LG SIGNATURE WM9901H A Series Owner's Manual
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LG SIGNATURE WM9901H A Series Owner's Manual

LG SIGNATURE WM9901H A Series Owner's Manual

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OWNER'S MANUAL
WASHING MACHINE
Read this owner's manual thoroughly before operating the appliance and keep
it handy for reference at all times.
ENGLISH
www.LGSIGNATURE.com
MFL71693772
Copyright © 2024-2025 LG Electronics. All Rights Reserved
Rev.04_052125

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  • Page 1 Scan to see the online manual. OWNER'S MANUAL WASHING MACHINE Read this owner's manual thoroughly before operating the appliance and keep it handy for reference at all times. ENGLISH www.LGSIGNATURE.com MFL71693772 Copyright © 2024-2025 LG Electronics. All Rights Reserved Rev.04_052125...

  • Page 2: Table Of Contents

    Loading the Washer Adding Cleaning Products Control Panel Wash Cycles Cycle Modifiers Options and Extra Functions More Options and Settings 39 SMART FUNCTIONS Using LG ThinQ Application Smart Diagnosis Function 43 MAINTENANCE Regular Cleaning Periodic Maintenance Care in Cold Climates 49 TROUBLESHOOTING...

  • Page 3: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USE Safety Messages Your safety and the safety of others are very important. We have provided many important safety messages in this manual and on your appliance. Always read and follow all safety messages.

  • Page 4: Operation

    • Use this appliance only for its intended purpose. • If the product has been submerged in water, sitting in standing water, or waterlogged, do not come in contact with the product and immediately contact an LG Electronics Customer Information Center for instructions before resuming use.

  • Page 5: Grounding Instructions

    IMPORTANT SAFETY INSTRUCTIONS • Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. • Do not mix chlorine bleach with ammonia or acids such as vinegar. Follow package directions when using laundry products.

  • Page 6: Caution Statements

    IMPORTANT SAFETY INSTRUCTIONS CAUTION STATEMENTS CAUTION • To reduce the risk of minor or moderate injury to persons, malfunction, or damage to the product or property when using this product, follow basic precautions, including the following: Installation • Install the product on a firm and level floor. Operation •...

  • Page 7: Product Overview

    • For your safety and for extended product life, use only authorized components. The manufacturer is not responsible for product malfunction, property damage or bodily injury caused by the use of separately purchased unauthorized components, parts, or non-LG products. Front View...

  • Page 8: Product Specifications

    PRODUCT OVERVIEW Accessories Hot and Cold Water Hoses Optional Accessories (sold separately) Included Accessories † Pedestal † Pedestal Washer Non-skid Pads † Check the width of the pedestal before Hole Caps purchasing to make sure that it matches the width of your appliance (27" (70 cm) or 29" (74 Wrench cm)).

  • Page 9: Installation

    INSTALLATION INSTALLATION Before Installing Installation Overview Please read the following installation instructions first after purchasing this washer or transporting it to another location. Choosing the Proper Location Unpacking and Removing Shipping Material Connecting the Inlet Hoses Connecting the Drain Hose Leveling the Washer Final Installation Check WARNING...

  • Page 10: Tools Needed

    10 INSTALLATION Tools Needed capable of supporting the washer without flexing or bouncing. • The washer must be installed on firm flooring to minimize vibration during the spin cycle. Concrete flooring is best, but a wood floor is sufficient, provided it is built to FHA standards. Pliers •...

  • Page 11: Unpacking And Removing Shipping Material

    INSTALLATION Stacking or Pedestal Installation washer and lay it carefully on its side. Do not lay the washer on its front or back. The washer can be stacked on top of a pedestal or pedestal washer. Removing Shipping Material Dimensions and Clearances Remove the bolt assemblies.

  • Page 12: Connecting The Water Inlet Hoses

    2/3 turn with pliers. Contact an LG Customer Information Center for • Connect the blue hose to the cold water assistance in buying hoses.

  • Page 13: Connecting The Drain Hose

    INSTALLATION hose can result in flooding and property damage. NOTE • The drain must be installed in accordance with any applicable local codes and regulations. • Make sure that the drain hose is not stretched, pinched, crushed, or kinked. Flush out the inlet hoses. •...

