78LM LiftMaster® Security + Multi-Function Control Panel
Replaces the Old Discontinued Part 041A5273-1.
FOR USE WITH Security + GARAGE DOOR OPENERS MANUFACTURED AFTER JANUARY 1,1995 to 2011.
The new 78LM is a direct manufacturers replacement for the 041A5273-1 model. You can control your garage door and opener lights with the Multi-Function Control Panel. It can turn opener lights on/off from inside the  garage and includes an adjustable light timer and illuminated push button for  added convenience. You can also rest assured that all outside remote control  radio signals are locked out while you're away. The 78LM connects to your existing wire. No Wire is included. This wall control is NOT compatible with Security+ 2.0 models using yellow learn buttons.
Includes: wall control, fasteners and instructions.
Genuine Chamberlain® replacement. for LiftMaster Openers.
Door Control Push Button: Press to open or close the door.
Press again to reverse the door during the closing cycle, or to
stop the door while it is opening.
Light Feature: Press the Light button to switch the opener light
on or off. When the door is opened or closed, the light will remain
on for 4-1/2 minutes. Press the Light button to turn it off sooner.
The Light button will not control the opener light when the door is
in motion.
Lock Feature: Designed to prevent operation of the door from
portable remote controls. However, the door will open and close
from the Door Control push bar and from the Keylock and Keyless
Entry accessories.
To activate: Press and hold the Lock button for 2 seconds. The
push button indicator light will flash as long as the lock is on.
To turn off: Press and hold the Lock button again for 2 seconds.
The indicator light will stop flashing. Normal operation will
resume. The Lock feature will also turn off whenever the Learn
button on the opener end panel is activated.
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
Strip wire 7/16" (11 mm)
7/16" (11 mm)
Red GreyWhite
Quick-Connect
Terminals
Antenna
To release wire, push in
tab with screwdriver tip
Door Control
Connections
Push Button
Light
Button
Lock
Button
WHTRED
Bell Wire
Terminal
Screws
LOCK
LIGHT
Opener Terminal Screws
AntennaOpener Panel
WHTRED
Bell Wire
Terminal
Screws
Push Button
Light
Button
Lock
Button
LOCK
LIGHT
OR
)LJXUH
)LJXUH
Door Control Push Button: Press to open or close the door.
Press again to reverse the door during the closing cycle, or to
stop the door while it is opening.
Light Feature: Press the Light button to switch the opener light
on or off. When the door is opened or closed, the light will remain
on for 4-1/2 minutes. Press the Light button to turn it off sooner.
The Light button will not control the opener light when the door is
in motion.
Lock Feature: Designed to prevent operation of the door from
portable remote controls. However, the door will open and close
from the Door Control push bar and from the Keylock and Keyless
Entry accessories.
To activate: Press and hold the Lock button for 2 seconds. The
push button indicator light will flash as long as the lock is on.
To turn off: Press and hold the Lock button again for 2 seconds.
The indicator light will stop flashing. Normal operation will
resume. The Lock feature will also turn off whenever the Learn
button on the opener end panel is activated.
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
Strip wire 7/16" (11 mm)
7/16" (11 mm)
Red GreyWhite
Quick-Connect
Terminals
Antenna
To release wire, push in
tab with screwdriver tip
Door Control
Connections
Push Button
Light
Button
Lock
Button
WHTRED
Bell Wire
Terminal
Screws
LOCK
LIGHT
Opener Terminal Screws
AntennaOpener Panel
WHTRED
Bell Wire
Terminal
Screws
Push Button
Light
Button
Lock
Button
LOCK
LIGHT
OR
)LJXUH
)LJXUH