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LiftMaster 3800 Support Question

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Question posted by rickods on August 28th, 2012

What Is The Center Of Shaft And Top Of Operator On A 3800 Liftmaster

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Related LiftMaster 3800 Manual Pages

3800 Manual - Page 1

® GARAGE DOOR OPENER Model 3800 For Residential Sectional Doors With Torsion Assemblies Only Com Details The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com patible with See Page 13 for Owner's Manual ■ Please read this manual and the enclosed safety materials carefully! ■ Fasten the manual near the garage door after installation...
3800 Manual - Page 2

... 19 Test The Protector System 19 Test cable tension monitor 20 Test power door lock 20 To open door manually 20 Operation 21-25 Operation safety instructions 21 Using your garage door opener 21 Using the wall-mounted control console 22 Care of damage to your opener 23 Having a problem? (Troubleshooting 23-25 Programming 26-28 To add or...
3800 Manual - Page 4

... try to avoid entanglement. CAUTION To prevent damage to garage door and opener: • ALWAYS disable locks BEFORE installing and operating the opener. • ONLY operate garage door opener at 120V, 60 Hz to make sure your door binds, sticks or is not sticking or binding: 1. Release the door. Raise and lower the door to see if there is out of the...
3800 Manual - Page 5

...garage door opener is missing, carefully check the packing material. Note that accessories will depend on the model purchased. If anything is packaged in one carton which contains the motor unit and the parts illustrated below. LOCK LIGHT LCD Motion Detecting Door...Hardware Bag 2-Conductor Bell Wire White & White/Red Power Door Lock 2-Conductor White & White/Black Bell Wire with ...
3800 Manual - Page 6

... provided. ASSEMBLY STEP 1 Attach the Collar to the Motor Unit To avoid installation difficulties, do not run the garage door opener until instructed to do so. • Loosen the collar screws. • Attach collar to either the left ... Ensure that the collar is seated all the way on motor shaft until stop is reached (Figure 1). • Position the collar so that the screws are for easy access...
3800 Manual - Page 7

... WARNING To reduce the risk of installation, test safety reversal system. Install garage door opener ONLY on wall next to 12-14 ft./lbs. It may not reverse... Close the garage door completely. 2. NOTE: The motor unit does not have to be caught in a door roller. of operator. Install wall-mounted garage door control: • within sight of the garage door. •...
3800 Manual - Page 9

... should be connected and properly installed before the garage door opener will reverse the door when excessive slack is shipped for left side installation. NOTE: If the cable tension monitor can not be mounted into wood with the lag screws provided, it on top of garage door during normal operation. Make sure that may occur and will...
3800 Manual - Page 10

..." holes and use model 378LM wireless wall control as in new home construction), it can be connected to the full open circuit. 4. If additional wall controls are desired to operate the same garage door opener, it is not connected BEFORE installing control console. • Connect ONLY to secure. Fasten with a small flat-head screwdriver. Strip...
3800 Manual - Page 12

... a third grounding pin. INSTAWLLAARTINOINNGSTEP 7 Electrical Requirements CAUTION To avoid installation difficulties, do not run the opener at this time. If the plug doesn't fit into a grounding type outlet. Be sure the opener is required by your garage door opener has a grounding type plug with ALL local electrical and building codes. • NEVER use an extension...
3800 Manual - Page 14

... accessories) are designed to avoid drilling extra holes in the down direction. The invisible light beam path must be connected and aligned correctly before the garage door opener will detect an obstacle in masonry construction, add a piece of wood at each other hardware) may interrupt the beam while the...
3800 Manual - Page 17

... slowly then release. 2. This sets the UP (open) limit and begins closing garage door. • NEVER learn forces or limits when door is at desired UP position BLACK PURPLE Figure 3 Figure... door will cause premature wear. Follow the steps below to have too much pressure on floor. Door MUST reverse on contact with proper operation of the motor unit will stop door at...
3800 Manual - Page 19

... the test. • When the door reverses on the floor, centered under the garage door. • Operate the door in either sensor is off (alerting you to fail the Safety Reverse Test, call for a trained door systems technician. ADJUSTMENT STEP 4 Test The Protector System® • Press the remote control push button to open , place a 1-1/2" (3.8 cm) board (or...
3800 Manual - Page 21

... over 100 billion new codes. If the door has been stopped in SEVERE INJURY or DEATH. 11. Using Your Garage Door Opener Your LiftMaster Security✚® opener and hand-held remote. Weak or broken springs or unbalanced door could result in a partially open garage door. SAVE THESE INSTRUCTIONS. If closing , the door will blink once signifying the feature is properly...
3800 Manual - Page 24

...'t operate due to power failure: • Manually open completely: • Check power door lock. • Is something obstructing the door? For an existing installation, see Adjustment Step 1). 14. Open and close : • Check cable tension monitor. • If the opener lights blink, check the safety reversing sensor. The opener won 't close the door manually. The garage door opens and...
3800 Manual - Page 25

... moves 6-8" (15-20 cm), replace RPM sensor. • If motor unit doesn't operate, motor unit is stuck on the safety reversing sensors do not light, replace the safety reversing sensors. Consult Diagnostic Chart below. Installed Safety Reversing Sensor Your garage door opener is not lit on door control. • Inspect door control/wires for the sensors.
3800 Manual - Page 26

... controls. All previous codes are not installed, two clicks will be heard. Reprogram each remote or keyless entry you wish to operate your garage door opener, the large button is operated with your garage door. 4. The door will glow steadily for programming your hand-held Remote Control USING THE "LEARN" BUTTON TO ADD ADDITIONAL REMOTE CONTROLS USING THE...
3800 Manual - Page 27

... or number of your choice on the keypad. The opener light will no longer open door, press the number of hours or times to operate your personal entry PIN (not the last temporary PIN),...Detecting Control Console. Then press and hold buttons 1 and 9 for your garage door opener. Enter a four digit personal identification number (PIN) of accesses, this temporary PIN will blink four ...
3800 Manual - Page 28

... factory to be programmed. 1. It has learned the code and the light turns on light until LED comes ON. 2. Reprogramming Light or Additional Light Your garage door opener remote work lights will need to operate with your...
3800 Manual - Page 31

... to lock out outside by adding additional sensor modules. 916LM Garage Door Monitor Sensor: Additional accessory sensor for homes with an additional LiftMaster Security✚® remote. 475LM EverCharge™ Battery Backup System: Provides backup power to the model 3800 and 3500 garage door openers. ACCESSORIES 41A5281 377LM 902LM/903LM 395LM 380LM 975LM Extension Brackets...
3800 Manual - Page 32

... SERVICE INFORMATION TOLL FREE NUMBER: 1-800-528-9131 LIFTMASTER® GARAGE DOOR OPENER FIVE-YEAR LIMITED WARRANTY LIFETIME MOTOR LIMITED WARRANTY The ... COVER NON-DEFECT DAMAGE, DAMAGE CAUSED BY IMPROPER INSTALLATION, OPERATION OR CARE (INCLUDING, BUT NOT LIMITED TO ABUSE, MISUSE... the above limitation may not apply to our service center for warranty repair, which upon receipt by this limited...

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