User manual LIFT-MASTER 3800
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Manual abstract: user guide LIFT-MASTER 3800
Detailed instructions for use are in the User's Guide.
[. . . ] 845 Larch Avenue Elmhurst, Illinois 60126-1196 www. liftmaster. com
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GARAGE DOOR OPENER Model 3800
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For Residential Sectional Doors With Torsion Assemblies Only
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Owner's Manual
Please read this manual and the enclosed safety materials carefully!The door WILL NOT CLOSE unless The Protector System® and cable tension monitor are connected and properly aligned. The model number label is located behind the hinged door of your opener.
De
tails
TABLE OF CONTENTS
Introduction 2-5 Operation 21-25
Safety symbol review and signal word review . . 23-25
Programming
26-28
Assembly
6
Attach the collar to the motor unit . [. . . ] Push the remote control or control console a third time to send the door to the DOWN (close) position. The LED (Indicator Light) will stop flashing when the force has been learned. The door must travel through a complete cycle, UP and DOWN, in order for the force to be set properly. If the unit cannot open and close your door fully, inspect your door to insure that it is balanced properly and is not sticking or binding. See page 4, "Preparing your garage door. "
WARNING
Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. · NEVER learn forces or limits when door is binding or sticking. Repair door first · Too much force on garage door will interfere with proper operation of safety reversal system. · After ANY adjustments are made, the safety reversal system MUST be tested. Door MUST reverse on contact with 1-1/2" high (3. 8 cm) object (or 2x4 laid flat) on floor.
CAUTION
Figure 1
Indicator Light
Figure 2
Black Button Push Purple button twice to enter unit into Force Adjustment Mode
BLACK
Purple Button
PURPLE
Figure 3
or
LOC
K LIG HT
18
ADJUSTMENT STEP 3
Test the Safety Reversal System
TEST · With the door fully open, place a 1-1/2" (3. 8 cm) board (or a 2x4 laid flat) on the floor, centered under the garage door. ADJUST · If the door stops on the obstruction, it is not traveling far enough in the down direction. · When the door reverses on the 1-1/2" (3. 8 cm) board (or 2x4 laid flat), remove the obstruction and run the opener through 3 or 4 complete travel cycles to test adjustment. · If the unit continues to fail the Safety Reverse Test, call for a trained door systems technician. IMPORTANT SAFETY CHECK: Test the Safety Reverse System after: · Each adjustment of limits, or force controls. · Any repair to or adjustment of the garage door (including springs and hardware). · Any repair to or adjustment of the opener.
WARNING
Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. · If one control (force or travel limits) is adjusted, the other control may also need adjustment. · After ANY adjustments are made, the safety reversal system MUST be tested. Door MUST reverse on contact with 1-1/2" (3. 8 cm) high object (or 2x4 laid flat) on the floor.
CAUTION
1-1/2" (3. 8 cm) board (or a 2x4 laid flat)
ADJUSTMENT STEP 4
Test The Protector System®
· Press the remote control push button to open the door. The door will not move more than an inch, and the opener lights will flash. The garage door opener will not close from a remote if the indicator light in either sensor is off (alerting you to the fact that the sensor is misaligned or obstructed). If the opener closes the door when the safety reversing sensor is obstructed, do not operate the door. Call for a trained door systems technician.
WARNING
Without a properly installed safety reversing sensor, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
CAUTION
Safety Reversing Sensor
Safety Reversing Sensor
19
ADJUSTMENT STEP 5
Test Cable Tension Monitor
If your cable tension monitor has been activated the LED will blink 9 times.
WARNING
To prevent possible SERIOUS INJURY or DEATH from a falling garage door: · If possible, use emergency release handle to disengage door ONLY when garage door is CLOSED. [. . . ] Monitors up to 4 garage doors by adding additional sensor modules.
916LM
Garage Door Monitor Sensor: Additional accessory sensor for homes with multiple garage doors.
380LM
475LM
EverChargeTM Battery Backup System: Provides backup power to the model 3800 and 3500 garage door openers.
975LM
31
LIFTMASTER® SERVICE IS ON CALL
OUR LARGE SERVICE ORGANIZATION SPANS AMERICA INSTALLATION AND SERVICE INFORMATION IS AS NEAR AS YOUR TELEPHONE. SIMPLY DIAL OUR TOLL FREE NUMBER:
HOW TO ORDER REPAIR PARTS
Selling prices will be furnished on request or parts will be shipped at prevailing prices and you will be billed accordingly. WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE FOLLOWING INFORMATION: · PART NUMBER · PART NAME · MODEL NUMBER ADDRESS ORDERS TO: THE CHAMBERLAIN GROUP, INC. Country Club Road Tucson, Arizona 85706 SERVICE INFORMATION TOLL FREE NUMBER:
1-800-528-9131
www. liftmaster. com
For professional installation, parts and service, contact your local LIFTMASTER/CHAMBERLAIN dealer. [. . . ]
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