LiftMaster 045DCT Guia De Inicio Rapido página 2

3
Install new receiver logic board
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.
End Panel
Logic Board
Wire
Harness
Tabs
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.
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.
Antenna wires
NOTE: Some
Antenna
models will require
wires
the short antenna
wire to be placed in
the traps of the end
panel.
Learn
Indicator
Light
Yellow Learn
Button
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.
To insert or remove the
wires from the terminal,
push in the tab with a
screwdriver tip.
1.2 Within 30 seconds, press and hold the
button on the remote control.
2
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.
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.