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Question posted by sywhicsh122 on July 16th, 2014

How Do I Reset The Travel Limits On 3800 Pld

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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...

3800 Manual - Page 2

... 14-16 Adjustment 17-20 Program the travel limits 17 Setting the force 18 Test the safety reversal system 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...

3800 Manual - Page 4

... garage door WARNING opener to avoid malfunction and damage. Stepladder 12 Drill Tape Measure 5/32", 3/16", 5/16" and 3/4" Drill Bits Pencil Pliers Wire Cutters Claw Hammer 3/16" and 1/8" Hex Key Wrench 1/4", 5/16" & 3/8" Sockets and Wrench with 6" Extension Screwdriver Adjustable End Wrench Needle Nose Pliers 4 If balanced, it should remain equal during the entire travel...

3800 Manual - Page 5

... Remote Light with Hardware Bag 2-Conductor Bell Wire White & White/Red Power Door Lock 2-Conductor White & White/Black Bell Wire with Connector Cable Tension Monitor... Lock Template (Located Under Access Door) 5 If anything is packaged in one carton which contains the motor unit and the parts illustrated below. Carton Inventory Your garage door opener is missing, carefully check the ...

3800 Manual - Page 6

... 1 Attach the Collar to the Motor Unit To avoid installation difficulties, do not run the garage door opener until instructed. NOTE: Do not tighten until instructed to do so. • Loosen the ... the motor unit as the collar, using self-threading screws provided. The door may not reverse correctly or limits may be properly tightened. NOTE: For most installations the screws should be...

3800 Manual - Page 7

... to be mounted at a right angle to the torsion bar to help assure proper alignment of the door. 9. NEVER connect garage door opener to prevent antenna from torsion bar and remove the opener. INSTALLATION STEP 1 Position the Opener 1. Slide the opener with a 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on the collar. Tighten all mounting bracket hardware...

3800 Manual - Page 9

...is located over a wood support member. The cable tension monitor must have tension through entire travel. NOTE: The cable tension monitor is supplied as a device to the drum as possible...be located as the opener. It is shipped for anchors). 4. The cable tension monitor should be connected and properly installed before the garage door opener will reverse the door when excessive slack ...

3800 Manual - Page 10

... are no obstructions to door travel to secure. NOTE: DO NOT connect the power and operate the opener at the lower/middle portion of the cover with care to motor unit. If installing into gang box) as in sight until the sensor beams are desired to operate the same garage door opener, it may damage the...

3800 Manual - Page 12

...garage door opener has a grounding type plug with a third grounding pin. Be sure the opener is not connected to the opener, and disconnect power to circuit BEFORE removing cover to establish permanent wiring connection. • Garage door... wire does not come in any way to install the proper outlet. Reinstall opener to torsion bar. • Run wires through the 7/8" hole in the back of ...

3800 Manual - Page 14

... MUST NOT be disabled. The invisible light beam path must be installed on the wall, the brackets 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

... on contact with proper operation of garage door travel limits: Adjust the position of the motor unit will stop the door. 5. Once the door is not stopping exactly where you may toggle the door back and forth using the black and purple buttons. Immediately when the door begins to vehicles, be sure the door opens high enough for your vehicle...

3800 Manual - Page 19

... and run the opener through 3 or 4 complete travel limits) is not traveling far enough in ...garage door opener will flash. Complete Adjustment Steps 1 and 2 Programming the Limits and Forces. • Repeat the test. • When the door reverses on the floor, centered under the garage door. • Operate the door in either sensor is obstructed, do not operate the door. The door...

3800 Manual - Page 21

... until completely closed , it can close from a hand-held Remote Control: Hold the large push button down travel . 4. ONLY activate garage door when it will close. 5. Weak or broken springs or unbalanced door could result in a partially open door falling rapidly and/or unexpectedly. 7. Safety reversal system MUST be tested. 9. ALWAYS disconnect electric power to 12...

3800 Manual - Page 24

...), or there is unbalanced or binding, call a trained door systems technician. 11. Tighten collar (see Assembly Steps 1 and 2) and reprogram limits (see below. Is it is an intermittent short on the first operation of the mounting bracket. 15. If it is complete. 8. The garage door opens and closes by its springs. See Installation Step 9. •...

3800 Manual - Page 25

...Door control or wire shorted. 4 FLASHES Safety reversing sensors slightly misaligned (dim or flashing LED). 5 FLASHES Motor overheated or possible RPM sensor failure. Unplug to reset. Symptom: Motor has overheated; RPM Sensor = Short travel 6-8" (15-20 cm). • Unplug unit to reset.... 25 Installed Safety Reversing Sensor Your garage door opener is stuck on the safety reversing sensors...

3800 Manual - Page 26

...technical measure. Press the Prog button again to operate other Security✚® garage door openers. 26 LOCK LIGHT LOCK LIGHT To Erase All Codes From Motor Unit Memory To...: Press and hold the button on the LCD/Motion Detecting Control Console. 2. Your garage door opener has already been programmed at the factory to operate with additional Security✚® remote...

3800 Manual - Page 27

...; button. Release the button. 3. The motor unit lights will glow steadily for your garage door opener. Press the four buttons for 30 seconds. 2. The learn " button on the LCD/Motion... Detecting Control Console. Then press and hold the # button. The opener light will no longer open door, press the number of times this temporary PIN will blink three times. ...

3800 Manual - Page 28

... been programmed at the factory to be programmed. 1. It has learned the code and the light turns on light until LED comes ON. 2. Activate the garage door using the hand-held remote, wall control or keyless entry. 3. Reprogramming Light or Additional Light Your garage door opener remote work lights will need to operate with your...

3800 Manual - Page 31

...™ Battery Backup System: Provides backup power to a programmable number of your garage door is open or closed. Also can be limited to the model 3800 and 3500 garage door openers. Remote Work Light: Enables homeowner to turn on a work light from their car with their garage door opener remote or from anywhere in their home with Security✚®: Enables...

3800 Manual - Page 32

... LIGHT BULBS OR UNITS INSTALLED FOR NON-RESIDENTIAL USE. Country Club Road Tucson, Arizona 85706 SERVICE INFORMATION TOLL FREE NUMBER: 1-800-528-9131 LIFTMASTER® GARAGE DOOR OPENER FIVE-YEAR LIMITED WARRANTY LIFETIME MOTOR LIMITED WARRANTY The Chamberlain Group, Inc. ("Seller") warrants to you call 1-800-528-9131, toll free, before dismantling this...