LiftMaster 050DCRJB3MC Residential Elite Series Wall Mounted Wi-Fi Opener Instruction Manual

June 1, 2024
LiftMaster

LiftMaster 050DCRJB3MC Residential Elite Series Wall-Mounted Wi-Fi Opener

LiftMaster-050DCRJB3MC-Residential-Elite-Series-Wall-Mounted-Wi-Fi-Opener-
product

Product Information

Specifications:

  • Model: 050DCRJB3MC
  • Compliance: Part 15 of FCC rules, Industry Canada’s license-exempt RSSs
  • Warning: Contains chemicals including lead

Product Usage Instructions

Before You Begin:

Ensure power is disconnected and lower/upper front covers are removed.

Installation Steps:

  1. Disconnect power.
  2. Remove lower and upper front covers.
  3. Disconnect batteries by removing wire from the front battery.
  4. Add Step Saver sticker under the yellow program button.
  5. Route antennas through the cover channel.
  6. Disconnect wires from safety sensors, door control, etc.
  7. Free the antenna and remove logic board cover.
  8. Disconnect all wiring harnesses from the logic board.
  9. Remove screws securing the logic board.
  10. Install the new logic board and connect wiring harnesses.
  11. Adhere the new MyQ serial number label on the logic board cover.
  12. Reconnect power and batteries, reprogram travel and test safety reversal system.
  13. Program remote controls and keyless entries.
  14. Add the new MyQ serial number to your device using the MyQ app.

Frequently Asked Questions

Q: What should I do if I encounter harmful interference after installation?

A: Try correcting the interference by following these measures:

  • Ensure proper installation as per instructions.
  • Reprogram travel and safety systems.
  • Use the MyQ app to add the new MyQ serial number.
  • Check and adjust antenna routing if needed.

WARNING

To prevent possible SERIOUS INJURY or DEATH:

  • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.

CAUTION

To prevent damage to the receiver/logic board, DO NOT touch printed circuit board of the replacement receiver/logic board during installation.

WARNING:

This product can expose you to chemicals including lead, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

FCC Statement

NOTICE: This device complies with Part 15 of the FCC rules and Industry Canada’s license-exempt RSSs. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
This device must be installed to ensure a minimum 20 cm (8 in.) distance is maintained between users/bystanders and device. This device has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules and Industry Canada ICES standard. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

Before you begin

Your new MyQ® serial number is located on the replacement label with your replacement logic board. You will need this new MyQ serial number to connect your opener to the network.

  1. Disconnect power.
  2. Remove the lower and then upper front cover(A).
  3. Disconnect the batteries by removing either the red or black wire from the front battery. Remove the batteries and set aside(B).LiftMaster-050DCRJB3MC-Residential-Elite-Series-Wall-Mounted-Wi-Fi-Opener-fig \(1\)
  4. Add the Step Saver sticker under the yellow program button.
  5. Disconnect the wires coming from the safety reversing sensors,door control, door lock and cable tension monitor (if installed)from the logic board (C).
  6. Free the antenna from the routing in the battery area, and remove the logic board cover by removing the screw at the top of the cover (D).
  7. Disconnect all the wiring harnesses from the logic board (E).
  8. Remove the six screws securing the logic board. Remove the logic board (F), and discard.
  9. Install the new logic board and connect the wiring harnesses.Route the antennas through the channel in the cover. The long antenna should be routed back through the slot in the batteryholder (G).
  10. Adhere the new MyQ serial number label over the original label on the logic board cover. Write the model, serial number, MyQserial number, and MAC address on the new label.
  11. Reconnect power and batteries. Reprogram the travel and test the safety reversal system (see pages 2 and 3).
  12. Program all remote controls and keyless entries.
  13. Use the MyQ app to add the new MyQ serial number to your account.

PROGRAM THE TRAVEL

NOTE: While programming the travel, the UP and DOWN buttons can be used to move the door as needed. During the Automatic Force Setup, the door will automatically open and close.

  1. Press and hold the UP Button until the door is in the desired position.
  2. Once the door is in the desired UP position, press and release the Adjust Button to start the Auto Program Limit Sequence. The garage door opener will sound an audible and visual alert before automatically opening and closing the door. The opener will automatically determine the DOWN position of the door. The garage door opener will sound an audible and visual alert before automatically opening the door partially and closing the door again to refine the DOWN position. Program the Travel is now complete.
    NOTE: If the garage door opener remote work light flashes 5 times, then programming has timed out and the door travel limits have not been set. Please restart the program the travel process.

AUTOMATIC FORCE SET UP

Once both the up and down positions have been manually set, the Safety Reversing Sensors will reconnect and become operational. Then, the opener will enter a force-sensing operation by automatically moving the door open and close. The garage door opener will sound an audible and visual alert before automatically opening and closing the door. The garage door opener will beep three times, confirming that the Automatic Force Setup completed successfully. Adjustment is complete. If you hear one long beep after the door attempts to move, then the Automatic Force Set Up has not been completed successfully. Please start over at step 1 of Program the Travel.

WARNING

Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.

