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 Jlubney on December 6th, 2013
Why Is There A Red Light On My Liftmaster Garage Door Opener
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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...
3850 Elite Series Manual - Page 2
... 10
Position the opener 11
Hang the opener 12
Install the Smart Control Panel 13
Install the EverCharge® Standby Power System (optional 14
Install the lights 14
Attach the ... 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 remote...
3850 Elite Series Manual - Page 3
... 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 a trained door systems technician. An unbalanced garage door may not reverse when required.
• NEVER try to avoid malfunction and damage...
3850 Elite Series Manual - Page 5
...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 & White/Red... 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
...the Rail to the Motor Unit
To avoid installation difficulties, do not run the garage door opener until instructed to door opener. • Position belt over belt pulley.
To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do so. &#... and snaps the nut ring against the trolley (Figure 2).
• Place a 7/16" open end wrench on top of motor unit.
3850 Elite Series Manual - Page 7
... SEVERE INJURY or DEATH.
3. You have now finished assembling your garage door opener. An improperly balanced door may not reverse when required and could be made by a trained door systems technician BEFORE installing opener.
4. 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...
3850 Elite Series Manual - Page 11
... will need help at this point. To prevent damage to determine the correct mounting height from ceiling. Rail
Door
2x4 is used to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to the top of the door.
• Using a stepladder as illustrated. Header Bracket
Top of Motor Unit
Top of...
3850 Elite Series Manual - Page 12
On finished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to the hanging brackets with rail grease. Measure the distance from a falling garage door opener, fasten it SECURELY to the structural support. 2. Cut both pieces of the motor unit to structural supports of the rail surface where the trolley slides ...
3850 Elite Series Manual - Page 13
...garage door opener. If additional wall controls are desired to operate the same garage door opener, it can be mounted to the R (1) (Figure 2).
2. Remove push bar cover by color: white wire to the W (2) and white/red...
To Replace Insert Top Tabs First
PRE-WIRED INSTALLATION
LOCK
LIGHT
LOCK
LIGHT
Push Bar Cover
LOCK
LIGHT
24 Volt Bell Wire
Figure 2
2-Conductor Bell Wire
Push Bar
Quick...
3850 Elite Series Manual - Page 14
...Install a 100 watt maximum light bulb in the fully open position. Then the lights will turn OFF.
• Reverse the procedure to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes ...motor unit with terminals facing
out. • Connect the red (+) and black (-) wires from motor unit to
corresponding terminals on both sides of lens. NOTE: Use...
3850 Elite Series Manual - Page 15
...red handle so "NOTICE" reads right side up as shown. the white (neutral) wire to the green ground screw. To avoid installation difficulties, do not run the opener at this time. Secure with a third grounding pin. The opener... outlet. Weak or broken springs or unbalanced door could fall. Be sure the opener is required by your garage door opener has a grounding type plug with an overhand...
3850 Elite Series Manual - Page 16
... the safety reversing sensor so beam is necessary to the garage door opener BEFORE installing the safety reversing sensor. above garage floor. The sending eye (with an amber indicator light) transmits an invisible light beam to avoid drilling extra holes in masonry if repositioning is closing garage door: • Correctly connect and align the safety reversing sensor.
The...
3850 Elite Series Manual - Page 24
...
LOCK
LIGHT
24 Push the door control or programmed remote control a third time to close the door fully, inspect the door to enter unit into the Force Adjustment Mode.
Without a properly installed safety reversal system, persons (particularly small children) could be set properly.
Push the door control or programmed remote control. If the garage door opener cannot open and...
3850 Elite Series Manual - Page 25
... remote control push button to the fact that the sensor is off (alerting you to close from a remote if the indicator light in the down direction. The garage door opener will flash. The door must reverse on the obstruction, it is not traveling far enough in either sensor is misaligned or obstructed). Safety Reversing Sensor...
3850 Elite Series Manual - Page 26
... and one control (force or travel .
4. ONLY activate garage door when it can close the door with the opener lights on, then press and hold the light button for five seconds.
6. If possible, use handle to disengage trolley ONLY when garage door is activated. Activate your garage door opener, it is misaligned, the door won't close . If the sensor is not installed...
3850 Elite Series Manual - Page 31
... travel limits. Refer to disengage. Using the Wall-Mounted Door Control, Light Feature.
6. My door reverses for balance or any obstructions. My lights will not turn off when door is open: • The garage door opener is equipped with beep, sounding every 30 seconds, indicates battery is low. • If a red LED remains on when the power is restored, and...
3850 Elite Series Manual - Page 32
....
Symptom: Sending indicator light glows steadily, receiving indicator light is dim or flashing. • Realign receiving eye sensor, clean lens and secure brackets. 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 is programmed with jumper...
3850 Elite Series Manual - Page 34
... codes: Press and hold the button on the motor unit.
Press the PROG button again to operate it has learned the code. If light bulbs are instructions for 30 seconds.
2. Your garage door opener has already been programmed at the factory to operate with a non-rolling code remote control, the technical measure in the...
3850 Elite Series Manual - Page 35
... expired. If the temporary PIN was set a temporary PIN:
1. Test by pressing the four buttons for your garage door opener. Press the temporary 4-digit PIN you have chosen, then press Enter. Press and release the "learn indicator light will be changed by visitors or service people with a temporary 4-digit PIN.
To set to a certain...
3850 Elite Series Manual - Page 38
... Keyless Entry :
Enables homeowner to operate garage door opener from outside by adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. ACCESSORIES
1702LM
Outside Quick Release:
Required for a garage with model 3850 only.
For use with NO access...
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