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To reduce the risk of SEVERE INJURY to persons:
•   DO NOT enable the Smart Garage™ Control if operating either one-piece or 

swinging doors. Enable this device with sectional doors ONLY.

If using the Smart Garage Control with residential door openers, the Control 
must be used only with door openers manufactured after 1993 that use 
photoelectric sensors located near the bottom of the door track.

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

Compatible with:

Smart Garage

TM

 Control

All versions of:

  •  MYQ-G0401
  •  821LMC

myQ

®

 Smart Garage

TM

 Hub

All versions of:

  •  MYQ-G0301
  •  821LMB

SMART GARAGE 
CONTROL HUB

Amber LED

TO ADD A NEW DOOR SENSOR TO A SECOND 

GARAGE DOOR OPENER GO TO THE myQ APP

TO REPLACE AN EXISTING DOOR SENSOR

1

.

  Press the existing Door Sensor test button. Recall 

if the Hub beeps once or twice. This is the number 
for your existing Door Sensor.

2

.

  On the Hub, press and release button 1 for door 1 or 

button 2 for door 2. The Hub’s amber LED will turn on.

3

.

  Remove the pull tab from the new Door Sensor 

to activate the battery.

4

.

   On the new Door Sensor, press and release the 

Test button. The Hub will fl ash and beep indicating 
successful programming.

5

.

   Mount Door Sensor (instructions to the right).

6

.

   In the myQ App, check that you can open and close 

your garage door to confi rm successful programming.

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 modifi cations 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. 

TEST DOOR SENSOR BATTERY

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 Hub 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 Hub doesn’t beep 
with each press, replace the battery in the Door Sensor. 

Replacement Part: K010A0056 Door Sensor 3V Battery, CR2450.

One Year Limited Warranty: 

The Chamberlain Group, Inc. warrants to the fi rst 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.

SMART GARAGE

 CONTROL DOOR SENSOR 

QUICK START GUIDE

MYQ-G0402 AND 821LMC-SENSOR

NOTE:

 Your Hub has the capacity to program two Door Sensors. 

This Sensor can either be added to a second Garage Door Opener 
or replace an existing inoperable Door Sensor.

myQ Garage

TM

All versions of: 

  •  MYQ-G0201 
  •  821LM

LED
    

   Pull Tab

Test
Button

Door 1
Door 2

HUB

DOOR SENSOR

114-5361-000B

Hook 

and Loop 

Adhesive

Strips

OR

Pry with coin

A.

B.

PRODUCT HELP 

MOUNT DOOR SENSOR

Install the new Door Sensor (top facing up) with the included fastening strips (A.) 

or optional screws (B.) to a clean, dry area on top panel of garage door as shown.

  

Chamberlain.com/smart-garage-control/manual

  

LiftMaster.com/smart-garage-control/manual

© 2020, The Chamberlain Group, Inc. | All Rights Reserved | Tous droits réservés | Todos los derechos reservados

           

114-5361-000B

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