Manual LiftMaster LM3800W Garage Door Opener
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Manual
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Note:
The original installation and operating instructions were compiled in English.
Any other available language is a translation of the original English version.
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General Safety Guidelines .................................................................................................................................................................................3
Intended Use .....................................................................................................................................................................................................4
Planning Door Operation ................................................................................................................................................................................... 4
Planning for MyQ Operation .............................................................................................................................................................................. 4
Preparing Your Garage Door ............................................................................................................................................................................. 5
Tools Needed .....................................................................................................................................................................................................5
Carton Inventory ................................................................................................................................................................................................ 5
Required Accessories ........................................................................................................................................................................................5
Attach the Collar to the Garage Door Opener ...................................................................................................................................................6
Attach Mounting Bracket to Garage Door Opener .............................................................................................................................................6
Position and Mount the Garage Door Opener ................................................................................................................................................... 6
Attach the Emergency Release Rope and Handle ............................................................................................................................................ 6
Install the Automatic Door Lock ......................................................................................................................................................................... 7
Attach the Cable Tension Monitor (041A9264) (required accessory) ................................................................................................................ 7
Install MyQ Remote LED Light (designed for dry areas only) ...........................................................................................................................8
Electrical Connection .........................................................................................................................................................................................8
Installation of Photocells ....................................................................................................................................................................................8
Connect Power .................................................................................................................................................................................................. 9
Install the Battery Backup (Optional accessory) ................................................................................................................................................9
Program the Travel .......................................................................................................................................................................................... 10
Test the Safety Reversal System .....................................................................................................................................................................10
To Open the Door Manually .............................................................................................................................................................................11
Using Your Garage Door Opener .................................................................................................................................................................... 11
Connect With Your Smartphone ......................................................................................................................................................................13
Program Your Opener And Remote / The Wireless Push Button/ / Wireless Keypad (Optional) ....................................................................14
Program the MyQ Remote LED Light ..............................................................................................................................................................14
To Erase the Memory ......................................................................................................................................................................................15
Maintenance Care of Your Garage Door Opener ............................................................................................................................................15
Replace Batteries of The Remote Control ....................................................................................................................................................... 15
Disposal ...........................................................................................................................................................................................................16
Diagnostic Chart .............................................................................................................................................................................................. 16
Troubleshooting ............................................................................................................................................................................................... 17
Optional Accessories ....................................................................................................................................................................................... 19
Technical Data ................................................................................................................................................................................................. 19
Automatic Garage Door Opener Safety & Maintenance Guide ....................................................................................................................... 20
Routine Maintenance Can Prevent Tragedies .................................................................................................................................................21
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Specifications
| Brand | LiftMaster |
| Model | LM3800W |
| Category | Garage Door Openers |
| File type | |
| File size | 17.22 MB |
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