  • Page 14: Leveling The Washer

    14 INSTALLATION Use the provided tie strap to secure the drain hose in place. Use the provided tie strap to secure the drain hose in place. If the water valves and drain are built into the wall, fasten the drain hose to one of the water hoses with the provided tie strap (ribbed side on inside).

  • Page 15: Final Installation Check

    INSTALLATION beneath the washer should not exceed 1 Clean the floor to attach the non-skid pads. inch, and all 4 leveling feet must rest firmly • Use a dry rag to remove and clean foreign on the floor. objects or moisture. If moisture remains, the non-skid pads may slip.

  • Page 16: Testing The Washer

    16 INSTALLATION WARNING NOTE • Connect this appliance to a grounded outlet • If water leaks during water supply, see conforming to the rating prior to use. Failure to Connecting the Water Inlet Hoses to connect do so may result in fire, electric shock, or them properly.

  • Page 17: Operation

    OPERATION OPERATION Before Use WARNING • To reduce the risk of fire, electric shock, or injury to persons, read the SAFETY INSTRUCTIONS before operating this appliance. Operation Overview Sort laundry and load the washer. • Sort laundry by fabric type, soil level, color and load size as needed. Open the door and load items into the washer.

  • Page 18: Sorting Laundry

    18 OPERATION • If the Start/Pause button is not pressed within a certain time, the washer shuts off and all settings are lost. End of cycle. • When the cycle is finished, a melody sounds. Immediately remove the clothing from the washer to reduce wrinkling.

  • Page 19: Fabric Care Labels

    OPERATION CAUTION • Clothing or articles that are waterproof or water-resistant must be washed in the Waterproof, Bedding, Bulky/Large, or Jumbo Wash cycle only. (Examples include water resistant clothing, mattress covers, outdoor clothes, and plastic mats.) Failure to do so may result in personal injury or damage to the washer, clothes, walls, floor, and surrounding objects due to abnormal vibration.

  • Page 20: Bulky Items

    20 OPERATION • Combine large and small items in the drum. • Detergents designated as HE-compatible may Load large items first. Large items should not be not provide optimal results. more than half of the total load. • For proper wash performance, always measure •...
  • Page 21 OPERATION Press PUSH on the Auto Dispense tray as Close the lower cover. shown. Use the handle to pull the tray out. • Do not use force when pulling out the Auto Touch the Settings screen and select Auto Dispense tray. Detergent and Auto Softener functions.
  • Page 22 22 OPERATION CAUTION • To use the Auto Dispense function, Auto Detergent and/or Auto Softener must be turned on in the Settings screen. • Detergent or fabric softener left in the Auto Dispense reservoirs for an extended period may harden and fail to dispense properly. •...

  • Page 23: Control Panel

    OPERATION Control Panel Control Panel Features Power On/Off Button • Press this button to turn the washer on or off. • Pressing this button during a cycle will cancel that cycle and any load settings will be lost. • The door will unlock after a brief pause. NOTE •...
  • Page 24 24 OPERATION 2) Auto Softener Indicator • This indicator lights up when the Auto Softener feature is activated. 3) Door Lock Indicator • This indicator lights up when the cycle starts and the door is locked. • The indicator light stays on until the cycle is paused, stopped or has finished. 4) Remote Start Indicator •...

  • Page 25: Wash Cycles

    OPERATION Wash Cycles The wash cycles are designed for specific types of wash loads. Select the cycle that best matches the load contents for maximum wash performance and fabric care. See Sorting Laundry section for best results, and follow the fabric care labels on your garments. For a guide to fabric care symbols, see Sorting Laundry section.
  • Page 26 26 OPERATION Cycle Bedding Spin Speed Default: Medium Available: Medium, Low, No Spin Soil Level Default: Medium Available: All Cycle Delicates Description Suitable for washing dress shirts/blouses, nylons, lingerie, or sheer and lacy clothes which can easily be damaged. (less than 8 lb (3.63 kg)) Wash Temp.
  • Page 27 OPERATION Cycle Allergiene Description This is a powerful, high-temperature cycle designed specifically to reduce certain allergens. NOTE • Selecting this cycle automatically incorporates steam into the wash cycle. • This cycle can significantly reduce allergens in bedding and clothing. • This cycle helps reduce dust mite populations and allergens. Due to the higher energy and temperatures used, this cycle is not recommended for wool, silk, leather, or any other delicate or temperature-sensitive items.
  • Page 28 28 OPERATION Cycle Rinse+Spin Wash Temp. Default: Cold Available: Cold Spin Speed Default: High Available: All Cycle Spin Only Description This cycle drains and spins the load without washing or rinsing it. Spin Speed Default: High Available: All Cycle Hand/Wool Description Washes delicate hand-washable and machine-washable clothes such as washable wool, lingerie, dresses etc.
  • Page 29 OPERATION Cycle Jeans Spin Speed Default: High Available: Ex. High, High, Medium, Low Soil Level Default: Medium Available: All Cycle Dresses Description Washes lightly soiled cocktail dresses. Wash Temp. Default: Cold Available: Warm, Cold, Tap Cold Spin Speed Default: Low Available: Medium, Low, No Spin Soil Level Default: Light...

