LiftMaster 3850 Support Question
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Question posted by rchfc1 on June 3rd, 2012
Horsepower
what is the horsepower rateing of the liftmaster 3850p?
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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
...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 ...INTRODUCTION Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to your garage door and/or the garage door opener if you do not comply with the instructions ...
3850 Elite Series Manual - Page 3
....
2. 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 loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of the opener, instructions will call a trained door systems technician if garage door binds, sticks, or is any...
3850 Elite Series Manual - Page 5
... 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 ...all parts illustrated 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
... Threaded Shaft
Spring/Trolley Nut
Square End
Trolley
Threaded
Nut
Shaft
Ring
Nut Ring Slots
Figure 2 To avoid SERIOUS damage to do not run the garage door opener until it firmly against the trolley (Figure 3). This extends the spring for optimum belt tension.
3850 Elite Series Manual - Page 7
... Place entrapment warning label on properly balanced and lubricated garage door. Door MUST reverse on contact with the three holes in mounting plate. You have now finished assembling your garage door opener.
ALL repairs to the installation section. Install wall-mounted garage door control:
• within sight of the garage door.
• out of reach of children at minimum height...
3850 Elite Series Manual - Page 11
... toward the motor unit. The trolley can remain disconnected until Installation Step 12 is convenient for setting an ideal door-to-rail distance.
• Raise the opener onto a stepladder. 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.
You will need...
3850 Elite Series Manual - Page 12
... hanging brackets with
5/16"-18x1-7/8" lag screws. 5. Drill 3/16" pilot holes in line
with rail grease. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports before installing the opener. Check to provide rigid support. FINISHED CEILING - On finished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to structural supports...
3850 Elite Series Manual - Page 13
... are desired to the R (1) (Figure 2).
2. DO NOT overtighten.
• Replace cover by color: white wire to the W (2) and white/red wire to operate the same garage door opener, it may damage the LCD screen. HARDWARE SHOWN ACTUAL SIZE
Screw 6ABx1-1/4" (standard installation)
Insulated Staples
Screw 6-32x1" (pre-wired)
Drywall Anchors
Figure 1
REMOVE COVER...
3850 Elite Series Manual - Page 14
...
Lens Hinge
14 Do not remove the lens.
• Install a 100 watt maximum light bulb in the fully open position.
Channel
Battery
Battery Cover
INSTALLATION STEP 8
Install the Lights
• Press the release tabs on battery. ... the procedure to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in each socket.
3850 Elite Series Manual - Page 15
.... • NEVER use an extension cord, 2-wire adapter, or change plug in compliance with an overhand knot. Be sure the opener is CLOSED. To make it is required by your garage door opener has a grounding type plug with an overhand knot at this time.
Secure with ALL local electrical and building codes.
• NEVER...
3850 Elite Series Manual - Page 16
... wall framing. above floor
16 INSTALLATION STEP 11 Install The Protector System®
The safety reversing sensor must be connected and aligned correctly before the garage door opener will detect an obstacle in the path of its electronic beam. The sending eye (with an amber indicator light) transmits an invisible light beam to...
3850 Elite Series Manual - Page 24
...
The force setting measures the amount of safety reversal system.
• NEVER use force adjustments to open and close the door.
1. If the garage door opener cannot open (UP).
4. If the door is not sticking or binding.
The LED will open and close the door (DOWN). Door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on...
3850 Elite Series Manual - Page 25
... Steps 1 and 2 Program the Travel Limits and Set the Force.
The garage door opener will not close the door. See Figure 3, page 21.
• Repeat the test.
• When the door reverses on the floor, centered under the garage door.
• Operate the door in the down direction. Door MUST reverse on contact with 1-1/2" high (3.8 cm) object (or 2x4...
3850 Elite Series Manual - Page 26
... remote, follow the instructions in sight until completely closed . Safety reversal system MUST be tested.
11. Activate your garage door opener, it will not close . The opener lights will turn on when someone walks through the open door falling rapidly and/or unexpectedly, causing SEVERE INJURY or DEATH.
7. ALL repairs to cables, spring assemblies and other...
3850 Elite Series Manual - Page 31
...unit hums briefly: • First verify that the trolley is operating off when door is open: • The garage door opener is equipped with beep, sounding every 30 seconds, indicates battery is low. ...: The safety reversing sensor must be connected and aligned correctly before the garage door opener will not activate the door: • Verify your Smart Control Panel® does not display "...
3850 Elite Series Manual - Page 32
...
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. Symptom: The door doesn't activate from the door control. • Inspect door control/wires for a short (staple in wire), correct wiring polarity (black/white wires reversed), broken or disconnected wires...
3850 Elite Series Manual - Page 34
...unit lights blink, it . 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...hold the "learn indicator light will be programmed to operate other Security✚® garage door openers.
34 It has learned the code. To Erase All Codes From Motor Unit Memory
...
3850 Elite Series Manual - Page 35
...close is already mounted outside the garage.
1. It has learned the code. Within 30 seconds, enter a four digit personal identification number (PIN) of your garage door opener. The opener light will blink three times. To... temporary PIN was set the number of times this temporary PIN will no longer open the door. LOCK
LIGHT
3. LOCK
LIGHT
To change an existing, known PIN
If the ...
3850 Elite Series Manual - Page 38
... of hours or entries.
370LM 378LM
915LM
CLOSED OPEN
Garage Door Monitor:
Security for the largest door of your garage door is open garage door manually from outside by entering a password on a lamp, television or other appliance from lightning and power surges.
38 Also can be limited to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in...
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