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LiftMaster 3850 Support Question

LiftMaster 3850 Support Question

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Question posted by bonda on February 23rd, 2014

Can I Operate Garage Door Opener Liftmaster 3850p Without The 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...
3850 Elite Series Manual - Page 2

... Test the Protector System 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 garage door and/or the garage door opener if you do not...
3850 Elite Series Manual - Page 3

..., sticks, or is not sticking or binding: 1. 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 balance. Preparing your garage door Before you begin: • Disable locks. • Remove any binding or...
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... 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

...the rail into one of motor unit. To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do so...open end wrench on the square end. Tighten bolts securely. This extends the spring for optimum belt tension. ASSEMBLY 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...
3850 Elite Series Manual - Page 7

... garage door opener. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to do so. 8. Install wall-mounted garage door control: • within sight of the garage door. • out of reach of children at minimum height of 5 feet (1.5 m). • away from ALL moving garage door opener: • ALWAYS keep hand clear of belt pulley while operating opener...
3850 Elite Series Manual - Page 11

... outer trolley toward the motor unit. INSTALLATION STEP 4 Position the Opener Follow instructions which apply to determine the correct mounting height from ceiling. Rail Door 2x4 is used to your door type as a support, raise the top of Door 2x4 is used to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to...
3850 Elite Series Manual - Page 12

... Measure the distance from a falling garage door opener, fasten it SECURELY to opener at this time. Fasten the opener to make sure the rail is centered over the door (or in the structural supports. ... (Not Provided) Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18 12 Operate the door manually. Grease the top and underside of the motor unit to provide rigid support. Concrete...
3850 Elite Series Manual - Page 13

... provided. If installing into gang box) as in several places. NOTE: The functional temperature range of the door control is properly adjusted and there are desired to operate the same garage door opener, it is not connected BEFORE installing door control. • Connect ONLY to a single gang box (Figure 1). If additional wall controls are no obstructions...
3850 Elite Series Manual - Page 14

... ONLY incandescent. ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. Light bulb size should be A19, standard neck only. 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. Release Tab 100 Watt...
3850 Elite Series Manual - Page 15

... a falling garage door: • If possible, use emergency release handle unless garage doorway is 6 feet (1.8 m) above the floor. To make it is required by your garage door opener has a... electrocution or fire: • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall ...
3850 Elite Series Manual - Page 16

... eye (with an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor. Safety Reversing Sensor 6" (15 cm) max. above garage floor. To prevent SERIOUS INJURY or DEATH from inside the garage so that the sending and receiving eyes face each location to clip onto the...
3850 Elite Series Manual - Page 24

... 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 open and close the door fully, inspect the door to ensure that it , repeat Program the Travel Limits. Push the door control or programmed remote control a third time to close (DOWN). 3. Figure 1 n n LED Black...
3850 Elite Series Manual - Page 25

... flat) on the floor, centered under the garage door. • Operate the door in the down position. Without a properly installed safety reversing sensor, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be tested. If the opener closes the door when the safety reversing sensor is obstructed (and...
3850 Elite Series Manual - Page 26

... no effect in SEVERE INJURY or DEATH. 13. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). Your opener will close the door with up to pull garage door open or closed , it can close . See Programming. If the door has been stopped in an open , the door will operate with the door control, the Outside Keylock, or Keyless Entry, if you wish...
3850 Elite Series Manual - Page 31

... direction. • Verify the safety reversing sensors are properly installed, aligned and free of the battery. • A flashing 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. If it does, deactivate the Lock Mode following page. 2. My...
3850 Elite Series Manual - Page 32

... 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. If the sensor indicator lights do not glow steady. • Inspect sensor wires for the sensors. The "Learn...
3850 Elite Series Manual - Page 34

... light bulbs are instructions for 30 seconds. 2. If light bulbs are now erased. PROGRAMMING NOTICE: If this Security✚® garage door opener is operated with your garage door opener, the large button is factory programmed to operate it has learned the code. USING THE "LEARN" BUTTON To Add or Reprogram a Hand-held remote that technical measure. The...
3850 Elite Series Manual - Page 35

... of your garage door opener. The door should move . The opener light will be heard. 2. If light bulbs are not installed, two clicks will glow steadily for 30 seconds. The opener light will ...programmed to operate your choice on the keypad. Press the PROG button again to 0 in step 3. It has learned the code. Press the four buttons for your choice on the door control. 2....
3850 Elite Series Manual - Page 38

... for the largest door of your garage door is designed to protect LiftMaster® garage door openers against damage from ...operate garage door opener from lightning and power surges. 38 Includes battery. Tells you if your home! SECURITY✚® 4-Button Remote Control : Includes visor clip. Surge Protector: The Garage Door Opener Surge Protector is open garage door...

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