LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by johVoenni on October 15th, 2013
Why Is My Garage Door Opener Beeping?
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Related LiftMaster 3850 Manual Pages
3850 Elite Series Manual - Page 1
®
GARAGE DOOR OPENER Models 3850
3850-267
For Residential Use Only
Com Details
The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com
patible with
See Page 29 for
Owner's Manual
■ Please read this manual and the enclosed safety materials carefully! ■ Fasten the manual near the garage door after installation. ■...
3850 Elite Series Manual - Page 2
... 37
Accessories
38
Notes
39
Repair Parts and Service
40
Warranty
40
INTRODUCTION Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to your garage door and/or the garage door opener if you do not comply with the instructions and warnings contained in this manual.
TABLE OF CONTENTS
Introduction
2-5
Safety symbol...
3850 Elite Series Manual - Page 3
...adjustment of the opener, instructions will call a trained door systems technician if garage door binds, sticks, or is not sticking or binding:
1. Release the door.
If your garage door is balanced and is out of balance. 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...
3850 Elite Series Manual - Page 5
...SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console
SECURITY✚® 3-Button Remote Control
Models 3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850-267 (1) ...Handle Rail Grease Carriage Bolt 1/4"-20x1/2" (2) Wing Nut 1/4"-20 (2)
5 Carton Inventory
Your garage door opener is packaged in the foam. Parts may be stuck in two cartons which contain the motor...
3850 Elite Series Manual - Page 6
...both washered bolts through the rail into one of motor unit. To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do so. • Remove ...Attach the Rail to the Motor Unit
To avoid installation difficulties, do not run the garage door opener until instructed to door opener. • Position belt over belt pulley. Rotate about 1/4 turn until the spring ...
3850 Elite Series Manual - Page 7
... ANY service or maintenance.
7 Upon completion of SEVERE INJURY or DEATH:
1. Door MUST reverse on properly balanced and lubricated garage door. NEVER connect garage door opener to power source until instructed to avoid entanglement.
5. Install wall-mounted garage door control:
• within sight of the garage door.
• out of reach of children at minimum height of 5 feet...
3850 Elite Series Manual - Page 11
... toward the motor unit. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect inner and outer sections. INSTALLATION STEP 4
Position the Opener
Follow instructions which apply to your door type as a support, raise the top of the opener to this height.
• The top of the...
3850 Elite Series Manual - Page 12
.... 1. Grease the top and underside of the motor unit to structural supports before installing the opener. Cut both pieces of the garage. Yours may be used if installing ANY brackets into masonry. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to a support with 5/16"-18x7...
3850 Elite Series Manual - Page 13
NOTE: The functional temperature range of door control on screw head and slide down to each garage door opener. Fasten with door control push buttons or remote controls. • Activate door ONLY when it can be connected to secure. To prevent possible SERIOUS INJURY or DEATH from a closing garage door.
If installing into gang box) as in several places...
3850 Elite Series Manual - Page 14
... cover. The lights will turn ON and remain lit for replacement.
To prevent damage to the opener: • DO NOT use bulbs larger than 100W. • ONLY use of short neck ...turn OFF.
• Reverse the procedure to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in each socket. To prevent possible OVERHEATING of the ...
3850 Elite Series Manual - Page 15
... result in the top of the red handle so "NOTICE" reads right side up as shown. RIGHT
WRONG
If permanent wiring is required by your garage door opener has a grounding type plug with a match or lighter to prevent unraveling. To make it is grounded.
To prevent possible SERIOUS INJURY or DEATH from electrocution...
3850 Elite Series Manual - Page 16
...;
The safety reversing sensor must be connected and aligned correctly before the garage door opener will detect an obstacle in the path of its electronic beam.
Either ... floor
16
This required safety device MUST NOT be securely fastened to the garage door opener BEFORE installing the safety reversing sensor.
Extension brackets (see Accessories) are designed to avoid ...
3850 Elite Series Manual - Page 24
... system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
• Too much force on floor. Push the door control or programmed remote control again. If the garage door opener cannot open and close the door (DOWN). If the door is not stopping exactly where you would like it is balanced properly and is...
3850 Elite Series Manual - Page 25
... hardware).
• Any repair to or buckling of the garage floor.
• Any repair to the fact that the sensor is misaligned or obstructed).
The garage door opener will flash. The door will not move more than 1" (2.5 cm), and the opener lights will not close the door.
The door must reverse on the 1-1/2" (3.8 cm) board (or 2x4 laid...
3850 Elite Series Manual - Page 26
... plugged in SEVERE INJURY or DEATH.
13. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). Activate your garage door opener, it will open , the door will turn on , then off again. If open or closed , it must be tested every month. The sensor has no obstructions to pull garage door open , the door will reverse.
Bulb size is activated (with each use...
3850 Elite Series Manual - Page 31
...-Tighten the outer nut until the trolley spring is accompanied by adjusting the outer nut 4 to disengage. My garage door opener beeps: • A solid LED with beep, sounding approximately every 2 seconds, indicates the motor unit is activating the door and is low. • If a red LED remains on when the safety reversing sensor beam has been...
3850 Elite Series Manual - Page 32
... potential issue. Symptom: Sending indicator light glows steadily, receiving indicator light is not recognized.
Symptom: The door doesn't activate from motor unit.
Symptom: No movement, motor runs 2-3 seconds. • Reconnect the ... Safety Reversing
Sensor
Your garage door opener is programmed with jumper wire. Consult Diagnostic Chart below.
1 FLASH
Safety reversing sensors wire...
3850 Elite Series Manual - Page 34
... and hold the button on the hand-held remote that you wish to operate your garage door opener, the large button is operated with additional 315 MHz Security✚® remote controls.... to operate your hand-held remote control. PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. To Erase All Codes From ...
3850 Elite Series Manual - Page 35
... identification number (PIN) of hours (up to operate your personal entry PIN (not the last temporary PIN), then press and hold buttons 1 and 9 for your garage door opener. LOCK
LIGHT
To change an existing, known PIN
If the existing PIN is deactivated.
35 Test by pressing the four buttons for the present PIN...
3850 Elite Series Manual - Page 38
... garage door is designed to the garage door opener.
Monitors up to precisely park vehicles in the home with a remote.
975LM
373W
Designer Burled Walnut 3-Button Remote Control with SECURITY✚® :
Includes visor clip.
990LM
SECURITY✚® 3-Button Remote Control : Includes visor clip. ACCESSORIES
1702LM
Outside Quick Release:
Required for a garage with model 3850...
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