Chamberlain 050DCTBFMC CLOGIC BOARD REPLACEMENT Instruction Manual
- June 5, 2024
- CHAMBERLAIN
Table of Contents
RECEIVER LOGIC BOARD REPLACEMENT
Models 050DCTBFMC and 050DCTBFLKMC
Instruction Manual
NOTE: model 050DCTBFMC replaces WF/TB/TBMC and model 050DCTBLKMC replaces WFLK/TBLK/TBLKMC.
Installation
1. Before you begin
Your garage door opener has an internal gateway located on the receiver logic
board. After installing the new receiver logic board, use the myQ® serial
number found on the provided label to add your garage door opener to your myQ®
account. The products illustrated in the instructions are for reference. Your
product may look different. The logic board firmware has been updated. The
update provides a new Obstruction Notification that signals when the opener
senses resistance, such as an obstruction or other binding in the door and
rail system. The door will stop or reverse to the open limit and the opener
will beep and the lights flash 5 times.
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 the printed
circuit board of the replacement receiver/logic board during installation.
ALWAYS wear protective gloves and eye protection when changing the battery or
working around the battery compartment.
WARNING: This product can expose you to chemicals including lead, which is 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.
| 1.1 Remove the light lens by pulling
the top side of the light lens and swinging the light lens down. Squeeze the
light lens clips to remove the lens from the end panel.
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| 1.2 To maintain your warranty, place
the provided label over the existing label on the end panel of the garage door
opener.
| 1.3 Disconnect electrical and
battery power (if applicable) to the garage door opener.
2. Remove the receiver logic board
2.1 Disconnect the wires from the quick-connect terminals
(A). Disconnect any wires from the lock terminals.
Remove the receiver logic board end panel from the garage door opener.| 2.2
Unplug the wire harnesses from the receiver logic
board. You may need needle-nosed pliers, to remove the harnesses.| 2.3 Remove
the receiver logic board from the
end panel by removing the 2 screws and releasing the 2 clips.
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To insert or remove the wires from the
terminal, push in the tab with a screwdriver tip.| 
|
3. Install a new receiver logic board
For garage door openers without a battery backup system: remove the button
pad from the logic board and replace it with the alternate button pad.
3.1 Connect the wire harnesses to the
new receiver logic board. When
reconnecting the wire harness, be sure
the tabs on the wire harness are facing
the end panel, not the logic board.| 3.2 Insert the antenna wires through
the holes in the end panel. Snap the
receiver logic board into place on the
end panel and fasten it with screws.| 3.3 Reinsert the wires.
Door control wires:
• white wire into the white terminal.
• white/red wire into the red terminal.
Safety sensor wires:
• white wires into the white terminal.
• white/black wires into the grey terminal.
Reconnect any lock terminal wires.
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| 
| 
NOTE: If your logic board
has a wire clip, use the
wire clip to hold wires to
the logic board.| NOTE: Some models will require
the short antenna wire to be placed in the traps of the end panel. | 3.4
Install the light lens by aligning with the hinges and snapping it into place.
Reconnect power.
NOTE: When installing the light lens, ensure the
antenna wires are hanging straight down.
NOTE: A test of the safety reverse system is necessary for safe operation.
Programming
1. Program a remote using the learn button
1.1 Press and release the Learn button on the garage door opener. The Learn
indicator light will glow steadily for 30 seconds.| 1.2 Within 30 seconds,
press and hold the button on the remote control.| 1.3 Release the button when
the garage door opener light blinks. It has learned the code. If light bulbs
are not installed, two clicks will be heard.
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| 
| 
To program the Wi-Fi garage door opener to your network refer to your owner’s manual.
Adjustment
1. 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.
- Incorrect adjustment of garage door travel limits will interfere with the proper operation of the safety reversal system.
- After ANY adjustments are made, the safety reversal system MUST be tested. The door MUST reverse on contact with a 1-1/2″ (3.8 cm) high object (or 2×4 laid flat) on the floor
While programming the travel, the UP and DOWN buttons can be used to move the door as needed. The Safety Reversing Sensors will be disconnected during the Program the Travel process. During the Automatic Force Setup, the door will automatically open and close.
| 1.1 Press and hold the Adjustment Button
until the UP Button begins to flash and/ or a beep is heard.
The Safety Reversing Sensors will be disconnected during the Program the
Travel process.
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| 1.2 Press and hold the UP Button until
the door is in the desired UP position.
| 1.3 Once the door is in the desired UP
position press and release the Adjustment Button. The garage door
opener lights will flash twice and the DOWN Button will begin to flash.
| 1.4 Press and hold the DOWN button until
the door is in the desired DOWN position.
| 1.5 Once the door is in the desired DOWN
position press and release the Adjustment Button. The garage door opener
lights will flash twice. Program the Travel is now complete. If the garage
door opener lights flash 5 times, then programming has timed out and the
Travel Limits have not been set. Please restart the Program and the Travel
process.
1.6 Add the Step Saver sticker under the yellow program button.
2. 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 was 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.
3. Test the Safety Reversal System
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 MUST be tested.
The door MUST reverse on contact with a 1-1/2″ high (3.8 cm) object (or 2×4 laid flat) on the floor.
| 3.1 With the door fully open, place
a 1-1/2 inch (3.8 cm) board (or a 2×4 laid flat) on the floor, centered under
the garage door.
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| 3.2 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:
- Repeat Program the Travel (see Adjustment Step 1);
- Repeat the Safety Reversal test.
If the test continues to fail, call a trained door systems technician.
4. Test the Protector System®
WARNING
Without a properly installed safety reversing sensor, persons (particularly
small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
| 4.1 Open the door. Place an
obstruction in the path of the door.
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| 4.2 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.
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All Rights Reserved
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