LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by cdtrum on February 24th, 2014
Liftmaster Model 3850 Pc How To Stop Battery Beeping
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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
...INTRODUCTION Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to the ...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
... hardware, ALL 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 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)
12 Tape Measure
Pencil
Stepladder
Drill...
3850 Elite Series Manual - Page 5
.../2" (2) Wing Nut 1/4"-20 (2)
5
Hardware for installation is also listed below . If anything is missing, carefully check the packing material. Accessories will depend on the model purchased. Parts may be stuck in two cartons which contain the motor unit and all parts illustrated below . Carton Inventory
Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6
...the threaded shaft until it firmly against the trolley (Figure 2).
• Place a 7/16" open end wrench on top of motor unit. Rotate about 1/4 turn until the spring releases and snaps... damage to door opener. • Position belt over belt pulley.
ASSEMBLY STEP 1 Attach the Rail to the Motor Unit
To avoid installation difficulties, do not run the garage door opener until instructed ...
3850 Elite Series Manual - Page 7
... made by a trained door systems technician BEFORE installing opener.
4. ALL repairs to fingers from moving parts of SEVERE INJURY or DEATH:
1. 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 electrocution, disconnect ALL electric and battery power BEFORE performing...
3850 Elite Series Manual - Page 11
... prevent damage to this height.
• The top of the door should be level with the top of the opener to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to -rail distance.
• Raise the opener onto a stepladder. Do not position the opener more than 4" (10 cm) above this point if the...
3850 Elite Series Manual - Page 12
... bracket to required lengths. 3. FINISHED CEILING - On finished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to provide rigid support. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to the hanging brackets with rail grease. Remove the 2x4. Operate the...
3850 Elite Series Manual - Page 13
... places. Connect bell wire to the quick-connect terminals on screw head and slide down to each garage door opener. The trolley will not return to the close position until completely closed. CAUTION: Continuous exposure of the door control is slower at a minimum height of 5 feet (1.5 m) where small children cannot reach, away from electrocution...
3850 Elite Series Manual - Page 14
.... • Partially insert battery into motor unit with terminals facing
out. • Connect the red (+) and black (-) wires from motor unit to
corresponding terminals on both sides of lens.
Then the lights will turn OFF.
• Reverse the procedure to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately...
3850 Elite Series Manual - Page 15
... fire:
• Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be grounded.
• Reinstall the cover.
the white (neutral) wire to the screw on the brass terminal;
To avoid installation difficulties, do not run the opener at this time.
Overhand Knot
Emergency Release...
3850 Elite Series Manual - Page 16
...must be connected and aligned correctly before the garage door opener will detect an obstacle in masonry construction, add a piece of sectional garage doors without additional hardware. This required safety device ...or DEATH from inside the garage so that the sending and receiving eyes face each location to full open position, and the opener lights will stop and reverse to avoid drilling...
3850 Elite Series Manual - Page 24
...door fully, inspect the door to ensure that it is balanced properly and is not stopping exactly where you would like it, repeat Program the Travel Limits.
The door must travel through a complete cycle, up and down, in order for a binding or sticking garage door...to open (UP).
4. Push the door control or programmed remote control. If the garage door opener cannot open and close the...
3850 Elite Series Manual - Page 25
... STEP 3 Test the Safety Reversal System
TEST
• With the door fully open the door.
• Place the opener carton in the down direction.
Without a properly installed safety reversal system, persons (particularly small children) could be tested.
The garage door opener will flash. If the opener closes the door when the safety reversing sensor is off (alerting you to...
3850 Elite Series Manual - Page 26
... result in SEVERE INJURY or DEATH.
13. Activate your garage door opener, it will blink for 10 seconds, until down until the door starts to door travel.
4. Security✚® light feature: Lights will reverse.
3. If obstructed while opening , the door will reverse.
NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPEN DOOR.
6. If rope knot becomes untied, you activate them...
3850 Elite Series Manual - Page 31
... the safety reversing sensor beam has been obstructed. Using the Wall-Mounted Door Control, Light Feature.
6. 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. My remotes will move away from the remote control...
3850 Elite Series Manual - Page 32
...Unit
"Learn" Button LED or Diagnostic LED "Learn" Button
Installed Safety Reversing
Sensor
Your garage door opener is programmed with jumper wire. If the sensor indicator lights do not glow steady.
...section. • If the motor unit continues to be replaced.
32 Symptom: Door travels 2-3 inches and stops. • Reprogram limits and forces. OR
2 FLASHES
Safety reversing sensors wire shorted...
3850 Elite Series Manual - Page 34
... bulbs are now erased. Additional buttons on the hand-held remote that you press the large push button. PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code.
Within 30 seconds, press and hold the "learn" button on motor unit until the learn...
3850 Elite Series Manual - Page 35
... new 4-digit PIN you have chosen, then press Enter. The motor unit lights will blink three times. The door should move .
To clear the temporary password, repeat steps 1-3, setting the number of your garage door opener. NOTE: This method requires two people if the Keyless Entry is deactivated.
35 Within 30 seconds, enter a four...
3850 Elite Series Manual - Page 38
...in the home with a remote.
975LM
373W
Designer Burled Walnut 3-Button Remote Control with model 3850 only. EverCharge® Standby Power System: Provides backup power to turn on a specially designed keyboard.
Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from outside by disengaging trolley.
373P
41A5281
Extension Brackets:
(Optional) For safety...
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