LiftMaster Unintended Activation / Interference or Stuck Control

Garage door opens by itself without any command from remotes or wall button.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Stuck wall button, neighbor's remote on same code (older models), shorted wall control wiring, MyQ automation misconfiguration

Safety: This is a security concern; address promptly.

Inspect wall control: Check for stuck buttons or moisture. Disconnect wall control wires at opener and see if random openings stop.
Erase and reprogram remotes: Hold LEARN until LED goes out to erase all codes, then reprogram only your remotes and keypad.
Check MyQ schedules: Review MyQ app for any schedules or integrations that may be triggering the door.
Inspect wiring: Look for shorts in wall control wiring that could simulate a button press.

Medium 3/5

Wall Control / Logic Board Memory

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