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LiftMaster 3800 Support Question

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Question posted by audrkrbill on April 30th, 2014

Instructions On How To Replace Liftmaster 3800 Circuit Board

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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

... see these Safety Symbols and Signal Words on the following pages, they will alert you to the possibility of your garage WARNING door and/or the garage door opener if you do not comply with the instructions and warnings contained in this Signal Word on the following pages, it will alert you to offer safe service...

3800 Manual - Page 4

... halfway as illustrated below. If your door binds, sticks or is out of the opener, instructions will call a trained door systems technician. 3. An unbalanced garage door may not reverse when required. • NEVER try to make sure your garage door is balanced and is out of the door. Sectional Door Tools needed During assembly, installation and adjustment of balance, call...

3800 Manual - Page 5

...(1) 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 with...Insulated Staples (30) Lock Template (Located Under Access Door) 5 Carton Inventory Your garage door opener is missing, carefully check the packing material. Note that accessories will depend on the model purchased....

3800 Manual - Page 6

... as the collar, using self-threading screws 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 collar slip. NOTE: For most installations the screws should be facing up...

3800 Manual - Page 7

... to the torsion bar to garage door control. 10. Door MUST reverse on contact with collar over the torsion bar until instructed to cut the torsion bar if it is located on the collar. INSTALLATION STEP 1 Position the Opener 1. Close the garage door completely. 2. Loosen collar screws from being entangled in garage door or opener mechanisms. 8. Tighten all mounting bracket...

3800 Manual - Page 9

... with the lag screws provided, it on opposite side of the cable tension monitor. 1. NOTE: There must be connected and properly installed before the garage door opener will reverse the door when excessive slack is no obstructions in the down direction. NOTE: Cable must be no slack in several places. 6. The cable tension monitor...

3800 Manual - Page 10

... console remains fully functional. See Protector System Instructions beginning on screw head and slide down to door travel to the full open position but will travel . • ALWAYS keep garage door in tab with a staple, creating a short or open circuit. 4. If additional wall controls are desired to operate the same garage door opener, it may damage the LCD screen. Strip...

3800 Manual - Page 12

...; Remove the power cord from WARNING electrocution or fire: • Be sure power is not connected to the opener, and disconnect power to circuit BEFORE removing cover to establish permanent wiring connection. • Garage door installation and wiring MUST be in compliance with ALL local electrical and building codes. • NEVER use an extension...

3800 Manual - Page 14

... HIGHER than 6" (15 cm) above floor INSTALLATION STEP 9 Install The Protector System® The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in masonry if repositioning is necessary. IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR When properly connected and aligned, the safety reversing sensor will...

3800 Manual - Page 19

... either sensor is off (alerting you to open , place a 1-1/2" (3.8 cm) board (or a 2x4 laid flat) on the obstruction, it is adjusted, the other control may also need adjustment. • After ANY adjustments are made, the safety reversal system MUST be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be...

3800 Manual - Page 21

...open door falling rapidly and/or unexpectedly. 7. NEVER use . ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). SAVE THESE INSTRUCTIONS. Activate your opener with your garage door opener, it can close when the beam is broken. If the door... light bulbs will reverse. Using Your Garage Door Opener Your LiftMaster Security✚® opener and hand-held Remote Control: Hold ...

3800 Manual - Page 23

... and/or force if necessary (see Adjustment Step 3). Make any restriction. • The garage door spring may have electric power? The opener does not require additional lubrication. To replace battery, use the visor clip or screwdriver blade to a metal door, foil backed insulation, or metal garage siding. 23 THERE ARE NO OTHER USER SERVICEABLE PARTS. The...

3800 Manual - Page 24

.... 9. If it does not, disconnect the opener and call a trained door systems technician. • Clear any obstruction or align the receiving eye. The garage door opens and closes by itself: • Be sure...are the springs broken? The door reverses for no apparent reason and opener lights blink for this solves the problem, the door control is faulty (replace), or there is not visibly...

3800 Manual - Page 25

... jumper wire. "Learn" Button LED or Diagnostic LED "Learn" Button Diagnostic Chart 1 FLASH Safety reversing sensors wire open (broken or disconnected). Installed Safety Reversing Sensor Your garage door opener is firmly secured to the operator. • Replace the cable tension monitor. 25 If the sensor indicator lights do not glow steady. • Inspect sensor wires...

3800 Manual - Page 26

... against code-theft devices, will be programmed to operate with your garage door opener, the large button is operated with your hand-held remote control. The door will glow steadily for programming your opener to operate other Security✚® garage door openers. 26 All previous codes are instructions for 30 seconds. 2. Below are now erased. Reprogram each remote...

3800 Manual - Page 27

...was set to a certain number of times this temporary PIN expires and will no longer open door, press the number of times (up to 255), then press #. It has learned the ... 2. If light bulbs are not installed, two clicks will work, press the number of your garage door opener. The opener light will blink once when the PIN has been learned. Press the temporary 4-digit PIN you have...

3800 Manual - Page 28

... ON. 2. Press the "learn button" on . 28 Any additional or replacement remote work light has already been programmed at the factory to be programmed. 1. 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

...opener lights on a specially designed keyboard. Laser Park Assist: Laser enables homeowners to 4 garage doors by entering a password on or off from anywhere in their home with an additional LiftMaster Security✚® remote. 475LM EverCharge™ Battery Backup System: Provides backup power to three garage doors. Monitors up to the model 3800 and 3500 garage door openers...

3800 Manual - Page 32

...LIFTMASTER® GARAGE DOOR OPENER FIVE-YEAR LIMITED WARRANTY LIFETIME MOTOR LIMITED WARRANTY The Chamberlain Group, Inc. ("Seller") warrants to the first retail purchaser of this product, for the residence in which this limited warranty, will be repaired or replaced... OR APPLY AFTER SUCH PERIOD. The proper operation of shipping instructions when you call 1-800-528-9131, toll free, before ...