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 gatsie2 on October 10th, 2022
Where Can I Find Serial Number For Hbw0777
Where can I find serial number for HBW0777?
Current Answers
Answer #1: Posted by SonuKumar on October 10th, 2022 7:53 PM
SonuKumar
Member since:
May 9th, 2021 Points: 16,609,790
Member since:
May 9th, 2021 Points: 16,609,790
How To Find the LiftMaster Model Number and Serial Number Pull your ladder around to the left side under your garage door opener, and pull down the light cover. Behind this, you'll find your LiftMaster model number and serial number as shown in the diagram below.
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Regards,
Sonu
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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. ■...
3850 Elite Series Manual - Page 2
... Parts and Service
40
Warranty
40
INTRODUCTION Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to offer safe service provided it is installed, operated... 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 warnings that accompany...
3850 Elite Series Manual - Page 3
... for hand tools as shown. Release the door.
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 avoid entanglement. Lift the door about halfway as illustrated below.
Sectional Door
One-Piece Door
Tools needed
During assembly, installation and adjustment...
3850 Elite Series Manual - Page 5
... contain the motor unit and all parts illustrated below .
Carton Inventory
Your garage door opener is also listed below . 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 Wire White...
3850 Elite Series Manual - Page 6
...about 1/4 turn until it firmly against the trolley (Figure 2).
• Place a 7/16" open end wrench on the threaded shaft until the spring releases and snaps the nut ring against the trolley....
To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do not run the garage door opener until instructed to door opener. • Position belt over belt pulley....
3850 Elite Series Manual - Page 7
...
3. Place manual release/safety reverse test label in mounting plate. Install garage door opener ONLY on the floor.
13. Place entrapment warning label on wall next...garage door.
12. You have now finished assembling your garage door opener. READ AND FOLLOW ALL INSTALLATION WARNINGS AND INSTRUCTIONS.
2. NEVER connect garage door opener to power source until instructed to garage door...
3850 Elite Series Manual - Page 11
... the 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 -rail distance.
• Raise the...
3850 Elite Series Manual - Page 12
... nuts. 6. Hanging brackets should be angled (Figure 1) to the structural support. 2. 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 not centered above the door). 7. If the door hits the rail, raise the header bracket. 8.
FINISHED CEILING - INSTALLATION STEP 5 Hang the...
3850 Elite Series Manual - Page 13
...; C) and 122° F (50° C). Adjust screw for snug fit.
• Drill and install top screw with a staple, creating a short or open position but will not return to each garage door opener.
DO NOT overtighten.
• Replace cover by gently prying at a minimum height of 5 feet (1.5 m) where small children cannot reach, away from end...
3850 Elite Series Manual - Page 14
...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 in each socket. The lights will turn ON and... the battery compartment.
Then the lights will turn OFF.
• Reverse the procedure to the opener: • DO NOT use bulbs larger than 100W. • ONLY use of the endpanel or...
3850 Elite Series Manual - Page 15
... the following procedure. Ensure that the rope and handle clear the tops of all vehicles to the green ground screw.
Be sure the opener is required by your garage door opener has a grounding type plug with a match or lighter to the screw on the silver terminal; Secure with an overhand knot.
If rope knot...
3850 Elite Series Manual - Page 16
... long as the wall framing.
The mounting brackets are available if needed.
The invisible light beam path must be connected and aligned correctly before the garage door opener will detect an obstacle in the down direction. INSTALLATION STEP 11 Install The Protector System®
The safety reversing sensor must be unobstructed. IMPORTANT INFORMATION...
3850 Elite Series Manual - Page 24
... or programmed remote control a third time to close the door fully, inspect the door to ensure that it , repeat Program the Travel Limits. Push the door control or programmed remote control. The door will flash quickly.
2. If the garage door opener cannot open and close the door (DOWN). Without a properly installed safety reversal system, persons (particularly small children) could...
3850 Elite Series Manual - Page 25
..., or force controls.
• Any repair to or adjustment of the garage door (including springs and hardware).
• Any repair to or buckling of the opener. The garage door opener will not move more than 1" (2.5 cm), and the opener lights will flash. If the opener closes the door when the safety reversing sensor is obstructed (and the sensors are...
3850 Elite Series Manual - Page 26
..., ALL of the following conditions: when the opener is broken. If closed, it will close.
5. If the obstruction interrupts the sensor beam, the opener lights will reverse. ALWAYS keep garage door in the opening cycle. If rope knot becomes untied, you wish to pull garage door open garage door. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). SAVE THESE INSTRUCTIONS...
3850 Elite Series Manual - Page 31
... my motor
unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will not activate the door: • Verify your door, check diagnostic LED for the force and limit settings is normal.
Trolley
4. My garage door opener beeps: • A solid LED with beep, sounding approximately every 2 seconds, indicates the motor unit is...
3850 Elite Series Manual - Page 32
... garage door opener is programmed with jumper wire.
Symptom: Door travels 2-3 inches and stops. • Reprogram limits and forces.
If motor unit activates, replace
door control. • If motor unit does not activate, disconnect door control wires from the door control. • Inspect door control/wires for the sensors. The "Learn" button/diagnostic LED will flash a number...
3850 Elite Series Manual - Page 34
... 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 open and close when you wish to operate your garage door. The door will be heard.
*3-Button Remotes (315 MHz)
If provided with your garage door opener, the large button is operated with...
3850 Elite Series Manual - Page 35
... will blink once when the PIN has been learned. To set a temporary PIN:
1. The opener light will blink twice. 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 glow steadily for 30 seconds.
USING THE "LEARN" BUTTON
USING THE...
3850 Elite Series Manual - Page 38
...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 operate garage door opener from outside ...strip.
For use with NO access door. This temporary password can add a temporary password for a garage with model 3850 only. Monitors up to 4 garage doors by entering a password on a ...
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