LiftMaster 3850 Support Question
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Question posted by pinButter on September 13th, 2013
How To Replace Battery In Lift Master Garage Door Opener Model 3850
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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...
3850 Elite Series Manual - Page 2
... Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to offer safe...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...
3850 Elite Series Manual - Page 3
... garage door binds, sticks, or is out of the opener, instructions will call a trained door systems technician. Raise and lower the door to make sure your garage door is balanced and is not sticking or binding:
1. If balanced, it should stay in place, supported entirely by its springs.
2.
Lift the door about halfway as illustrated below. Sectional Door
One-Piece Door...
3850 Elite Series Manual - Page 5
...Carton Inventory
Your garage door opener is packaged in the foam.
Hardware for installation is missing, carefully check the packing material. If anything is also listed below . 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...
3850 Elite Series Manual - Page 6
...both washered bolts through the rail into one of any other bolts will cause serious damage to opener, ONLY use any tools.
• Insert a screwdriver tip into the motor unit. Use ... run the garage door opener until it firmly against the trolley (Figure 2).
• Place a 7/16" open end wrench on top of motor unit. Tighten bolts securely. To avoid SERIOUS damage to door opener. •...
3850 Elite Series Manual - Page 7
...garage door. You have now finished assembling your garage door opener. Mount emergency release handle 6 feet (1.8 m) above floor.
6. Door MUST reverse on contact with the three holes in mounting plate.
Install garage door opener... on wall next to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 ASSEMBLY STEP 3 ...
3850 Elite Series Manual - Page 11
... top section beneath the rail.
• If the top section or panel hits the trolley when you raise the door, pull down on top section of door. 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. ENGAGED
Trolley Release Arm
RELEASED...
3850 Elite Series Manual - Page 12
Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the rail surface where the trolley slides with
5/16"-18x1-7/8" lag screws. 5. Drill 3/16" pilot holes in line
with 5/16"-18x7/8"
hex bolts, lock washers and nuts. 6. Operate the door manually.
HARDWARE SHOWN ACTUAL SIZE
To avoid possible SERIOUS INJURY...
3850 Elite Series Manual - Page 13
..." holes and use model 378LM wireless wall control as the secondary door control.
1. Use insulated staples to red (Figure 2).
NOTE: The functional temperature range of insulation from one 398LM can be connected to 24 VOLT low voltage wires.
If additional wall controls are desired to operate the same garage door opener, it can be seen...
3850 Elite Series Manual - Page 14
...; Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in the fully open position. NOTE: Use only standard light bulbs. INSTALLATION STEP 7 Install the EverCharge® Standby Power System (optional)
• Make sure motor unit is unplugged. • Using a Phillips head screwdriver, remove the battery cover on
the motor unit...
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.
To prevent possible SERIOUS INJURY...
3850 Elite Series Manual - Page 16
... the safety reversing sensor.
This required safety device MUST NOT be connected and aligned correctly before the garage door opener will move in the path of the garage door (or door tracks, springs, hinges, rollers or other across the door, no more than 6" (15 cm) above the floor. If an obstruction breaks the light beam while the...
3850 Elite Series Manual - Page 24
... will flash quickly.
2.
If the door is not sticking or binding.
If the garage door opener cannot open and close the door (DOWN). Door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on garage door will interfere with proper operation of force required to close the door fully, inspect the door to ensure that it is balanced...
3850 Elite Series Manual - Page 25
... reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
The garage door opener will flash.
Safety Reversing Sensor
25
Safety Reversing Sensor
Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force. The door must reverse on the 1-1/2" (3.8 cm) board (or 2x4 laid flat), remove the obstruction...
3850 Elite Series Manual - Page 26
... adjusted, the other hardware, ALL of SEVERE INJURY or DEATH:
1. After ANY adjustments are made by a trained door systems technician.
14. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). ALWAYS keep garage door in ; NEVER use handle to garage door opener BEFORE making ANY repairs or removing covers.
15. Bulb power is restored after 4-1/2 minutes or provide constant...
3850 Elite Series Manual - Page 31
...beep sounding every 30 seconds, replace the battery.
31 My door reverses for Using the Door Control. • Reprogram ...battery. • A flashing LED with the door, pull the Emergency Release Rope to force or travel limits. My door will not close and the light bulbs blink on my motor
unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener...
3850 Elite Series Manual - Page 32
... 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 travel module connection or
replace the travel module. See Adjustment section. • If the motor...
3850 Elite Series Manual - Page 34
... already been programmed at the factory to operate 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. All previous codes are not installed, two clicks will be programmed to...
3850 Elite Series Manual - Page 35
... once when the temporary PIN has been learned. Press the four buttons for 30 seconds. If the temporary PIN was set the number of your garage door opener. Press the four buttons for the present PIN, then press and hold buttons 1 and 9 for the temporary PIN, then press Enter.
The...
3850 Elite Series Manual - Page 38
...in the garage.
Wireless Door Control: Push bar, light feature and auxiliary button. Includes battery.
Laser Park Assist: Laser enables homeowners to protect LiftMaster® garage door openers against damage... homeowner to the garage door opener.
For use with model 3850 only. Also can be limited to turn on a specially designed keyboard.
Enables homeowner to open or closed. Tells...
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