meross MSG100 Smart Wi-Fi Garage Door Opener Remote Instruction Manual

1. Overview

The meross MSG100 Smart Wi-Fi Garage Door Opener Remote transforms your existing garage door into a smart, connected device. This manual provides detailed instructions for installation, operation, and troubleshooting to ensure a seamless experience with your new smart home integration.

2. What's in the Box

Upon unboxing your meross MSG100, you should find the following components:

meross MSG100 Smart Wi-Fi Garage Door Opener
Wired Door Sensor with Cable
USB Power Adapter
USB Power Cable
Control Cables for Garage Door Opener
Mounting Accessories (screws, adhesive pads)
User Manual (this document)

**Figure 1:** The meross MSG100 Smart Wi-Fi Garage Door Opener main unit, showing its compact design and connection points for power and control cables.

3. Compatibility Check

Before installation, it is crucial to verify that your existing garage door opener is compatible with the meross MSG100. The device supports over 200 brands and 1600 models, including openers using Security+ 1.0 and Security+ 2.0 protocols (Security+ 3.0 is not supported).

Method 1: Online Compatibility Checker

The easiest way to check compatibility is by visiting the official meross compatibility checker website:

https://www.meross.com/en-gc/compatibility-check/garage-door-opener

Simply enter your garage door opener's brand and model, and the tool will confirm compatibility or indicate if an accessory is needed.

meross Smart Garage Door Opener Compatibility QR Code — **Figure 2:** Image showing a QR code for compatibility check and logos of compatible brands like Craftsman, LiftMaster, and Chamberlain, along with learn button color indicators.

Method 2: Test Wire Verification

If you are unsure or wish to double-check, you can use the provided test wire:

Locate the OSC (Open/Stop/Close) and GND (Ground) terminals on your garage door opener. These are typically where your wall button wires connect.
Insert the two ends of the test wire into these terminals.
If your garage door opens or closes, it is compatible. If the lights blink but the door does not operate, an accessory (such as RGR910 or RGR551C) is required.

If an accessory is needed, meross provides these for free. You can submit your order number and shipping address on the compatibility page to receive it.

Connecting test wire to garage door opener terminals — **Figure 3:** Illustration demonstrating how to connect a test wire to the garage door opener's terminals (OSC and GND) to check for compatibility.

Video 1: Installation Guide - Compatibility Check. This video provides a detailed guide on how to check the compatibility of your garage door opener with the meross MSG100, including using a test wire and identifying different learn button types.

4. Installation

Follow these steps to install your meross MSG100 Smart Wi-Fi Garage Door Opener:

Download the Meross App: Search for "Meross" in your smartphone's app store and download the application.
Power the Device: Plug the USB power adapter into a power outlet near your garage door opener. Connect the USB power cable to the meross MSG100 device.
Connect the Wired Door Sensor: Attach the wired door sensor to the meross MSG100 unit. Mount the sensor and its magnet to your garage door and the adjacent wall/frame, ensuring they are aligned and within 1 inch of each other when the door is closed.
Connect to Garage Door Opener: Connect the control cables from the meross MSG100 to the appropriate terminals on your garage door opener (OSC and GND). Refer to your garage door opener's manual for specific terminal locations.
Mount the Meross Unit: Secure the meross MSG100 unit near your garage door opener using the provided mounting accessories. Ensure it has a stable Wi-Fi signal.
App Pairing: Follow the in-app instructions to pair your meross MSG100 with your Wi-Fi network and complete the setup.

Installation diagram of meross MSG100 with garage door opener — **Figure 4:** Diagram illustrating the installation process, showing the meross MSG100 connected to the garage door opener and the wired sensor mounted on the door.

5. Operating Instructions

Control your garage door conveniently using the Meross app or voice commands.

5.1 App Control

Open the Meross app on your smartphone. You will see your garage door listed. Tap the icon to open or close your garage door from anywhere with an internet connection. The app will display the current status (open/closed).