  • Page 30: Available Options

    30 OPERATION Cycle XL Load Soil Level Default: Heavy Available: All Cycle Overnight Wash Description Reduces washing noise and continues tumbling after the cycle to prevent wrinkles. Wash Temp. Default: Warm Available: All Spin Speed Default: Low Available: Ex. High, High, Medium, Low Soil Level Default: Medium Available: All...
  • Page 31 OPERATION Soil Extra Wash Turbo Pre- Cold Fresh Cycle Spin Steam Level Rinse Temp Wash wash Wash Care Activewear Swimwear Kids Wear Jeans † Dresses Color Care † Sweat Stains † Small Load Large Load † XL Load † Overnight †...

  • Page 32: Cycle Modifiers

    32 OPERATION Cycle Modifiers • Press the Temp. button and select the wash and rinse temperature combination for the selected cycle. About Modifier Buttons • All rinses use unheated cold water. Each cycle has default settings that are selected • Cold rinses use less energy. The actual cold rinse automatically.

  • Page 33: Delay Start

    OPERATION • Steam may not be clearly visible during steam • These cycles are designed for optimum cycles. This is normal. Too much steam could performance with the TurboWash option damage clothing. applied. • Do not use steam with delicate fabrics such as wool and silk, or easily discolored fabrics.
  • Page 34 34 OPERATION CAUTION • Empty the ezDispense reservoirs before moving the washer. Changing the Dispense Amounts Press OK to save the desired default amount. Adjusting Dispense for Current Cycle Press the circle and select Detergent Level or Softener Level. NOTE •...
  • Page 35 OPERATION Cleaning the ezDispense Drawer CAUTION Remove and clean the ezDispense reservoirs every • Before using the softener reservoir to dispense time you refill them or change to a new type of detergent, empty and clean the reservoir and detergent or softener. run the ezDispense Nozzle Clean function, or the reservoir may fail to dispense properly.

  • Page 36: More Options And Settings

    36 OPERATION More Options and Settings Wipe off any moisture with a dry towel or cloth after cleaning. Press the Settings button and select the desired option or setting from the menu. Press the (OK) button to select the options or change the After filling, insert and turn the caps to the settings.

  • Page 37: Additional Settings

    Change the order of the cycles in the list using Additional Settings > Cycle Optimization on the product or Product Cycle Management in Cycle Optimization the LG ThinQ application. When activated, this feature organizes the cycle list and options automatically based on your usage patterns.
  • Page 38 /opensource.lge.com. In addition, if a consumer requests the open-source code of the software embedded in this product by sending an email to opensource@lge.com, LG Electronics will provide it in a storage medium at the minimum cost required to provide it, such as media costs and transportation costs.

  • Page 39: Smart Functions

    Apple App Store on a smartphone. appliance based on the pattern of use. • Push Alerts Run the LG ThinQ application and sign in with - When the cycle is complete or the appliance your existing account or create an LG account has problems, you will receive a push to sign in.

  • Page 40: Remote Start

    If using ezDispense, make sure that there is sufficient detergent and softener • LG ThinQ is not responsible for any network in the reservoirs. connection problems or any faults, malfunctions, or errors caused by network connection.

  • Page 41: Smart Diagnosis Tm Function

    LG ThinQ application. the user’s authority to operate the equipment. • Launch the LG ThinQ application and select the Smart Diagnosis feature in the menu. Follow FCC RF Radiation Exposure...
  • Page 42 42 SMART FUNCTIONS Press the Settings button. Select Additional Settings and then Smart Diagnosis. After the diagnosis is complete, the results will be displayed on the display.

