Chamberlain 050DCTWFLK User manual

1
Before you begin
1
Installation
RECEIVER LOGIC BOARD REPLACEMENT
Model 050DCTWFLK
1.2 To maintain your warranty,
place the provided label
over the existing label
on the end panel of the
garage door opener.
1.1 Remove the light lens by pulling
the top sides of the light lens
and rotate the light lens down.
Squeeze the light lens clips to
remove lens from end panel.
1.3 Disconnect electrical and battery
power (if applicable) to the
garage door opener.
Remove the receiver logic board
2
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.
To prevent possible SERIOUS INJURY or DEATH:
• Disconnect ALL electric and battery power BEFORE performing ANY
service or maintenance.
Screws
Wire clip
Clips
A
To insert or remove the wires from the terminal,
push in the tab with a screwdriver tip.
Lock
Terminals
Red White White Grey
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.
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
To prevent damage to the receiver/logic board, DO NOT touch printed
circuit board of replacement receiver/logic board during installation.
ALWAYS wear protective gloves and eye protection when changing the
battery or working around the battery compartment.

2
Front of Logic Board
End Panel
Button Pad
Back of Logic Board
Install new receiver logic board
3
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.
3.3 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.
NOTE: A test of the safety reverse system is necessary for safe operation.
To insert or remove the wires from
the terminal, push in the tab with a
screwdriver tip.
1
Programming
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.
Program a remote using the learn button
Learn
Indicator
Light
Yellow Learn
Button
3.4 Install the light lens by aligning with
the hinges and snapping into place.
Reconnect power.
NOTE: When installing the light lens, ensure the
antenna wires are hanging straight down.
Red White White
Grey
Logic Board
Wire Clip
End Panel
Wire
Harness
Tabs
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 with screws.
NOTE: Some
models will require
the short antenna
wire to be placed in
the traps of the end
panel.
Antenna wires
Antenna
wires
To program the Wi-Fi garage door opener to your network refer to your owner’s manual.
For garage door openers without a battery
back up system: remove the button pad from
the logic board and replace it with the alternate
button pad.
NOTE: If your logic board
has a wire clip, use the
wire clip to hold wires to
the logic board.
Lock
Terminals

3
Program the travel
1
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 proper operation
of safety reversal system.
• After ANY adjustments are made, the
safety reversal system MUST be tested.
Door MUST reverse on contact with 1-1/2"
(3.8 cm) high object (or 2x4 laid flat) on
floor.
1.1 Press and hold the Adjustment Button
until the UP Button begins to flash and/
or a beep is heard.
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.
NOTE: The UP and DOWN Buttons can be used to move
the door up and down as needed.
1.4 Press and hold the DOWN Button
until the door is in the desired DOWN
position.
NOTE: The UP and DOWN Buttons can be used to move
the door up and down as needed.
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 and the UP
Button will begin to flash.
1.6 Press and release the UP Button.
When the door travels to the
programmed UP position, the DOWN
Button will begin to flash.
1.7 Press and release the DOWN Button.
The door will travel to the programmed
DOWN position. Programming is
complete.
* If the garage door opener lights are flashing 5 times during the steps for Program the Travel, the programming has timed out. If the garage door opener lights are flashing 10 times during the steps for
Program the Travel, the safety reversing sensors are misaligned or obstructed. When the sensors are aligned and unobstructed, cycle the door through a complete up and down cycle using the remote
control or the UP and DOWN buttons. Programming is complete. If you are unable to operate the door up and down, repeat the steps for Programming the Travel.
Adjustment

4
3.2 Press the remote control push button
to close the door. The door will not
move more than an inch (2.5 cm), and
the garage door opener lights will flash
10 times.
Test the Protector System®
Synchronize the Door Control
3.1 Open the door. Place the garage door
opener carton in the path of the door. 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.
3
4
2.1 With the door fully open, place a
1-1/2 inch (3.8 cm) board (or a 2x4 laid
flat) on the floor, centered under the
garage door.
Test the Safety Reversal System
2.2 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 and does not reverse on the
obstruction, increase the down travel (refer to
Adjustment Step 1).
Repeat the test. When the door reverses upon
contact with the 1-1/2 inch board, remove the
board and open/close the door 3 or 4 times to
test the adjustment.
If the test continues to fail, call a trained door
systems technician.
Without a properly installed safety reversal
system, persons (particularly small children)
could be SERIOUSLY INJURED or KILLED by
a closing garage door.
• Safety reversal system MUST be tested
every month.
• After ANY adjustments are made, the
safety reversal system MUST be tested.
Door MUST reverse on contact with 1-1/2"
high (3.8 cm) object (or 2x4 laid flat) on
the floor.
2
Without a properly installed safety reversing
sensor, persons (particularly small children)
could be SERIOUSLY INJURED or KILLED by
a closing garage door.
To synchronize the door control to the garage door opener, press the push bar until the garage door opener activates (it may take up to 3 presses). Test the door control by pressing the push bar. Each
press of the push bar will activate the garage door opener.