiring

5. If equipped, unplug and remove battery backup (BBU) from the back of motor housing. Fig. 2.

39272S.S Genie optical encoder replacement instructions

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

39272S.S Optical encoder replacement for Genie garage door openers

7. Note the locations and disconnect lights, transformer primary, AC power, red & black motor wires, transformer secondary, and encoder harnesses. FIG. 4

Genie belt and chain drive garage door opener replacing the optical encoder 39272S.S

8. Using a 1/4” nut driver or common screwdriver, remove 2 control board mounting screws and remove control board. FIG. 5.

39272S.S optical encoder replacement for Genie belt and chain drive model garage door openers

9. Carefully remove all harnesses from harness keepers.

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

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

12. Carefully slide all harnesses back into harness keepers.

13. Reinstall the control board, harnesses, and opener cover in reverse order. Ensure that harnesses are plugged in the correct positions. See harness detail FIG. 6.

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

15. Install BBU assembly onto motor housing if equipped.

16. 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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