LG Front Loading Washing Machine WM3100 HRN Manual

The LG WM3100 HRN is a high-efficiency front loading washing machine featuring TurboWash technology, 4.5 cubic feet capacity, 6Motion technology with multiple wash motions, Direct Drive motor with 10-year warranty, steam function for allergen removal, cold wash option, smart diagnosis system, energy star certification, and multiple cycle options. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

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

Features at a Glance

Key components: Front loading drum, control panel with LED display, Direct Drive motor, detergent dispenser, water inlet valves, drain pump.

FeatureDescription
TurboWash TechnologyReduces wash time while maintaining cleaning performance
Direct Drive MotorDirect connection to drum for quiet operation and durability
6Motion TechnologySix different wash motions for optimal fabric care
Steam FunctionRemoves allergens and reduces wrinkles
Cold WashEnergy-saving option using cold water
Smart DiagnosisAutomatically diagnoses issues for easier troubleshooting
Energy Star CertifiedMeets energy efficiency standards
LED DisplayShows cycle time, settings, and status
Delay StartProgram wash cycles to start later
Child LockPrevents accidental changes to settings

Installation

Unpack and inspect contents. Place on level floor.

  1. Remove shipping bolts: Use wrench to remove four bolts from rear panel.
  2. Connect water supply: Attach hot and cold water hoses to corresponding valves.
  3. Connect drain hose: Secure to standpipe or laundry sink.
  4. Level the machine: Adjust leveling feet until machine is stable.
  5. Plug into grounded electrical outlet.

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

First-Time Setup

Power on machine; run initial test cycle.

  1. Install shipping bolt plugs: Insert plastic plugs into bolt holes.
  2. Run cleaning cycle: Select Tub Clean cycle without laundry.
  3. Set preferences: Configure default settings like temperature and spin speed.
  4. Test operation: Run short cycle with small load to verify proper function.

CAUTION! Ensure machine is level to prevent vibration and noise during operation.

Specifications

Controls and Settings

Access settings via control panel. Main Controls: POWER, START/PAUSE, CYCLE SELECTION, OPTIONS.

Cycle Options: Normal, Heavy Duty, Delicates, Quick Wash, Bulky Items, Tub Clean, Steam Refresh, Allergiene.

Temperature Settings: Cold, Tap Cold, Warm, Hot. Spin Speed: No Spin, Low, Medium, High, Extra High. Options: Pre Wash, Extra Rinse, Delay Start, Child Lock, Soil Level, Steam.

Connecting Water Supply

Hot and cold water connections required for full functionality.

  1. Turn off water supply before connecting hoses.
  2. Connect blue-marked hose to cold water supply.
  3. Connect red-marked hose to hot water supply.
  4. Ensure washers are properly seated in hose connections.
  5. Slowly turn on water supply and check for leaks.

Tip: Use only new hoses; do not reuse old hoses to prevent leaks.

Operating Instructions

Follow proper loading and detergent usage for optimal results.

  1. Sort laundry: Separate by color, fabric type, and soil level.
  2. Load machine: Do not overload; leave space for movement.
  3. Add detergent: Use HE detergent only; follow manufacturer's instructions.
  4. Select cycle: Choose appropriate cycle for load type.
  5. Start cycle: Close door and press START/PAUSE.
  6. Unload promptly: Remove laundry immediately after cycle completes.
  7. Clean door seal: Wipe seal after each use to prevent mold.
  8. Leave door ajar: Allow interior to dry between uses.

WARNING! Do not overload machine. Use only HE (High Efficiency) detergent.

Special Features

TurboWash: Reduces cycle time by 30% while maintaining cleaning performance. Steam Function: Reduces allergens by 95% and removes wrinkles. 6Motion Technology: Combines six wash motions (Tumbling, Scrubbing, Rolling, Stepping, Swing, Filtration) for optimal cleaning. Smart Diagnosis: Uses sound patterns to diagnose issues when contacting customer service.

Care & Maintenance

Regular maintenance ensures optimal performance and longevity.

  1. Clean detergent dispenser monthly: Remove and rinse thoroughly.
  2. Run Tub Clean cycle monthly: Use affresh® washer cleaner or similar product.
  3. Clean door seal weekly: Wipe with soft, damp cloth.
  4. Check drain pump filter: Clean every 3-6 months or as needed.
  5. Inspect hoses: Check for cracks or leaks annually.

CAUTION! Unplug machine before performing any maintenance. Do not use abrasive cleaners.

Regulatory Information

UL Listed: Complies with UL 2157 standards. Energy Star Partner: Meets strict energy efficiency guidelines. FCC Part 15: Class B digital device. Copyright © 2025 LG Electronics; all rights reserved. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

SymptomPossible CauseCorrective Action
Machine won't startPower/door issuesCheck power connection; ensure door is fully closed; reset circuit breaker.
No water fillingWater supply/valvesCheck water supply valves are open; inspect hoses for kinks.
Excessive vibrationLeveling/loadingEnsure machine is level; redistribute load evenly; remove shipping bolts.
Water not drainingDrain hose/filterCheck drain hose for obstructions; clean drain pump filter.
Error codes displayedVarious issuesRefer to error code chart in manual; use Smart Diagnosis feature.
Poor cleaning resultsDetergent/loadingUse correct amount of HE detergent; do not overload; select proper cycle.

Reset: Unplug for 1 minute, then reconnect power.

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

LG Front Loading Washing Machine WM3100 HRN Manual © - All Rights Reserved 2025