  1. Incorrect adjustment of garage door travel limits will interfere with the proper operation of safety reversal system.
  2. After ANY adjustments are made, the safety reversal system will be tested. Door MUST reverse on contact with 1-1/2″high (3.8 cm) object (or 2×4 laid flat) on floor.

CAUTION

To prevent damage to vehicles, be sure fully open door provides adequate clearance.

ADJUSTMENT

TEST THE SAFETY REVERSAL SYSTEM

  1. With the door fully open, place a 1-1/2 inch (3.8 cm) board (or a2x4 laid flat) on the floor, centred under the garage door.
  2. Press the remote control push button to close the door. The door must reverse when it makes contact with the board.

If the door stops but does not reverse:

  1. Repeat Program the Travel (see Adjustment Step 1);
  2. Repeat the Safety Reversal test.
    If the test continues to fail, call a trained door systems technician.

TEST THE PROTECTOR SYSTEM®

  1. Open the door. Place an obstruction in the path of the door.
  2. Press the remote control push button to close the door. The door will not move more than an inch (2.5 cm).  The garage door opener will not close from a remote control if the LED in either safety reversing sensor is off (alerting you to the fact that the sensor is misaligned or obstructed).If the garage door opener closes the door when the safety reversing sensor is obstructed (and the sensors are no more than 6 inches [15 cm] above the floor), call for a trained door systems technician.

TEST THE POWER DOOR LOCK

  1. With the door fully closed, check to ensure that the power lockbolt is visible protruding through the track.
  2. Press the button on the remote control to open the garage door. The power door lock should retract before the door begins tomove.
  3. Press the button on the remote control to close the garage door.When the door reaches the fully closed position, the power door lock should automatically activate to secure the door.

NOTE: The power door lock can be manually released by slidingthe manual release handle to the open position. However, if the power door lock does not function, contact Chamberlain for a replacement.

TEST THE EMERGENCY RELEASE

Open the Door Manually:

  1. Close the garage door. Slide the manual release handle on power door lock to open before proceeding.
  2. Pull down on the emergency release handle until you hear a click.
  3. Lift the door manually.

Reconnect the Door to the Garage Door Opener:

  1. Pull down on the emergency release handle until you hear a click.The door will reconnect on the next UP or DOWN operation

WARNING

Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.

  • The safety reversal system MUST be tested every month.
  • After ANY adjustments are made, the safety reversal system will be tested. The door MUST reverse on contact with 1-1/2″high (3.8 cm) high object (or 2×4 laid flat) on the floor. WARNING Without a properly installed safety reversing sensor, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.

WARNING

To prevent possible SERIOUS INJURY or DEATH from a falling garage door:

  • If possible, use the emergency release handle to disengage door ONLY when the garage door is CLOSED. Weak or broken springs or unbalanced door could result in an open door falling rapidly and/or unexpectedly.
  • NEVER use an emergency release handle unless the garage doorway is clear of persons and obstructions.

PROGRAMMING

REMOTE CONTROL

Your remote control has been programmed at the factory to operate with your garage door opener. If the remote does not work or you would like to program additional devices, follow the programming steps below. Up to 40 Security+ 2.0® remote controls can be programmed to the garage door opener. Older LiftMaster remote controls are NOT compatible. Programming can be done through the door control or the learn button on the garage door opener. To program additional accessories refer to the instructions provided with the accessory or visit LiftMaster.com. If your vehicle is equipped with a Homelink®, you may require an external adapter depending on the make, model, and year of your vehicle. Visit www.homelink.com for additional information.

To add, reprogram, or change an 893LM remote control/877LM keyless entry pin using the door controlLiftMaster-050DCRJB3MC-Residential-Elite-Series-
Wall-Mounted-Wi-Fi-Opener-fig \(8\)

  1. Press the navigation button below “MENU” to view the Features menu.
  2. Use the navigation buttons to scroll to “PROGRAM”.
  3. Select “REMOTE” or “KEYPAD” to the program from the program.
  4. Remote Control: Press the button on the remote control that you wish to operate your garage door.
  5. Keyless Entry: Enter a 4-digit personal identification number(PIN) of your choice on the keyless entry keypad. Then press the enter button.

The garage door opener lights will flash (or two clicks will be heard) when the code has been programmed. Repeat the steps above for programming additional remote controls or keyless entry devices. If programming is unsuccessful, program the remote using the learn button.

Program an 893MAX remote control using the learn button on the garage door opener

  1. Press and hold the program button on the remote control until the LED on the front of the remote control turns on.
  2. Press and release the remote control button you wish to use andthen press any other button to exit programming.
  3. Press and release the Learn button on the garage door opener. The Learn LED will light. Within 30 seconds…
  4. Press the remote control button programmed in step 2 until the garage door opener light flashes or two clicks are heard.LiftMaster-050DCRJB3MC-Residential-Elite-Series-Wall-Mounted-Wi-Fi-Opener-fig \(10\)

To program other types of remote controls or keyless entries see the instructions included with the device or visit LiftMaster.com.

Add MyQ serial number to MyQ App

To program the Wi-Fi garage door opener to your network, refer to your owner’s manual.

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  • LiftMaster
  • 300 Windsor Drive
  • Oak Brook, IL 60523
  • LiftMaster.com

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