The Genie 38874R3.S Circuit Board Assembly is a genuine OEM replacement main control board designed to restore the operation of select Genie residential garage door openers. Serving as the opener’s “brain,” it manages motor control, travel limits, force settings, work light functions, and the built-in Intellicode rolling-code radio receiver used by Genie remotes and wireless keypads. This direct-fit control board is commonly listed as compatible with popular Genie belt- and chain-drive models such as 1022, 1024, 1042, 2022, 2024, 2027, and 2042, making it a go-to replacement part for repairing nonresponsive or intermittently operating units without replacing the entire opener.
Installation typically involves disconnecting power, removing the opener cover, transferring wire connections one-for-one to the new board, and securing it in the existing mounting location. After installation, you must reprogram travel limits and force, and re-pair wireless accessories like Intellicode remotes, keypads, and in-vehicle HomeLink systems following the opener’s manual. For safety, ensure the door is balanced and the Genie Safe-T-Beam reversing sensors are correctly aligned and functioning before normal use. This OEM control board is intended for residential applications and should be installed and adjusted per Genie’s instructions to ensure reliable, compliant operation.