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LiftMaster 3800 Support Question

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Question posted by Anonymous-98515 on February 12th, 2013

Door Not Closing

Door not going all the way down

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Related LiftMaster 3800 Manual Pages

3800 Manual - Page 1

... manual and the enclosed safety materials carefully! ■ Fasten the manual near the garage door after installation. ■ The door WILL NOT CLOSE unless The Protector System® and cable tension monitor are connected and properly aligned. ■ Periodic checks of the opener are required to ensure safe operation. ■ The model number label is...

3800 Manual - Page 2

... 32 Warranty 32 INTRODUCTION Safety Symbol Review and Signal Word Review This garage door opener has been designed and tested to offer safe service provided it ....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 your garage WARNING door and/or the garage door opener...

3800 Manual - Page 3

... Remote Light Torsion Spring Drum Wall-mounted Access Door Control Console Safety Reversing Sensor Safety Reversing Gap between the garage wall and the center of torsion bar. - Additional materials may find it helpful to refer back to this page as this opener will require hardware not provided. • A model 475LM EverChargeTM Battery Backup...

3800 Manual - Page 7

... to secure the antenna wire to avoid premature wear on properly balanced and lubricated garage door. An improperly balanced door may be mounted at a right angle to the torsion bar to prevent antenna from torsion bar and remove the opener. Close the garage door completely. 2. Securely tighten both set screws firmly, without damaging the jackshaft. 5. WARNING INSTALLATION...

3800 Manual - Page 8

..., heat seal the cut end with hardware provided. 5. Select a door roller to the outside of the rope through the hole in an open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle to prevent the garage door from being manually opened once the door is CLOSED. NOTE: If it is ideal in several places. 6. The...

3800 Manual - Page 9

...the cable tension monitor be connected and properly installed before the garage door opener will reverse the door when excessive slack is not important) (Figure 3). Connect bell ... SHOWN ACTUAL SIZE Figure 1 Opener Torsion Bar Drum Cable 2"-6" (5 cm15 cm) Cable Tension Monitor 1/8"-1/4" (3 mm-6 mm) Cable Tension Monitor Roller With Door Closed Preferred Orientation Figure 2 Wall ...

3800 Manual - Page 10

... are desired to operate the same garage door opener, it can be mounted to the close position until completely closed. Scroll speed of display is slower at this time. Use insulated staples to red (Figure 3). NEVER permit anyone to cross path of closing garage door: • Install control console within sight of door, at a minimum height of 5' (1.5 m) where small...

3800 Manual - Page 14

... be connected and aligned correctly before the garage door opener will stop and reverse to a solid surface such as the sun never shines directly into the receiving eye lens. This required safety device MUST NOT be disabled. • Install the safety reversing sensor so beam is closing garage door: • Correctly connect and align the safety...

3800 Manual - Page 17

Setting the UP position: Press and hold the purple button until the door reaches the desired 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 4 BLACK PURPLE or LOCK LIGHT Push either the black or purple button. This sets the UP...

3800 Manual - Page 18

... a closing garage door. • NEVER learn forces or limits when door is located on garage door will travel to the DOWN (close your door. Repair door first • Too much force on the front panel. The LED (Indicator Light) will travel through a complete cycle, UP and DOWN, in order for the force to open and close your door fully, inspect your garage door." Push...

3800 Manual - Page 19

... sensor, persons CAUTION (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be tested. ADJUSTMENT STEP 3 Test the Safety Reversal System TEST • With the door fully open the door. • Place the opener carton in the down direction. Safety Reversing Sensor Safety Reversing Sensor 19 ADJUST •...

3800 Manual - Page 20

... to be manually released by sliding the manual release handle to disengage door ONLY when garage door is closed if possible. Test the emergency release: • Make sure the garage door is CLOSED. The garage door should be protruding through the track. • Operate the door in an open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle to...

3800 Manual - Page 21

... GO UNDER A STOPPED, PARTIALLY OPENED DOOR. 6. After ANY adjustments are under EXTREME tension, MUST be turned off as follows: Push and hold the light button and the incandescent light bulbs will open position, it must be seen clearly, it will blink once signifying the feature is CLOSED. Garage door MUST reverse on when someone walks through the open door...

3800 Manual - Page 22

... blinks and 4-1/2 minutes. With the door closed, press and hold the Lock button for 2 seconds. However, the door will turn it detects a person entering the garage. Motion Sensing (Automatic Light Feature): The opener light will open or close from hand-held remote To control the opener lights: In addition to operating the door, you are working beyond the sensors...

3800 Manual - Page 23

... must accept any restriction. • The garage door spring may have electric power? The door may cause undesired operation. If not, reverse the wires. If so, Lock mode is swallowed, immediately notify doctor. Dispose of motor unit extends fully downward. • Some installations may be sure door opens & closes fully. THERE ARE NO OTHER USER SERVICEABLE...

3800 Manual - Page 24

... control terminals and operate from the garage floor area where the door closes. • Review Adjustment Step 2. See Adjustment Step 2. The door reverses for no apparent reason and opener lights blink for no apparent reason and opener lights don't blink: • Check cable tension monitor. • Is something obstructing the door? Open and close : • Check cable tension monitor...

3800 Manual - Page 25

... do not light, replace the safety reversing sensors. Symptom: Motor has overheated; Symptom: Door reverses while closing. • Check for a short (staple in wire), replace as needed . • Disconnect wires at door control, touch wires together. Installed Safety Reversing Sensor Your garage door opener is properly connected to 1-2 ft (30-60 cm) from motor unit. If...

3800 Manual - Page 26

...and hold the "learn" button on motor unit until the learn indicator light will open and close when you wish to use. *3-Button Remote If provided with your hand-held Remote... your garage door opener, the large button is operated with a non-rolling code transmitter, the technical measure in the garage door opener does not authorize the purchaser or supplier of the garage door opener, which...

3800 Manual - Page 27

... are not installed, two clicks will blink twice when the one button close the door even after it has learned the code. After a programmed number of hours or number of hours this feature press and hold buttons 1 and 9 for your garage door opener. USING THE "LEARN" BUTTON USING THE LCD CONTROL CONSOLE LOCK LOCK LIGLHIGTHT...

3800 Manual - Page 31

...;® remote. 475LM EverCharge™ Battery Backup System: Provides backup power to the model 3800 and 3500 garage door openers. Includes battery. Also can be limited to a programmable number of your garage door is open or closed. Remote Work Light: Enables homeowner to turn opener lights on a work light from their car with their home with Security✚®...