LiftMaster MyQ Control Panel (888LM/889LM) & Internet Gateway (828LM) Installation Guide

Required Items for Installation

• MyQ Control Panel (888LM or 889LM)
• MyQ Internet Gateway (828LM)
• Compatible LiftMaster, Chamberlain, Sears/Craftsman, or Raynor garage door opener (1998 or newer)

Garage Door Compatibility

Compatible with most LiftMaster, Chamberlain, Sears/Craftsman, Raynor, and Access openers made after 1998:

• Purple Learn Button with purple antenna wire – Compatible
• Orange/Red Learn Button with gray antenna wire – Most models compatible
• Not compatible with: Models 2500, 2500C, 1000SDR, 2000SDR (2500B and 2500BC are compatible)

For the complete list, see our Smart Home Security page.

Install MyQ Control Panel

1. Disconnect power to the garage door opener.
2. Remove the old wall control and note wire polarity (Red/White).
3. Connect wires to the new MyQ Control Panel.
4. Mount the panel to the wall and reconnect power.
5. The yellow command LED and red learn LED will blink while charging (up to 5 minutes). Solid yellow means operational.
6. Press the push bar to test.

Connect the MyQ Internet Gateway

1. Connect the Ethernet cable to the router and gateway.
2. Connect power to the gateway.
3. When the green LED is solid, the gateway has internet connectivity.
4. Write down the serial number for registration.

LED Guides

Internet Gateway LED

• Green blinking: Has IP address but no internet.
• Green solid: Connected to internet.
• Blue blinking: Communicating with MyQ device.
• Yellow solid: Learn Mode (3-minute timeout).

Control Panel LED

• Blinking: Powering up.
• Red solid: Learn Mode.
• Yellow solid: Operational.

Register Internet Gateway

Note: Gateway cannot be registered with Alarm.com if still linked to MyQ/LiftMaster. Remove from MyQ first.

1. Log into the Alarm.com Customer Website
2. Go to Settings → Manage Devices → Add Device.
3. Select Garage Door → MyQ Control Panel.
4. Click Register Gateway and enter the serial number.
5. When the gateway enters Learn Mode (yellow LED), press the Learn button on the Control Panel twice.
6. The Control Panel red LED turns on; the Gateway LED turns blue when paired.
7. Return to the Garage page and click Check for New Devices.

Troubleshooting

• If the yellow command LED does not turn on, reverse wires at R and W terminals.
• If yellow/red LEDs blink slowly, the control panel is not compatible.
• If yellow/red LEDs blink quickly, the control panel is charging (wait 5 minutes).
• Learn Mode is active for 3 minutes; during this time, devices may be inoperable.

Factory Reset Internet Gateway

A factory reset may be required for troubleshooting. For instructions, see our guide: Contact True Protection Support.

Erase All Garage Door Devices

1. Press and hold the Learn button on the Control Panel until the red LED goes out (6 seconds).
2. Press and hold again until the red LED goes out.
3. All devices are erased. Reprogram remotes as needed.

Additional Resources

• Smart Home Security
• Home Automation Solutions
• Contact True Protection Support