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LiftMaster 3850 Support Question

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Question posted by alemmadma on April 8th, 2014

How Much Power Is Used By Garage Door Reverse Sensor

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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

... reversal system 25 Test 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 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 4

... (6 mm) Reversing Sensor ONE-PIECE DOOR WITHOUT TRACK FINISHED CEILING Support bracket & fastening hardware is needed for details. SECTIONAL DOOR INSTALLATION Horizontal and vertical reinforcement is required. Header Wall FINISHED CEILING Support bracket & fastening hardware is required. See page 12. Additional materials may find it helpful to refer back to your garage door. Survey...

3850 Elite Series Manual - Page 5

...Door Control Console SECURITY✚® 3-Button Remote Control Models 3850 (1) 3850-267 (2) SECURITY✚® Keyless Entry Model 3850...Bracket Door Bracket Curved Door Arm Section Safety Sensor Bracket (2) The Protector System® (2) Safety Reversing Sensors ...the packing material. Carton Inventory Your garage door opener is packaged in the foam. Parts may be stuck in...

3850 Elite Series Manual - Page 7

... WARNINGS AND INSTRUCTIONS. 2. Install garage door opener ONLY on wall next to fingers from moving parts of 5 feet (1.5 m). • away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 Place entrapment warning label on properly balanced and lubricated garage door. Place manual release/safety reverse test label in plain...

3850 Elite Series Manual - Page 12

...garage. Drill 3/16" pilot holes in line with 5/16"-18x7/8" hex bolts, lock washers and nuts. 6. Remove the 2x4. NOTE: DO NOT connect power to provide rigid support. Operate the door...Lock Washer 5/16" Nut 5/16"-18 Hidden Support - Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to the structural support. 2....

3850 Elite Series Manual - Page 13

... insulation from end of the door control to each garage door opener. To prevent possible SERIOUS INJURY or DEATH from electrocution: • Be sure power is slower at lower temperatures although the door control remains fully functional. NEVER permit anyone to cross path of closing garage door: • Install door control within sight of door, at a minimum height of 5 feet...

3850 Elite Series Manual - Page 14

... protection when changing the battery or working around the battery compartment. 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 when power is connected. Channel Battery Battery Cover INSTALLATION STEP 8 Install the Lights • Press the release tabs on...

3850 Elite Series Manual - Page 15

... battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall the cover. Secure with ALL local electrical and building codes. • NEVER use handle to the green ground screw. RIGHT WRONG If permanent wiring is grounded. the white (neutral) wire to avoid entanglement. The opener must...

3850 Elite Series Manual - Page 16

... disabled. • Install the safety reversing sensor so beam is necessary. Safety Reversing Sensor 6" (15 cm) max. No part of the door as long as the wall framing. If an obstruction breaks the light beam while the door is closing , the door will stop and reverse to the garage door opener BEFORE installing the safety reversing sensor. If it is necessary to mount...

3850 Elite Series Manual - Page 18

... SAFETY REVERSING SENSORS 1. Figure 6 Bell Wire Finished Ceiling Connect Wire to the opener quick-connect terminals. Strip wire 7/16" (11 mm) 7/16" (11 mm) 2. Use insulated ...door is closing, the door will not close. If the door is required. • Loosen the sending eye wing nut and readjust, aiming directly at opener connections. • Incorrect wiring between sensors and opener...

3850 Elite Series Manual - Page 23

... SERIOUSLY INJURED or KILLED by using the black and purple buttons to vehicles, be tested. NOTE: Make sure the door opens high enough for a binding or sticking garage door. • After ANY adjustments are made, the safety reversal system MUST be sure fully open ) limit and begins closing garage door. • Incorrect adjustment of garage door travel limits will interfere with...

3850 Elite Series Manual - Page 24

... tested. If the garage door opener cannot open and close the door (DOWN). Figure 1 n n LED Black Button Purple Button Figure 2 Push Purple button twice to enter unit into the Force Adjustment Mode. The door will flash quickly. 2. ADJUSTMENT STEP 2 Set the Force The force setting measures the amount of safety reversal system. • NEVER use force adjustments to...

3850 Elite Series Manual - Page 25

... installed safety reversing sensor, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be tested. The door must reverse on the floor. 1-1/2" (3.8 cm) board (or a 2x4 laid flat) ADJUSTMENT STEP 4 Test The Protector System® • Press the remote control push button to open , place a 1-1/2" (3.8 cm...

3850 Elite Series Manual - Page 26

...Activate your garage door opener, it must be seen clearly, it will reverse. If open, the door will reverse. The sensor has no obstructions to move. • The Keyless Entry (See Accessories): If provided with each use, randomly accessing over 100 billion new codes. NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR. 5. NEVER use handle to pull garage door open garage door. If...

3850 Elite Series Manual - Page 30

... feature prevents the trolley from a falling garage door: • If possible, use emergency release handle to pull door open door falling rapidly and/or unexpectedly. • NEVER use handle to disengage trolley ONLY when garage door is unbalanced or binding, call a trained door systems technician. • Check to the opener, press the door control push bar. Do not grease the...

3850 Elite Series Manual - Page 31

... verify that the trolley is normal. Trolley 4. Using the Wall-Mounted Door Control, Light Feature. 6. My door will not close and the light bulbs blink on 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...

3850 Elite Series Manual - Page 32

... "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. • Inspect sensor wires for a short (staple in wire), replace as needed . • Disconnect wires at door control, touch wires together. Symptom: One or both of the Indicator...

3850 Elite Series Manual - Page 33

... cm) from door control do not light, replace the safety reversing sensors. Meaning: Opener is pressed. Message LEARN MODE PRESS REMOTE CONTROL BUTTON TO PROGRAM REMOTE Meaning: This message will appear if the Safety Reversing Sensors are out of alignment, if they are blocked or if the wiring is ready to motor unit using shortened wires. Smart...

3850 Elite Series Manual - Page 38

...® Standby Power System: Provides backup power 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. Wireless Door Control: Push bar, light feature and auxiliary button. For use with SECURITY...