LG Air Conditioner Motor Assembly,DC,Stepping

The LG Air Conditioner DC Step / Swing Motor (Part Number: 4681A20042E, Model: 24BYJ48-543W) is an authentic original equipment manufacturer (OEM) replacement electro-mechanical actuator designed for LG ductless split-system indoor air handler units. Mounted on the side of the lower air discharge outlet, this low-voltage 12V DC stepper motor controls the angular positioning and continuous oscillation of the horizontal air deflector louvers. It ensures conditioned air is directed precisely across the room for balanced climate control.

Key Features

• Precision 12V DC Stepping Actuator: Model marking 24BYJ48-543W provides micro-step angular positioning for smooth, silent louver oscillation.

• Sealed Metal Casing: Outfitted with an anti-corrosion galvanized metal enclosure to protect internal reduction gears and coils from dust, humidity, and thermal wear.

• Dual-Ear Flanged Chassis Mount: Engineered with pre-drilled dual mounting tabs for rigid, vibration-proof screw attachment to the chassis.

• Keyed Polarized Wiring Header: Built with an integrated 5-pin polarized terminal header for direct plug-and-play wiring connection to the main PCB.

Benefits

• Solves air conditioner louvers not opening or closing, swing feature stuck in one fixed position, clicking/grinding noises from the discharge vent, or louver fluttering.

• Restores automated 4-way and vertical airflow distribution for uniform room cooling and heating.

• Direct OEM replacement ensures factory shaft geometry, step-angle calibration, and voltage compatibility.

Applications

Designed specifically for select LG ductless mini-split indoor air conditioner and heat pump models requiring part number 4681A20042E (24BYJ48-543W).

What's Included

• 1 x Genuine LG Air Conditioner DC Stepper / Swing Motor (4681A20042E)

Usage Instructions

1. Turn off the air conditioner and disconnect main electrical power at the circuit breaker before starting repairs.

2. Open and unclip the indoor unit front lower panel and discharge grille assembly.

3. Locate the swing motor attached to the side of the horizontal louver hinge.

4. Unplug the wiring harness connector from the motor terminal socket.

5. Unscrew the mounting screws securing the motor bracket to the chassis.

6. Slide the motor drive shaft out of the louver blade linkage.

7. Align the new LG 4681A20042E motor shaft with the louver pivot, tighten the mounting screws firmly, reconnect the wire header, reassemble the casing, and test the swing function.

Safety Instructions

• Electrical Safety: Always isolate AC power at the breaker panel before accessing indoor electrical and motorized components.

• Operates on 12V DC control voltage; never connect directly to AC mains power.

Care Instructions

• Do not force or manually adjust the plastic louvers by hand while the motor is engaged to prevent stripping internal reduction gears.

Technical Specifications

Attribute	Specification
Brand	LG
Model / Part Number	4681A20042E
Manufacturer Part Marking	24BYJ48-543W (Leili Changzhou)
Component Type	Indoor Air Deflector Vane / Louver Swing Stepper DC Motor
Operating Voltage	12V DC
Housing Material	Galvanized Steel Shell with Molded Terminal Block
Mounting Type	Dual Flange Screw Mount
Connector Type	5-Pin Polarized Male Header
Package Contents	1x DC Swing Motor