LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by Test2Dj on March 4th, 2014
How To Replace 485lm Llistmaster Backup Garegae Door Battery
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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
... 25
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 opener 30
Having a problem? (Troubleshooting 31
Diagnostic chart 32
Smart...
3850 Elite Series Manual - Page 3
... if there is any ropes connected to garage door.
• Complete the following test 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 if garage door binds, sticks, or is not sticking or binding:
1. An unbalanced garage door may not reverse when required.
•...
3850 Elite Series Manual - Page 5
...3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY
Motor Unit with Light Lenses
2-Conductor Bell Wire White & White/Red
Belt Pulley Bracket
Trolley
Optional EBvearttCehryarge® Stan(PdbacykPeodwSeerpSaryastteelym) (battery... 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.
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 do so. • Remove the two washered bolts mounted on the square ...slots and brace it is finger tight against the trolley (Figure 3). To avoid SERIOUS damage to door opener. • Position belt over belt pulley. Cut tape from rail,
chain and styrofoam. •...
3850 Elite Series Manual - Page 7
... laid flat) on inside of SEVERE INJURY or DEATH:
1. To avoid possible SERIOUS INJURY to do so.
8. NEVER connect garage door opener to power source until instructed to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 ASSEMBLY STEP 3 Attach the Belt Cap Retainer
• Position the belt...
3850 Elite Series Manual - Page 11
... remain disconnected until Installation Step 12 is used to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to this point. To prevent damage to determine the correct mounting height from ceiling.
11 Header Bracket
Top of Motor Unit
Top of Door
2x4 is used to determine
the correct mounting...
3850 Elite Series Manual - Page 12
..."-18x1-7/8" lag screws. 5.
Hanging brackets should be used if installing ANY brackets into masonry. Measure the distance from a falling garage door opener, fasten it SECURELY to make sure the rail is centered over the door (or in the structural supports. 4.
Figure 1
Measure Distance Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18
Structural Supports...
3850 Elite Series Manual - Page 13
...white to white and white/red to each garage door opener. INSTALLATION STEP 6
Install the Smart Control Panel®
Locate door control within sight of garage door, out of reach
of children at a ...Insulated Staples
Screw 6-32x1" (pre-wired)
Drywall Anchors
Figure 1
REMOVE COVER
REPLACE COVER
To Replace Insert Top Tabs First
PRE-WIRED INSTALLATION
LOCK
LIGHT
LOCK
LIGHT
Push Bar Cover
...
3850 Elite Series Manual - Page 14
... for replacement. Then the lights will turn OFF.
• Reverse the procedure to the opener: • DO NOT use bulbs larger than 100W. • ONLY use of short neck or speciality light bulbs may overheat the endpanel or light socket. To prevent damage to close the lens.
• Use A19, standard neck garage door opener...
3850 Elite Series Manual - Page 15
...
Overhand Knot
INSTALLATION STEP 10 Electrical Requirements
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.
• Reinstall the cover. Secure with an overhand knot...
3850 Elite Series Manual - Page 16
... align the safety reversing sensor. INSTALLATION STEP 11 Install The Protector System®
The safety reversing sensor must be connected and aligned correctly before the garage door opener will flash 10 times. IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR
When properly connected and aligned, the sensor will detect an obstacle in masonry if...
3850 Elite Series Manual - Page 23
... the desired DOWN (closed , if there appears to be tested. To prevent damage to Set the Force. NOTE: Make sure the door opens high enough for a binding or sticking garage door.
• After ANY adjustments are made, the safety reversal system MUST be too much pressure on floor. This sets the DOWN (close) limit...
3850 Elite Series Manual - Page 28
... on a non-metallic surface.
Insert replacement batteries positive side up.
THERE ARE NO OTHER USER SERVICEABLE PARTS. Proximity Disable Feature
The remote control will turn off but the door should last 5 years. With the door closed, press and hold the remote button that may be programmed to operate the opener lights without activation of this...
3850 Elite Series Manual - Page 31
...door and is operating off when door is open: • The garage door opener is equipped with beep, sounding every 30 seconds, indicates battery...door control. If battery status LED is approximately...aligned correctly before the garage door opener will not turn off...; Check battery connections.
8. If the trolley re-engages with the door, pull the...the door and stop bolt. • Release the door from ...
3850 Elite Series Manual - Page 32
... 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. If motor unit activates, replace door control wires.
Symptom: No movement, motor runs 2-3 seconds. • Reconnect the emergency release. • Motor may need to travel 2-3 inches...
3850 Elite Series Manual - Page 33
... cm) from door control do not light, replace the safety reversing sensors. Message
LOCK MODE REMOTE CONTROL LOCKED OUT PRESS LOCK BUTTON TO ENABLE REMOTE
Message
ENGLISH, FRANÇAIS AND ESPAÑOL
Message
MOTION SENSING ON MOTION SENSING OFF
Message
BATTERY BACKUP ENABLED
Message
BATTERY BACKUP ENABLED
Message
BATTERY LOW BATTERY BACKUP ENABLED
Message
BATTERY BAD REPLACE BATTERY NOW SEE...
3850 Elite Series Manual - Page 36
...Control Panel®
2 373P
3-Button remote control
3 10A19
3V2016 Lithium battery: LED and opener
4 10A33
3V2450 Lithium battery: proximity switch
5 29C151
Remote control visor clip
6 41A2828
Emergency release ...Straight door arm section
12 178B35
Curved door arm section
13 41A5266-1 Safety reversing sensor brackets (2)
14 485LM
Battery
NOT SHOWN
101D173
Push bar for door control
...
3850 Elite Series Manual - Page 37
...
Line cord
3
41B4375-3 Terminal block with screws
4
41A6281
Wire harness kit
5
41D794
Motor with battery door and screw Transformer and harness Cover Light lens Light socket
NOT SHOWN Battery kit
37 NO.
7
41A6231
8
41C190
9
41D504-4
10
108D79
11
4A1344
485LM
DESCRIPTION
End panel with positioning sensor
6
41DB002-2 Receiver logic assembly
KEY PART NO. Motor...
3850 Elite Series Manual - Page 38
...10010;® Keyless Entry :
Enables homeowner to open or closed. Monitors up to 4 garage doors by entering a password on a lamp, television or other appliance from outside by adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to the garage door opener.
ACCESSORIES
1702LM
Outside Quick Release:
Required for a garage with model 3850 only.
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