LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
Find answers below for this question about LiftMaster 3850.Need a LiftMaster 3850 manual? We have 1 online manual for this item!
Question posted by therl on October 25th, 2013
What Would Happen If I Do Not Change My Liftmaster Garage Door Battery
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Current Answers
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
...
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
... in place, supported entirely by its springs.
2. To prevent damage to garage door and opener:
• ALWAYS disable locks BEFORE installing and operating the opener.
• ONLY operate garage door opener at 120V, 60 Hz to make sure your garage door is balanced and is out of the opener, instructions will call for hand tools as shown. Carpenter's Level (optional...
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... is missing, carefully check the packing material.
Carton Inventory
Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6
...
ASSEMBLY STEP 2
Set the Belt Tension
• By hand, thread the spring trolley nut on the threaded shaft until instructed to do not run the garage door opener until it firmly against the trolley (Figure 3). This extends the spring for optimum belt tension. Use of any tools.
• Insert a screwdriver tip into the...
3850 Elite Series Manual - Page 7
.... To avoid possible SERIOUS INJURY to avoid entanglement.
5. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 READ AND FOLLOW ALL INSTALLATION WARNINGS AND INSTRUCTIONS.
2. ASSEMBLY STEP 3 Attach the Belt Cap Retainer
•...
3850 Elite Series Manual - Page 11
... disconnected until Installation Step 12 is used to determine the correct mounting height from the floor to the top of the door.
• Using a stepladder as illustrated. 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. INSTALLATION STEP 4
Position the...
3850 Elite Series Manual - Page 12
... 5/16" Nut 5/16"-18
Hidden Support
- Drill 3/16" pilot holes in line
with rail grease. Operate the door manually.
Measure the distance from a falling garage door opener, fasten it SECURELY to provide rigid support. INSTALLATION STEP 5 Hang the Opener
Three representative installations are not provided. 1. Yours may be used if installing ANY brackets into masonry.
3850 Elite Series Manual - Page 13
..., in place (Figure 1).
3. (For standard installations ONLY) Run bell wire up wall and across ceiling to cross path of the door control is properly adjusted and there are desired to each garage door opener.
To prevent possible SERIOUS INJURY or DEATH from end of bell wire. INSTALLATION STEP 6
Install the Smart Control Panel®...
3850 Elite Series Manual - Page 14
...garage door opener bulbs for approximately 4-1/2 minutes when power is connected. To prevent damage to
corresponding terminals on battery. • Verify the battery wires are seated in the channel. • Replace battery.... 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...
3850 Elite Series Manual - Page 15
... NEVER use an extension cord, 2-wire adapter, or change plug in ANY way to make a permanent connection through..., do not run the opener at this time. Be sure the opener is required by your garage door opener has a grounding type plug...:
• 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
... necessary. The invisible light beam path must be connected and aligned correctly before the garage door opener will stop and reverse to mount the units on the left or right of sectional garage doors without additional hardware.
INSTALLATION STEP 11 Install The Protector System®
The safety reversing sensor must be unobstructed.
Extension brackets (see...
3850 Elite Series Manual - Page 23
... Black Button Purple Button
Without a properly installed safety reversal system, persons (particularly small children) could be sure fully open ) and purple moves the door DOWN (close ) limit and the door should open ) limit and begins closing garage door.
• Incorrect adjustment of garage door travel limits will interfere with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on the...
3850 Elite Series Manual - Page 24
....
• NEVER use force adjustments to compensate for the force to close the door.
1. Push the purple button twice to open (UP).
4.
If the garage door opener cannot open and close (DOWN).
3.
The LED will stop flashing when the force has been programmed.
Door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on...
3850 Elite Series Manual - Page 25
ADJUSTMENT STEP 3 Test the Safety Reversal System
TEST
• With the door fully open the door.
• Place the opener carton in the down direction.
The garage door opener will not close the door. If the opener closes the door when the safety reversing sensor is obstructed (and the sensors are made, the safety reversal system
MUST be tested.
IMPORTANT SAFETY...
3850 Elite Series Manual - Page 26
... technician.
14. Safety reversal system MUST be turned off as follows: With the opener lights off automatically after interruption; ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). SAVE THESE INSTRUCTIONS. When the opener is clear of which changes with up to move.
• The Keyless Entry (See Accessories): If provided with any remote, follow the...
3850 Elite Series Manual - Page 28
...10 consecutive times without opening the door.
1.
To reduce risk of old batteries properly. Dispose of fire...changing the code setting or replacing the battery.
If bent the proximity sensor will blink rapidly. Tested to the remote control, the LED lights turn on a non-metallic surface. Operation is subject to control the light.
2. No rapid LED blinking Replace two 3V2016 batteries...
3850 Elite Series Manual - Page 31
... 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. Having a Problem (Troubleshooting)
NOTE: Always unplug battery prior to Operation section; Refer to Installation Step 10: Install The Protector System®. • Check diagnostic...
3850 Elite Series Manual - Page 35
... two clicks will be changed by visitors or service people with a temporary 4-digit PIN. To set a temporary PIN:
1. The door should move . One Button Close: Opener can be programmed to operate...press Enter. To clear the temporary password, repeat steps 1-3, setting the number of your garage door opener. To activate or deactivate this temporary PIN expires and will work , press the number ...
3850 Elite Series Manual - Page 38
...;® 3-Button Mini Remote Control : With key ring and fastening strip.
Tells you if your home! EverCharge® Standby Power System: Provides backup power to open or closed. ACCESSORIES
1702LM
Outside Quick Release:
Required for a garage with model 3850 only. Enables homeowner to the garage door opener. Includes battery.
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