Posted October 30th, 2020 at 4:35 pm by Dan Musick
- Check to assure you ordered the correct logic board.
- Unplug the power to the operator or turn off the power at the circuit breaker.
- Loosen the screws and open the cover.
- Take a picture of the board.
- Remove all of the wires, the wiring harness, and the antenna cable.
- Squeeze the plastic tabs at each corner of the board with needle-nose pliers and pull the corners away from the control box.
- Install the new board on the tabs.
- Reconnect all of the wires, the wiring harness, and the antenna cable.
- Connect the power or flip the breaker switch.
You can also view our YouTube video discussing the functions of the control board.
Here is the board.

The LiftMaster Logic 5 Control Boards are available on our LiftMaster Commercial Operator Parts: Circuit Boards page.
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