Remote control of garage door via Meross app — **Figure 5:** Image depicting remote control of a garage door using the Meross app, showing a delivery person outside a garage and a user controlling it from indoors.

Video 2: Smart Garage Door Opener Remote. This video demonstrates the ease of controlling the garage door remotely using the Meross app, highlighting its convenience for various situations.

5.2 Voice Control

The meross MSG100 is compatible with Amazon Alexa, Google Assistant, and SmartThings. Link your meross account to your preferred voice assistant and use simple voice commands to operate your garage door.

"Alexa, open my garage door."
"Hey Google, is my garage door closed?"

Voice control of garage door with Alexa and Google Assistant — **Figure 6:** Image illustrating voice control functionality, with a person in a car using Alexa to open the garage door and another person using Google Assistant to check its status.

Video 3: Alexa, is the garage door closed. This short video demonstrates asking Alexa for the status of the garage door, showcasing the voice control feature.

5.3 Notifications and Reminders

The Meross app provides multiple notification modes to keep you informed about your garage door's status:

Open/Close Status: Receive alerts when the garage door opens or closes.
Overtime Notification: Get reminders if the garage door has been left open for a specified duration.
Overnight Notification: Be alerted if the garage door remains open overnight.

You can also review the garage door's operation history through the app.

**Figure 7:** Image displaying Meross app notifications for garage door status, including alerts for open/close and overtime reminders.

6. Key Features

Remote and Voice Control: Operate your garage door from anywhere using the Meross app or voice commands with Alexa, Google Assistant, or SmartThings.
High Compatibility: Works with a wide range of garage door openers (200+ brands, 1600+ models) supporting Security+ 1.0 and 2.0 protocols.
Multiple Notification Modes: Stay informed with real-time status updates, overtime, and overnight reminders.
Precise and Stable Sensor: High-sensitivity wired sensor ensures accurate monitoring of the garage door status.
Easy Installation: Designed for straightforward setup, requiring acceptable Wi-Fi strength near the garage door.
No Monthly Fees: Enjoy all smart features without any subscription costs.
Separate Antenna: Provides a stronger Wi-Fi signal in the garage for reliable connectivity.

meross MSG100 with separate antenna for improved Wi-Fi — **Figure 8:** The meross MSG100 unit with its separate antenna, designed to provide a stronger and more stable Wi-Fi signal in garage environments.

7. Specifications

Feature	Detail
Product Dimensions	3.7 x 1.8 x 0.9 inches
Item Weight	9.6 ounces
Model Number	MSG100
Brand	meross
Color	White
Special Feature	Universal Compatibility
Max Supported Devices	1 (per MSG100 unit)
Compatible Devices	Alexa, Google Assistant, SmartThings, Chamberlain, LiftMaster, Craftsman
Connectivity	Wi-Fi (2.4GHz only)

8. Troubleshooting

If you encounter issues with your meross MSG100, consider the following:

Wi-Fi Connectivity: Ensure your Wi-Fi signal is strong and stable in the garage. The device operates on 2.4GHz Wi-Fi networks only.
Sensor Alignment: Verify that the wired door sensor and its magnet are correctly aligned and within the specified distance when the door is closed.
Power Supply: Check that the meross unit is properly powered and the USB adapter is functioning.
App Issues: Restart the Meross app or reinstall it if you experience persistent problems.
Compatibility: Re-verify your garage door opener's compatibility using the methods described in Section 3.
Reset Device: If necessary, perform a factory reset on the meross MSG100 unit (refer to the in-app user manual for specific instructions).

For further assistance, please contact the meross support team.

9. Warranty & Support

meross products typically come with a manufacturer's warranty. Please refer to the warranty information provided with your product packaging or visit the official meross website for details on warranty coverage and how to claim support.

For technical support, product inquiries, or accessory requests, please visit the meross support page or contact their customer service directly.

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