Works By Itself

Check for Interference: The erratic behavior could be caused by interference from nearby devices or signals. Make sure there are no sources of interference in the vicinity, such as wireless routers, cordless phones, or other devices operating on similar frequencies. Try temporarily disabling or moving these devices to see if the problem persists.

Check MyQ Connection: Ensure that your LiftMaster 3255 garage door opener is properly connected to your MyQ WiFi system. Verify that the WiFi signal is strong and stable in your garage. Weak or intermittent WiFi connection could cause communication issues and lead to the random opening and closing of the door.

Verify Remote Controls: Check all remote controls and wall-mounted control panels in your garage. Make sure they are not stuck or malfunctioning. Sometimes, faulty controls can send unintentional signals, causing the door to operate unexpectedly. Try removing the batteries from the remote controls temporarily to see if the issue persists.

Reset and Reprogram: If the problem continues, you may consider resetting your LiftMaster 3255 opener and reprogramming it. Refer to the user manual or contact LiftMaster customer support for instructions on how to perform a reset and reprogramming procedure. This process will clear any stored settings and configurations that might be causing the issue.

Professional Assistance: If the problem persists after trying the above steps, it's recommended to seek assistance from a professional garage door technician. They will have the expertise to diagnose and resolve any underlying issues with the opener, such as faulty sensors, wiring problems, or motor malfunctions.

Remember, garage door openers can be potentially dangerous if not operating correctly, so it's important to prioritize safety and seek professional help if needed.