LiftMaster 3800 Support Question
LiftMaster 3800 Support Question
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Question posted by njslearn on February 18th, 2014
Liftmaster 3800 Won't Close
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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
... and Service
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 . WARNING
When ... 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 warnings that accompany them carefully.
2 Read...
3800 Manual - Page 4
..., supported entirely by its springs.
2.
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 garage door is balanced and is any ropes connected to garage door.
• Complete the following test to avoid
malfunction and damage. If...
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 ...Screw-In) (2) Handle Rope 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...
3800 Manual - Page 6
... collar, using self-threading screws provided. NOTE: Do not tighten set screws until instructed.
The door may not reverse
correctly or limits may be lost due to collar slip. Ensure that the collar... 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 ...
3800 Manual - Page 7
... wear watches, rings or loose clothing while installing or servicing opener. Door MUST reverse on contact with collar over the torsion bar until instructed to wall. 6. Close the garage door completely. 2. Slide the opener with a 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on properly balanced and lubricated garage door. It may not reverse when required and could be...
3800 Manual - Page 9
... that prevent the cable tension monitor or the cable itself from closing completely when slack is detected, eliminating service calls. Use insulated staples to motor unit.
The cable tension monitor should be connected and properly installed before the garage door opener will reverse the door when excessive slack is detected.
2.
It is supplied as the...
3800 Manual - Page 10
... permit children to operate or play with care to motor unit.
NOTE: DO NOT connect the power and operate the opener at a minimum height of 5' (1.5 m) where small children cannot reach, away from a closing garage door. NEVER permit anyone to red (Figure 3). CAUTION: Continuous exposure of the control console to temperatures below -22°F (-30...
3800 Manual - Page 12
... this time.
This plug will only fit into the outlet you have, contact a qualified electrician to the following procedure. Be sure the opener is required by your garage door opener has a grounding type plug with a third grounding pin. WARNING
To prevent possible SERIOUS INJURY or DEATH from
WARNING electrocution or fire:
• Be sure...
3800 Manual - Page 14
..., the brackets must be securely fastened to the garage door opener
CAUTION BEFORE installing the safety reversing sensor. This required safety device MUST NOT be disabled. • Install the safety reversing sensor so beam is closing. The invisible light beam path must be installed inside the garage
14
Safety Reversing Sensor 6" (15 cm) max. No...
3800 Manual - Page 17
... and hold the purple button until the door reaches the desired UP (open door provides adequate clearance. This sets the UP (open position.
• If the opener is binding or
sticking. See Troubleshooting section.
4. This sets the DOWN (close) limit and should bring the door to the open ) limit and begins closing garage door. • NEVER learn forces or limits when...
3800 Manual - Page 18
... order for the force to open and close your door fully, inspect your garage door." Push the remote control or control console again, the door will interfere with proper operation of force required to be SERIOUSLY INJURED
or KILLED by a closing garage door.
• NEVER learn forces or limits when door is binding or sticking. The door must travel to insure...
3800 Manual - Page 19
The garage door opener will flash. If the opener closes the door when the safety reversing sensor is misaligned or obstructed). Call for a trained door systems technician. Safety Reversing Sensor
Safety Reversing Sensor
19
ADJUSTMENT STEP 4
Test The Protector System®
• Press the remote control push button to close from a remote if the indicator light in either sensor...
3800 Manual - Page 21
... floor.
10. After ANY adjustments are no effect in an open , the door will not close .
5. If closed . READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS.
2. Using Your Garage Door Opener
Your LiftMaster Security✚® opener and hand-held Remote Control: Hold the large push button down until the door starts to move .
• The Keyless Entry (See Accessories): If...
3800 Manual - Page 24
... lock makes noise when operating.
• Call Liftmaster® dealer for no apparent reason and opener lights blink for this solves the problem, the door control is faulty (replace), or there is in any obstruction or align the receiving eye. The garage door opens and closes by its springs. The opener strains to 20 times without power.
13...
3800 Manual - Page 25
...garage door opener is firmly secured to reset.
9 FLASHES
Cable tension monitor reversal. The "Learn" button/diagnostic LED will not operate replace logic board. If motor unit activates,
replace door control. • If motor unit does not activate, disconnect door... If it has found a potential issue. Symptom: Door reverses while closing. • Check for the sensors.
the motor ...
3800 Manual - Page 26
... has learned the code. Press the button on the hand-held remote control. If light bulbs are not installed, two clicks will open and close when you wish to operate your garage door opener, the large button is operated with additional Security✚® remote controls.
Additional buttons on any unwanted remote, first erase all...
3800 Manual - Page 27
...PIN, then press and hold buttons 1 and 9 for your garage door opener. Test by pressing the four buttons for 30 seconds.
2. ...garage.
1. To set a temporary PIN
You may be used up to close is deactivated.
27 To set a temporary PIN:
1.
The opener light will open the door. One Button Close: Opener can be changed by one button close feature has been activated. The opener...
3800 Manual - Page 31
.... Monitors up to the model 3800 and 3500 garage door openers. Includes battery.
Laser Park Assist:
Laser enables homeowners to precisely park vehicles in their home with their home with Security✚®:
Enables homeowner to a programmable number of your garage door is open or closed.
Keyless Entry with an additional LiftMaster Security✚® remote.
378LM...
3800 Manual - Page 32
... ANY OF THESE ITEMS COULD RESULT IN A FEE TO YOU.
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 our service center for warranty repair. Defective parts will be...
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