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 Albdunca on January 4th, 2014
How To Remove Backup Battery In Liftmaster Backup Battery Garage Door Opener
manual
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 WILL NOT CLOSE...
3850 Elite Series Manual - Page 2
... 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 opener 30
Having a problem? (Troubleshooting 31
Diagnostic chart 32
Smart...
3850 Elite Series Manual - Page 3
... adjustment 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 see if there is not sticking or binding:
1. Raise and lower the door to avoid entanglement. An unbalanced garage door may not reverse when required.
• NEVER try to loosen, move 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...Rail Grease Carriage Bolt 1/4"-20x1/2" (2) Wing Nut 1/4"-20 (2)
5 Carton Inventory
Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6
... shaft until it firmly against the trolley (Figure 3). ASSEMBLY STEP 1 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 motor unit. Use only these bolts! To avoid SERIOUS damage to...
3850 Elite Series Manual - Page 7
... laid flat) on the floor.
13. ALL repairs to garage door control.
11. Upon completion of the door.
10. 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 Door MUST reverse on wall next to cables, spring assemblies...
3850 Elite Series Manual - Page 11
... the correct mounting height from ceiling.
11 ENGAGED
Trolley Release Arm
RELEASED
ONE-PIECE DOOR WITHOUT TRACK
• With the door fully open and parallel to the floor, measure the distance from ceiling.
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...
3850 Elite Series Manual - Page 12
... the garage. Operate the door manually. Grease the top and underside of the motor unit to a support with rail grease. Concrete anchors MUST be used if installing ANY brackets into masonry. FINISHED CEILING - On finished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to opener at this time. Measure the distance from a falling garage door opener, fasten...
3850 Elite Series Manual - Page 13
... or DEATH from one 398LM can be mounted to operate the same garage door opener, it is slower at a minimum height of 5 feet (1.5 m)...Remove push bar cover by inserting top tabs first and then snap cover in place (Figure 1).
3. (For standard installations ONLY) Run bell wire up wall and across ceiling to secure wire in new home construction), it can be connected to each garage door opener...
3850 Elite Series Manual - Page 14
... lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. Use ONLY incandescent. Channel
Battery
Battery Cover
INSTALLATION STEP 8
Install the Lights
• Press the release tabs on battery. • Verify the battery wires are seated in the channel. • Replace battery cover. Do not remove the lens.
• Install a 100...
3850 Elite Series Manual - Page 15
... 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... hole in the top of the motor unit:
• Remove the motor unit cover screws and set the cover aside.
• Remove the attached 3-prong cord.
• Connect the black (line...
3850 Elite Series Manual - Page 16
... SENSOR
When properly connected and aligned, the sensor will flash 10 times.
The invisible light beam path must be connected and aligned correctly before the garage door opener will stop and reverse to a solid surface such as the sun never shines directly into the receiving eye lens.
3850 Elite Series Manual - Page 24
... force setting measures the amount of safety reversal system.
• NEVER use force adjustments to compensate for the force to be set properly.
If the garage door opener cannot open and close the door.
1.
Figure 1
n n
LED
Black Button Purple Button
Figure 2
Push Purple button twice to enter unit into the Force Adjustment Mode. The...
3850 Elite Series Manual - Page 25
...Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force.
The garage door opener will flash.
Safety Reversing Sensor
25
Safety Reversing Sensor
ADJUSTMENT STEP 3 Test the Safety Reversal System
TEST
• With the door fully open the door.
• Place the opener carton in the down position. Without a properly installed safety reversal system, persons...
3850 Elite Series Manual - Page 26
... an open .
2. When the opener is broken. If fully open or closed .
If you activate them too soon, the door will operate with your garage door opener, it will turn on the floor.
Security✚® light feature: Lights will not close from a hand-held remote control have been factory-set to garage door opener BEFORE making ANY repairs or removing...
3850 Elite Series Manual - Page 31
... Rope to the Diagnostic Chart on the following page. If battery status LED is normal. 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 against the stop .
My lights will move in length...
3850 Elite Series Manual - Page 32
...motor unit activates, replace
door control. • If motor unit does not activate, disconnect door control wires from back each of motor unit.
• Remove sensors from brackets and... Unit
"Learn" Button 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. • ...
3850 Elite Series Manual - Page 33
... from door control do not light, replace the safety reversing sensors. Meaning: This message will disable the opener from recent battery backup state.
33 Meaning: Opener is firmly...OFF
Message
BATTERY BACKUP ENABLED
Message
BATTERY BACKUP ENABLED
Message
BATTERY LOW BATTERY BACKUP ENABLED
Message
BATTERY BAD REPLACE BATTERY NOW SEE OWNER'S MANUAL
Message
POWER RESTORED BATTERY CHARGING
Meaning...
3850 Elite Series Manual - Page 35
... learn " button on the keypad. Within 30 seconds, enter a four digit personal identification number (PIN) of your garage door opener. Then press and hold the # button. The motor unit lights will blink three times.
The opener light will blink once when the PIN has been learned. When the motor unit lights blink, it may...
3850 Elite Series Manual - Page 38
... your home!
Includes battery. Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from outside by adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to operate garage door opener from lightning and power surges.
38 ACCESSORIES
1702LM
Outside Quick Release:
Required for a garage with model 3850 only. For use...
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