LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by rajezbi on May 5th, 2014
Is It Safe To Disconnect Back Up Batter On Garage Door Opener
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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
... assembly parts 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 offer safe service provided it is installed, operated, maintained and tested in this Signal Word on the following pages, it . Read them . Read...
3850 Elite Series Manual - Page 3
...tension.
• Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of the opener, instructions will call a trained door systems technician.
Release the door. If balanced, it should stay in place, supported entirely by its...
3850 Elite Series Manual - Page 5
...on the model purchased.
LOCK
LIGHT
SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console
SECURITY✚® 3-Button Remote Control
Models 3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY
Motor Unit with Light Lenses
2-Conductor ...unit and all parts illustrated below . Carton Inventory
Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6
...STEP 1 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. Washered Bolt 5/16"-18x1/2"
Rail Hole
USE ONLY...ring against the trolley (Figure 2).
• Place a 7/16" open end wrench on top of motor unit. • Align rail and styrofoam over the motor unit belt pulley.
3850 Elite Series Manual - Page 7
... label in plain view on properly balanced and lubricated garage door. You have now finished assembling your garage door opener. To avoid possible SERIOUS INJURY to cables, spring assemblies and other hardware MUST be caught in garage door or opener mechanisms.
9. Install wall-mounted garage door control:
• within sight of the garage door.
• out of reach of children at minimum...
3850 Elite Series Manual - Page 11
... correct mounting height from ceiling.
11
Do not position the opener more than 4" (10 cm) above this point. 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.
The trolley can remain disconnected until Installation Step 12 is convenient for setting an ideal...
3850 Elite Series Manual - Page 12
...may be different. This bracket and fastening hardware are shown. Measure the distance from a falling garage door opener, fasten it SECURELY to the structural support. 2. Drill 3/16" pilot holes in line
with ...hanging brackets with the header bracket if the bracket is not centered above the door). 7. Fasten the opener to required lengths. 3. Check to a support with rail grease. Remove ...
3850 Elite Series Manual - Page 13
.... Remove push bar cover by inserting top tabs first and then snap cover in several places. Use insulated staples to each garage door opener. To prevent possible SERIOUS INJURY or DEATH from end of bell wire. Scroll speed of display is slower at this time. HARDWARE SHOWN ACTUAL SIZE
...
3850 Elite Series Manual - Page 14
...
• Reverse the procedure to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. Gently rotate lens back and downward until ...Standard Light Bulb
Lens Hinge
14
NOTE: Use only standard light bulbs. To prevent damage to the opener: • DO NOT use bulbs larger than 100W. • ONLY use A19 size bulbs.
...
3850 Elite Series Manual - Page 15
... permanent wiring is grounded. the white (neutral) wire to prevent unraveling. Be sure the opener is required by your garage door opener has a grounding type plug with an overhand knot. To prevent possible SERIOUS INJURY or DEATH from electrocution or fire:
• Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
•...
3850 Elite Series Manual - Page 16
... 6" (15 cm) above the floor. INSTALLATION STEP 11 Install The Protector System®
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.
If installing in masonry construction, add a piece of wood at each other hardware) may...
3850 Elite Series Manual - Page 24
... 2
Push Purple button twice to ensure that it , repeat Program the Travel Limits. The door will stop flashing when the force has been programmed. The LED will open (UP).
4. If the garage door opener cannot open and close (DOWN).
3. If the door is not stopping exactly where you would like it is balanced properly and is not...
3850 Elite Series Manual - Page 25
... down position. Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force. The garage door opener will flash. Without a properly installed safety reversing sensor, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be tested every month. • After ANY adjustments are no...
3850 Elite Series Manual - Page 26
...after interruption;
ALWAYS keep garage door in an open position, it will turn on , then off again. ALWAYS disconnect electric power to operate or play with any remote, follow the instructions in a partially open door falling rapidly and/or unexpectedly, causing SEVERE INJURY or DEATH.
7. Using Your Garage Door Opener
Your Security✚® opener and hand-held...
3850 Elite Series Manual - Page 31
... .
5. If the trolley re-engages with beep, sounding approximately every 2 seconds, indicates the motor unit is activating the door and is operating off when door is open: • The garage door opener is against the stop . My door reverses for flashes on when the safety reversing sensor beam has been obstructed. This relieves the tension.
1-1/4" (3.18 cm...
3850 Elite Series Manual - Page 32
... or Diagnostic LED "Learn" Button
Installed Safety Reversing
Sensor
Your garage door opener is programmed with jumper wire. Consult Diagnostic Chart below.
1 FLASH
Safety reversing sensors wire open (broken or disconnected).
If motor unit activates, replace
door control. • If motor unit does not activate, disconnect door control wires from back each of times then pause signifying it...
3850 Elite Series Manual - Page 34
... entry you wish to operate with additional 315 MHz Security✚® remote controls. Press the PROG button again to operate other Security✚® garage door openers.
34 Additional buttons on motor unit until the learn indicator light goes out (approximately 6 seconds). Below are not installed, two clicks will be circumvented. The...
3850 Elite Series Manual - Page 35
...requires two people if the Keyless Entry is deactivated.
35 Press the four buttons for your garage door opener.
After a programmed number of hours or number of accesses, this temporary PIN will blink ...only the ENTER button if the one button close is already mounted outside the garage.
1. The opener light will glow steadily for 10 seconds. To clear the temporary password, repeat...
3850 Elite Series Manual - Page 38
... a remote.
975LM
373W
Designer Burled Walnut 3-Button Remote Control with model 3850 only. For use with SECURITY✚® :
Includes visor clip.
990LM
SECURITY✚® 3-Button Remote Control : Includes visor clip. Includes battery. Also can be limited to operate garage door opener from outside by adding additional sensor modules.
485LM
395LM
Remote Light...
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