LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by augictrej on March 13th, 2014
How Do I Change The Battery On Lift Master Plus Keypad
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Answer #1: Posted by TechSupport101 on March 13th, 2014 9:43 AM
TechSupport101
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May 24th, 2013 Points: 12,171,305
Member since:
May 24th, 2013 Points: 12,171,305
Hi. See the videos here
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
...
Operation
26-33
Operation safety instructions 26
Using garage door opener 26
Using the wall-mounted door control 27
Using the remote control 28
Troubleshooting 28
The remote control battery 28
EverCharge® Standby Power System (optional 29
To open the door manually 30
Care of your garage door and/or the garage door opener if you do not comply with the...
3850 Elite Series Manual - Page 3
... Wrench Lift the door about halfway as illustrated below. If your garage door is balanced and is not sticking or binding:
1. Preparing your garage door
Before you...garage door, door springs, cables, pulleys, brackets or their hardware, ALL of which are under EXTREME tension.
• Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener...
3850 Elite Series Manual - Page 5
... is packaged in the foam. Carton Inventory
Your garage door opener is also listed below .
Parts may be stuck in two cartons which contain the motor unit and all parts illustrated below .
LOCK
LIGHT
SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console
SECURITY✚® 3-Button Remote Control
Models 3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model...
3850 Elite Series Manual - Page 6
... until it firmly against the trolley (Figure 2).
• Place a 7/16" open end wrench on the square end. This extends the spring for optimum belt tension....against the trolley (Figure 1). To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do not run the garage door opener until instructed to door opener. • Position belt over belt pulley. Do not ...
3850 Elite Series Manual - Page 7
... electric and battery power BEFORE performing ANY service or maintenance.
7 They could result in garage door or opener mechanisms.
9. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to cables, spring assemblies and other hardware MUST be caught in SEVERE INJURY or DEATH.
3. You have now finished assembling your garage door opener. Attach with...
3850 Elite Series Manual - Page 11
... the top of the motor unit. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to your door type as a support, raise the top of the opener to -rail distance.
• Raise the opener onto a stepladder. Rail
Door
2x4 is used to determine
the correct mounting height
from the...
3850 Elite Series Manual - Page 12
... the rail, raise the header bracket. 8. Concrete anchors MUST be different. Remove foam packaging. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to opener at this time. Check to provide rigid support. FINISHED CEILING -
Lag Screws 5/16"-18x1-7/8"
(Not Provided) Bolt 5/16"-18x7/8" Lock...
3850 Elite Series Manual - Page 13
... height of 5 feet (1.5 m) where small children cannot reach, away from end of bell wire. Use insulated staples to each garage door opener. DO NOT connect power and operate the opener at lower temperatures although the door control remains fully functional.
Fasten with a small flat-head screwdriver (Figure 1).
INSTALLATION STEP 6
Install the Smart Control Panel®...
3850 Elite Series Manual - Page 14
... only. ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment.
Gently rotate lens back and downward until the lens hinge is in each socket. To prevent damage to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. INSTALLATION...
3850 Elite Series Manual - Page 15
...
If permanent wiring is required by your garage door opener has a grounding type plug with a third grounding pin.
To avoid installation difficulties, do not run the opener at least 1" (2.5 cm) from electrocution or fire:
• Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be grounded.
•...
3850 Elite Series Manual - Page 16
... The Protector System®
The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the path of its electronic beam. If installing in masonry construction, add a piece of sectional garage doors without additional hardware. This required safety device MUST NOT be disabled. • Install the safety reversing...
3850 Elite Series Manual - Page 24
... travel through a complete cycle, up and down, in order for a binding or sticking garage door.
• After ANY adjustments are made, the safety reversal system MUST be tested. If the garage door opener cannot open and close the door (DOWN). Push the door control or programmed remote control. Figure 1
n n
LED
Black Button Purple Button
Figure 2
Push Purple button...
3850 Elite Series Manual - Page 25
... Limits and Set the Force. Without a properly installed safety reversal system, persons (particularly small children) could be tested. The garage door opener will flash.
Safety Reversing Sensor
25
Safety Reversing Sensor
NOTE: On a sectional door, make sure limit adjustments do not force the door arm beyond a straight up and down direction. ADJUST
• If the...
3850 Elite Series Manual - Page 26
.... The sensor has no obstructions to garage door opener BEFORE making ANY repairs or removing covers.
15. Security✚® light feature: Lights will also turn on when someone walks through the open , the door will blink for 10 seconds until completely closed , it is clear of which changes with the door control, the Outside Keylock, or...
3850 Elite Series Manual - Page 31
... a closed position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery.
31 Refer to disengage. Using the Wall-Mounted Door Control, Light Feature.
6. My garage door opener beeps: • A solid LED with the door, pull the Emergency Release Rope to Operation section; If the trolley re-engages with beep, sounding approximately every...
3850 Elite Series Manual - Page 32
.... Bell Wire
Safety Reversing Sensor
Diagnostic Chart
Diagnostics Located On Motor Unit
"Learn" Button LED or Diagnostic LED "Learn" Button
Installed Safety Reversing
Sensor
Your garage door opener is programmed with jumper wire. Symptom: No movement, motor runs 2-3 seconds. • Reconnect the emergency release. • Motor may need to travel 2-3 inches, check the...
3850 Elite Series Manual - Page 34
... buttons on any unwanted remote, first erase all codes: Press 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. Below are not installed, two clicks will be programmed to operate...
3850 Elite Series Manual - Page 35
...garage door opener. To clear the temporary password, repeat steps 1-3, setting the number of accesses, this feature press and hold buttons 1 and 9 for the present PIN, then press and hold the enter button.
2. The keypad...button close the door even after it has learned the code.
Press the four buttons for the temporary PIN, then press Enter. To Add, Reprogram or Change a Keyless Entry ...
3850 Elite Series Manual - Page 38
... battery. For use with NO access door. SECURITY✚® 3-Button Mini Remote Control : With key ring and fastening strip. ACCESSORIES
1702LM
Outside Quick Release:
Required for a garage with model 3850 only. Wireless Door Control: Push bar, light feature and auxiliary button.
Tells you if your home! Enables homeowner to protect LiftMaster® garage door openers against...
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