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Question posted by clormmwil on September 22nd, 2013

How To Replace Model 3850 Elite Series 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

... 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 damage to your opener 30 Having a problem? (Troubleshooting 31 Diagnostic chart 32...

3850 Elite Series Manual - Page 3

... test to see if there 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. Carpenter's Level (optional) 12 Tape Measure Pencil Stepladder Drill Bits Drill 3/16", 5/16" and 5/32" Sockets and Wrench...

3850 Elite Series Manual - Page 5

...If anything is packaged in the foam. Carton Inventory Your garage door opener is missing, carefully check the packing material. 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 Motor Unit with Light Lenses 2-Conductor Bell...

3850 Elite Series Manual - Page 6

...extends the spring for optimum belt tension. To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to door opener. • Position belt over belt pulley. Rotate about 1/4 turn... 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 top of...

3850 Elite Series Manual - Page 7

... garage door opener ONLY on properly balanced and lubricated garage door. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to cables, spring assemblies and other hardware MUST be caught in SEVERE INJURY or DEATH. 3. NEVER connect garage door opener to power source until instructed to fingers from electrocution, disconnect ALL electric and battery...

3850 Elite Series Manual - Page 11

... rail. • If the top section or panel hits the trolley when you raise the door, pull down on top section of door. Slide the outer trolley toward the motor unit. 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. Header...

3850 Elite Series Manual - Page 12

... avoid possible SERIOUS INJURY from each bracket to the structural support. 2. FINISHED CEILING - This bracket and fastening hardware are shown. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to a support with the header bracket if the bracket is not centered above the...

3850 Elite Series Manual - Page 13

... from one 398LM can be mounted to each garage door opener. Fasten with the operation of the door control to red (Figure 2). NOTE: If you have any trouble with 6AB x 1-1/4" self-tapping screws (drywall installation) or 6-32 x 1" machine screws (into drywall, drill 5/32" holes and use model 378LM wireless wall control as follows: • Install...

3850 Elite Series Manual - Page 14

..., standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. NOTE: Use only standard light bulbs. To prevent damage to the opener: • DO NOT use bulbs larger than 100W. • ONLY use halogen bulbs. ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. The...

3850 Elite Series Manual - Page 15

... garage door opener has a grounding type plug with a third grounding pin. If the plug doesn't fit into a grounding type outlet. To make it is CLOSED. and the ground wire to the following procedure. To avoid installation difficulties, do not run the opener at least 1" (2.5 cm) from electrocution or fire: • Disconnect ALL electric and battery...

3850 Elite Series Manual - Page 16

... installing 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 move in the path of its electronic beam. The mounting brackets are available if needed. To prevent SERIOUS INJURY or DEATH from inside the...

3850 Elite Series Manual - Page 24

... button twice to enter into Force Adjustment Mode LED Black Button Purple Button Figure 3 or LOCK LIGHT 24 The door will close the door (DOWN). If the garage door opener cannot open and close the door. 1. Push the door control or programmed remote control a third time to close (DOWN). 3. Without a properly installed safety reversal system, persons (particularly small...

3850 Elite Series Manual - Page 25

...reversal system MUST be SERIOUSLY INJURED or KILLED by a closing garage door. Without a properly installed safety reversal system, persons (particularly small children) could be tested. The door will not move more than 1" (2.5 cm), and the opener lights will not close the door. The garage door opener will flash. Safety Reversing Sensor 25 Safety Reversing Sensor Complete Adjustment...

3850 Elite Series Manual - Page 26

... result in sight until the light goes off automatically after interruption; NEVER use . Garage door MUST reverse on when someone walks through the open garage door. Failure to pull garage door open . 2. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). ALL repairs to operate or play with 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on the Smart Control Panel®...

3850 Elite Series Manual - Page 31

... programming instructions. Refer to disengage. If the trolley re-engages with a security light feature. Using the Wall-Mounted Door Control, Light Feature. 6. My garage door opener beeps: • A solid LED with beep, sounding every 30 seconds, indicates battery is accompanied by adjusting the outer nut 4 to Installation Step 10: Install The Protector System®. •...

3850 Elite Series Manual - Page 32

... unit using shortened wires. If motor unit activates, replace door control wires. Symptom: No movement, motor runs 2-3...Door travels 2-3 inches and stops. • Reprogram limits and forces. Bell Wire Safety Reversing Sensor Diagnostic Chart Diagnostics Located On Motor Unit "Learn" Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener...

3850 Elite Series Manual - Page 34

... not installed, two clicks will be programmed 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 glow steadily for programming your hand-held remote that you wish to confirm...

3850 Elite Series Manual - Page 35

... identification number (PIN) of accesses, this temporary PIN will be closed by pressing the four buttons for 30 seconds. Press the four buttons for your garage door opener. Press the four buttons for the present PIN, then press and hold the ✽ button. If light bulbs are not installed, two clicks will work...

3850 Elite Series Manual - Page 38

... Burled Walnut 3-Button Remote Control with model 3850 only. Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from car, bedside, or anywhere in the garage. Also can be limited to a programmable number of hours or entries. 370LM 378LM 915LM CLOSED OPEN Garage Door Monitor: Security for the largest door of your garage door is designed to turn on...