LG 4.3 Front Load Washer Manual

The LG 4.3 Front Load Washer is a high-efficiency washing machine with 4.3 cubic feet capacity, featuring multiple wash cycles, energy-saving technologies, steam cleaning options, direct drive motor, LED display, child lock, delay start, and various fabric care settings. Designed for residential use with 120V power requirement. Below are key sections for safety, features, installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Utilities 7. Operating the Washer 8. Special Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Front loading door, LED control panel, detergent dispenser, direct drive motor, steam function, multiple wash cycles.

Feature	Description
Capacity	4.3 cubic feet for large loads
Direct Drive Motor	Quiet operation with 10-year warranty
Steam Function	For sanitizing and removing tough stains
LED Display	Shows cycle time and settings
Detergent Dispenser	Automatic liquid or powder detergent release
Child Lock	Prevents accidental changes to settings
Delay Start	Program wash cycles up to 19 hours in advance
Multiple Cycles	Cotton, synthetic, delicate, quick wash options
Energy Star Rated	Energy and water efficient operation
Temperature Control	Hot, warm, cold water settings

Installation

Unpack and inspect contents. Place on level, solid floor.

Remove shipping bolts: Use wrench to remove four bolts from rear panel.
Connect water supply: Attach hot and cold water hoses to corresponding valves.
Connect drain hose: Secure to standpipe or laundry sink.
Level the machine: Adjust front leveling feet as needed.
Plug into grounded electrical outlet.

WARNING! Do not remove shipping bolts until washer is in final position. Ensure water connections are tight to prevent leaks.

First-Time Setup

Power on washer; run initial test cycle.

Install shipping bolt plugs: Insert plugs into holes after bolt removal.
Check water connections: Turn on water supply valves, check for leaks.
Run clean cycle: Use Tub Clean cycle without laundry to flush system.
Set preferences: Configure default settings like temperature and spin speed.
Load test laundry: Run first cycle with small load to verify operation.

CAUTION! Ensure washer is level to prevent vibration and noise during spin cycles.

Specifications

Capacity: 4.3 cubic feet
Dimensions: 27" W x 39" H x 30" D
Weight: 185 pounds
Voltage: 120V, 60Hz
Water Pressure: 20-116 psi
Max Spin Speed: 1300 RPM
Energy Rating: ENERGY STAR certified
Warranty: 1 year parts and labor, 10 years direct drive motor
Color: White or stainless steel finish

Controls and Settings

Access controls via front panel LED display and knob.

Control Panel: POWER, CYCLE SELECTOR KNOB, START/PAUSE, OPTIONS, CHILD LOCK, DELAY START.

Wash Cycles: COTTON, SYNTHETIC, DELICATE, QUICK WASH, BEDDING, TUB CLEAN. Options: TEMPERATURE (Hot/Warm/Cold/Cold), SPIN SPEED (No Spin/400/600/800/1000/1300 RPM), STEAM (On/Off), PREWASH (On/Off), EXTRA RINSE (On/Off). Settings: BEEP SOUND (On/Off), DEFAULT SETTINGS, CHILD LOCK activation.

Connecting Utilities

Water supply: Hot and cold water connections. Drain: Standpipe or laundry sink. Electrical: Grounded outlet.

Turn off water supply before connecting hoses.
Use only new hoses; do not reuse old hoses.
Ensure drain hose is secured and not kinked.
Plug into dedicated 15-amp circuit.

Tip: Install drip pan if washer is on upper floors to prevent water damage.

Operating the Washer

Supports various fabric types and soil levels.

Load laundry: Open door, load items loosely, do not overload.
Add detergent: Pour into dispenser drawer according to load size.
Select cycle: Turn knob to desired wash program.
Set options: Press OPTIONS to select temperature, spin speed, etc.
Start cycle: Press START/PAUSE to begin washing.
Monitor progress: LED display shows remaining time.
Unload: Wait for door lock to release, remove clean laundry.

WARNING! Do not open door during wash cycle. Wait for door lock indicator to turn off.

Special Features

Steam Function: Activates for sanitizing and stain removal. Direct Drive: Quiet, efficient motor operation. Smart Diagnosis: Helps troubleshoot issues via smartphone app.

Care & Cleaning

Regular maintenance ensures optimal performance.

Clean detergent dispenser monthly: Remove drawer, rinse under water.
Run Tub Clean cycle monthly: Use affresh® washer cleaner or vinegar.
Wipe door seal: Clean rubber gasket to prevent mold/mildew.
Clean exterior: Use mild detergent and soft cloth.

CAUTION! Unplug washer before cleaning. Do not use abrasive cleaners on surfaces.

Regulatory Information

UL Listed: Complies with UL 2157 standards. Energy Star: Meets EPA energy efficiency requirements. Copyright © 2025 LG Electronics; all rights reserved. For support, visit www.lg.com or contact 1-800-243-0000. Model: WM3900HWA.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Washer won't start	Power/door	Check power cord; ensure door is fully closed; press START firmly.
No water filling	Water supply	Check water valves are on; inspect hoses for kinks; clean inlet filters.
Excessive vibration	Leveling/load	Ensure washer is level; redistribute load evenly; remove shipping bolts.
Water not draining	Drain hose	Check for clogs; ensure proper drain height; clean pump filter.
Error codes displayed	Various issues	Consult error code chart in manual; reset by unplugging for 1 minute.

Reset: Unplug for 1 minute, then restart.

Service: 1-800-243-0000; www.lg.com