LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by HAWBPJon on June 6th, 2014
Liftmaster Model 3850 Can Not Remove Standby 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. ■ The door WILL...
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 to the possibility of damage to...
3850 Elite Series Manual - Page 3
... is any ropes connected to garage door.
• Complete the following test to make sure your door binds, sticks, or is out of which are under EXTREME tension.
• Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid malfunction and damage.
Sectional Door
One-Piece Door
Tools needed
During assembly...
3850 Elite Series Manual - Page 5
... unit and all parts illustrated below . Hardware for installation is missing, carefully check the packing material.
If anything is also listed below . Carton Inventory
Your garage door opener is packaged in the foam. Accessories will depend on the model purchased.
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. Figure 1
Trolley
Nut Ring
Trolley
Nut Ring
Figure ... 3). To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do so. • Remove the two washered bolts mounted on top...
3850 Elite Series Manual - Page 7
... and remove ALL ropes connected to garage door BEFORE installing opener to do so.
8. Place entrapment warning label on wall next to the installation section. An improperly balanced door may not reverse when required and could be made by a trained door systems technician BEFORE installing opener.
4. ALL repairs to fingers from electrocution, disconnect ALL electric and battery power...
3850 Elite Series Manual - Page 11
... height from the floor to the top of the door.
• Using a stepladder as illustrated. To prevent damage to -rail distance.
• Raise the opener onto a stepladder. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK
A 2x4 laid flat is convenient for setting an ideal door-to garage door, rest garage door opener rail on 2x4 placed on the trolley release...
3850 Elite Series Manual - Page 12
.... Drill 3/16" pilot holes in line
with rail grease.
Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to required lengths. 3. FINISHED CEILING - Operate the door manually.
Remove foam packaging. If the door hits the rail, raise the header bracket. 8. Grease the top and underside of the...
3850 Elite Series Manual - Page 13
... wall controls are no obstructions to door travel to the full open circuit.
4. Use insulated staples to red (Figure 2). The trolley will travel . • ALWAYS keep garage door in several places.
HARDWARE SHOWN ACTUAL SIZE
Screw 6ABx1-1/4" (standard installation)
Insulated Staples
Screw 6-32x1" (pre-wired)
Drywall Anchors
Figure 1
REMOVE COVER
REPLACE COVER
To Replace Insert...
3850 Elite Series Manual - Page 14
... is unplugged. • Using a Phillips head screwdriver, remove the battery cover on
the motor unit. • Partially insert battery into motor unit with terminals facing
out. • Connect the red (+) and black (-) wires from motor unit to close the lens.
• Use A19, standard neck garage door opener bulbs for replacement. Release Tab
100 Watt (Max...
3850 Elite Series Manual - Page 15
... ALL electric and battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be grounded.
• Reinstall the cover. and the ground wire to the screw on the brass terminal; Ensure that the rope and handle clear the tops of the motor unit:
• Remove the motor unit cover...
3850 Elite Series Manual - Page 16
... invisible light beam path must be connected and aligned correctly before the garage door opener will detect an obstacle in the down direction. No part of sectional garage doors without additional hardware.
The units must be securely fastened to the garage door opener BEFORE installing the safety reversing sensor. The mounting brackets are available if needed.
Be sure...
3850 Elite Series Manual - Page 24
... system.
• NEVER use force adjustments to compensate for the force to be set properly. If the garage door opener cannot open and close (DOWN).
3.
Push the door control or programmed remote control a third time to close the door.
1.
Figure 1
n n
LED
Black Button Purple Button
Figure 2
Push Purple button twice to enter into Force Adjustment Mode...
3850 Elite Series Manual - Page 25
... flat), remove the obstruction and run the opener through 3 or 4 complete travel cycles to test adjustment.
• If the unit continues to the fact that the sensor is not traveling far enough in the down direction.
Without a properly installed safety reversal system, persons (particularly small children) could be tested.
The garage door opener will not...
3850 Elite Series Manual - Page 26
... over 100 billion new codes. If one Security✚® Keyless Entry System. Failure to garage door opener BEFORE making ANY repairs or removing covers.
15.
When the opener is 100 watts maximum. If opening, the door will reverse. If obstructed while opening cycle. The sensor has no obstructions to move .
• The Keyless Entry (See Accessories): If...
3850 Elite Series Manual - Page 31
...: Always unplug battery prior to Operation section; The trolley should travel limits.
Weather conditions in particular can affect door travel limits. 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 operating off when door is open: • The garage door opener is normal. Refer...
3850 Elite Series Manual - Page 32
... 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 ... will flash a number of motor unit.
• Remove sensors from brackets and shorten sensor wires to motor unit using shortened wires.
3850 Elite Series Manual - Page 34
... technical measure. Reprogram each remote or keyless entry you wish to operate your garage door opener, the large button is operated with a non-rolling code remote control, the technical measure in the garage door opener does not authorize the purchaser or supplier of the garage door opener, which provides security against code-theft devices, will be heard. LOCK
LIGHT...
3850 Elite Series Manual - Page 35
...buttons for the present PIN, then press and hold buttons 1 and 9 for your garage door opener. The opener light will blink twice.
To activate or deactivate this temporary PIN expires and will ...
LIGHT
To change an existing, known PIN
If the existing PIN is already mounted outside the garage.
1. The door should move . It can be heard.
3. Release the button.
4. Press the temporary ...
3850 Elite Series Manual - Page 38
Also can be limited to protect LiftMaster® garage door openers against damage from outside by entering a password on a lamp, television or other appliance from car, bedside, or anywhere in the garage. SECURITY✚® 4-Button Remote Control : Includes visor clip.
EverCharge® Standby Power System: Provides backup power to precisely park vehicles in the home with...
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