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1. Remove the pull tab from the new door sensor to
activate the battery.
2. Install the new door sensor with the included Fastening Strips or optional Screws
to a clean, dry area on top panel of garage door as shown below:
DOOR SENSOR COMPATIBILITY
Compatible with:
myQ
®
Smart Garage™ Hub models MYQ-G0301 and 821LMB.
Also compatible with MyQ Garage
TM
MYQ-G0201 and 821LM with use of
included Spacer.
Visit www.LiftMaster.com/door-sensor or
www.chamberlain.com/door-sensor for more information.
myQ SMART GARAGE DOOR SENSOR
MODELS MYQ-G0302, 821LMB-2SENSOR
To reduce the risk of SEVERE INJURY to persons:
• DO NOT enable the myQ Smart Garage Hub or the MyQ Garage if operating either
one-piece or swinging doors. To be enabled ONLY on a sectional door.
TEST DOOR SENSOR
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
.
PROGRAM THE DOOR SENSOR
Test your door sensor every 6 months or if the myQ system is not working as expected.
Press and release the test button on the door sensor, the LED on the door sensor should blink and the
myQ Smart Garage Hub or MyQ Garage should beep. Wait 5-10 seconds, then repeat this test 5 more
times (wait 5-10 seconds between each test).
If the LED doesn’t blink or the myQ Smart Garage Hub or MyQ Garage doesn’t beep with each press,
replace the battery in the door sensor. Use a 3V Lithium battery size CR2450.
BUTTON
(Settings)
BUTTON 1
BUTTON 2
Wi-Fi Hub
LED
Test BUTTON
Door Sensor
CR2450 Battery
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
Fastening
Strips
Fastening
Strips
Door
Sensor
Front Cover
Screws
Screws
Top
Door
Sensor
Top
Top
Fastening Strips
Fastening Strips
Door
Sensor
Top
Spacer
Spacer
myQ Smart Garage Hub
MyQ Garage
Install using Fastening Strips
Optional: Install using Screws
NOTE:
For solid wood or insulated garage doors ONLY.
Optional: Install using Screws
NOTE:
For solid wood or insulated garage doors ONLY.
Install using Fastening Strips
NOTE:
When installing this door sensor with a MyQ Garage, the included spacer MUST be installed
with the door sensor.
IMPORTANT:
Press the door sensor and
spacer firmly to the garage door for 30
seconds to ensure a secure attachment.
Top Panel
of Garage
Door
Top Panel
of Garage
Door
Top Panel
of Garage
Door
Spacer
Top Panel
of Garage
Door
Top Panel
of Garage
Door
LED
Test
Button
Door Sensor
Pull Tab
MOUNT THE DOOR SENSOR
Use the myQ App to add a new door sensor to your second garage door (For details on the myQ app installation, please reference the
full manual at www.Chamberlain.com/myQsupport).
NOTE:
If you are replacing an existing door sensor, please use the following steps to program your door sensor to both your Wi-Fi Hub
and your Garage Door Opener:
1. From your existing door sensor, recall if the Wi-Fi Hub beeped once or twice when the door sensor Test button was pressed.
2. On the Wi-Fi hub, press and release button 1 for 1 beep or button 2 for 2 beeps. The hub’s yellow LED will turn on.
3. On the new door sensor, press and release the Test button . The Wi-Fi hub will flash and beep indicating successful programming.
4. In the myQ app, check that you can open and close your garage door to confirm successful programming.
If you are replacing your door sensor, please follow these steps first:
1. Press and release the Test button on the existing door sensor until the Wi-Fi
Hub beeps. Note number of beeps (this indicates if original door sensor was
assigned to door 1 [1 beep] or door 2 [2 beeps] on the Wi-Fi Hub).
2. Remove existing door sensor from your garage door.
3. Remove the existing fastening strips from the garage door.
4. Open the existing door sensor and remove the battery.
5. Properly dispose of the door sensor and the battery.