LiftMaster K1D8389-1CCMC Main Board with Heat Sink

LiftMaster K1D8389-1CC Replacement Main Control Board – For Post-2016 Swing and Slide Gate Operators

The LiftMaster K1D8389-1CC is a programmable main control board designed for use in select LiftMaster commercial swing and slide gate operators manufactured after 2016. Featuring a built-in heat sink and full compatibility with UL 325 safety standards, this board is ideal for restoring or upgrading gate system control with customizable performance options.

It supports adjustments for photo eye safety sensors, automatic closing, and delay functions, allowing installers and maintenance teams to fine-tune gate behavior for specific site requirements.

Key Features

• Part Number: K1D8389-1CC

• Integrated Heat Sink – Helps manage temperature during operation

• UL 325 Compliant – Meets modern safety and entrapment protection standards

• Programmable Settings:

  • Photo eye sensor calibration

  • Automatic close/delay functions

  • Other operational configurations

Compatible Gate Operator Models

(Manufactured after 2016)

Swing Gate Operators:

• LiftMaster RSW12U

• LiftMaster CSW24U

Slide Gate Operators:

• LiftMaster RSL12U

• LiftMaster CSL24U

Note: This board is designed for pad-mounted gate operators and includes a built-in heat sink for thermal protection.

Adapter Harness Note

WARNING: An adapter harness is required only for the following models:

• CSL24V

• CSL24VH

• CSW24VH

Ensure correct harness use based on your specific gate operator model.

Product Dimensions

• Length: 7-7/8 inches

• Width: 7-1/4 inches

• Depth: 2 inches

This replacement main board is ideal for technicians, property managers, and installers seeking to maintain full control and reliability in commercial vehicular gate systems.