DowAvailable on most IOS and Android Devices.
Read all warnings and instructions
below thoroughly BEFORE beginning.
You will need:
• Access to your compatible garage
door opener.
• A 2.4GHz router with a strong Wi-Fi
®
signal inside your garage.
• Your Wi-Fi password.
• Your mobile device connected to
your Wi-Fi network (not cellular).
• Bluetooth
®
enabled on your mobile
device.
• A drill with 5/32” bit, screwdriver and
ladder (optional).
SMART GARAGE
®
CONTROL
All versions of:
821LMC
QUICK
START
GUIDE
Replacement Parts
041-0106.....Smart Garage Control Power Supply
821LMC-SENSOR............LiftMaster Door Sensor
K010A0056........Door Sensor 3V Battery, CR2450
Do not remove or paint over this label.
Mount wall control out of child's reach
(at least 5 feet above floor).
114A1719-1 Place next to wall control. Copyright 2008
Child can be pinned under automatic garage
door. Death or serious injury can result.
• Never let child walk or run under moving door.
• Never let child use door opener controls.
• Always keep moving door in sight.
• This opener system is equipped with an
unattended operation feature. The door could
move unexpectedly.
• If person is pinned, push control button or use
emergency release.
• Test door opener monthly:
Refer to your owner’s manual.
Place one-inch object (or 2x4 laid flat) on floor.
If door fails to reverse on contact, adjust opener.
If opener still fails to reverse door, repair or replace opener.
Hub
Door Sensor
Power
Adapter
Anchors
and
Screws
for Hub
Mounting
Plate
Screws for
Door Sensor
Hook and Loop
Adhesive Strips
for Door Sensor
Red
LED
Test
Button
Green
LED
Blue
LED
Amber
LED
Warning
Light
Settings
Button
Door
Sensor
Button 2
Door
Sensor
Button 1
WARNING
Warning
Placard
WHAT’S IN THE BOX
BEFORE YOU START
ADDITIONAL INFORMATION
One Year Limited Warranty
The Chamberlain Group LLC warrants to the first consumer purchaser of this product
that it is free from defect in materials and/or workmanship for a period of 1 year from
the date of purchase.
Software Agreement
Product and the software contained herein are copyrighted. Your opening and use
constitutes acceptance of, and is subject to, License Agreement and Terms of Use
available at www.myq.com/agreement
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.
To reduce the risk of SEVERE INJURY to persons:
• DO NOT enable the LiftMaster Smart Garage Control if
operating either one-piece or swinging doors. Enable this
device with sectional doors ONLY.
Within the US: The Smart Garage Control is not intended for use with garage door openers in
which the photoelectric sensors located near the bottom of the garage door change power mode
(e.g., lights on the sensors turn off after the door is closed), or any Chamberlain Group opener with
a yellow learn button manufactured between 2010 and 2021, or any Linear opener.
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.
LiftMaster.com/smart-garage-control/manual
Door
Control
Warning
Placard
WHEN YOU ARE SET UP
Attach the Warning Placard
• Attach the warning placard to the
wall next to the door control.
LET’S GET SET UP PRODUCT SUPPORT
Download the
Smart Garage Control Owner’s Manual.
Control Two Garage Doors
• Monitor, open and close a
second garage door with an
additional garage door sensor
(SKU: 821LMC-SENSOR, sold
separately).
Download the free myQ
®
App.
Follow the in-app instructions to
set up the Smart Garage Control.
Available on most iOS and Android Devices.
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