  • Page 43: Maintenance

    MAINTENANCE MAINTENANCE • Wipe with a damp cloth. WARNING • Do not touch the surface or the display with • To reduce the risk of fire, electric shock, or injury sharp objects. to persons, read this entire owner’s manual, including the SAFETY INSTRUCTIONS, before operating this appliance.

  • Page 44: Removing Mineral Buildup

    44 MAINTENANCE Cleaning the Auto Dispense Tray Select the Tub Clean cycle and press the Start/Pause button to begin the cycle. Remove and clean the Auto Dispense tray every time you refill the detergent/softener or change to a new type of detergent/softener. After the cycle ends, open the door and allow Remove and clean the detergent dispenser drawer the drum interior to dry completely.

  • Page 45: Cleaning The Water Inlet Filters

    MAINTENANCE Leave the door open to allow the door seal to dry completely. Cleaning the Water Inlet Filters If the washer does not fill properly, an error message will appear on the display. The inlet valve filter screens could be clogged by hard water scale, sediment in the water supply, or other debris.

  • Page 46: Cleaning The Drain Pump Filter

    46 MAINTENANCE Remove foreign objects and soak the filters in Drain any remaining water. white vinegar or a lime scale remover. • Unclip the drain hose and remove the plug • If using a lime scale remover, follow the from the drain hose to drain the remaining manufacturer’s instructions.

  • Page 47: Care In Cold Climates

    MAINTENANCE Insert the drain pump filter and twist it clockwise. Plug the power cord into a properly grounded electrical outlet. Add 1 gallon of nontoxic recreational vehicle (RV) antifreeze to the empty drum and close Close the lower cover. the door. •...
  • Page 48 48 MAINTENANCE When the Water Inlet Hoses are Press the Start/Pause button to make sure Frozen the water drains. Turn off the washer, and unplug the power cord. Turn off the faucets connected to the water inlet hoses. Pour hot water on the frozen faucets to thaw the water inlet hoses and remove the water inlet hoses.

  • Page 49: Troubleshooting

    0.8 fl oz. Do not set the ezDispense default for more than the maximum recommended amount (for full loads). For additional assistance calculating, use the LG ThinQ app. How do I use a special detergent for sportswear or hand washables? Turn off the ezDispense function and use the manual dispenser.

  • Page 50: Error Messages

    50 TROUBLESHOOTING Error Messages Problem Possible Cause & Solution Door open The door is opened. • Open and close the door again. If the message keeps appearing, unplug the power cord and call for service. Door unlocked The door is not secured. •...
  • Page 51 TROUBLESHOOTING Problem Possible Cause & Solution Freeze error Inlet hose, drain hose or drain pump is frozen. • See Care in Cold Climates. No temp detected Control error. • Unplug the washer and wait 60 minutes. Reconnect power and try again. •...
  • Page 52 52 TROUBLESHOOTING Noises Problem Possible Cause & Solution Clicking Door lock sounds when the door locks or unlocks. • Normal operation Spraying or hissing Water spraying or circulating during the cycle • Normal operation Humming or Drain pump is pumping water from the washer at times during a cycle. Gurgling •...
  • Page 53 TROUBLESHOOTING Operation Problem Possible Cause & Solution Water Leaking Hoses are not connected correctly. • Check hoses and connectors for leaks, cracks, and splits. • Check and tighten hose connections. House drain pipes are clogged. • The washer pumps out water very rapidly. Check for water backing up out of the drain pipe during drain.
  • Page 54 54 TROUBLESHOOTING Problem Possible Cause & Solution Incomplete or no Too much detergent used. dispensing of • Make sure that the suggested amount of detergent is used according to the detergent manufacturer’s recommendations. You may also dilute the detergent with water to the maximum fill line on the compartment to avoid clogging.
  • Page 55 TROUBLESHOOTING Problem Possible Cause & Solution Washer is not filling Inlet hoses may be kinked. properly. • Check that inlet hoses are not kinked or clogged. Energy efficiency • This is a High-Efficiency (HE) washer. As a result, the water level settings for this washer may be different than for a conventional washer.
  • Page 56 56 TROUBLESHOOTING Problem Possible Cause & Solution Staining Clothes were not properly sorted. • Always wash dark colors separately from light colors and whites to prevent discoloration. • Never wash heavily soiled items with lightly soiled items. Clean and dirty clothes are being dried together. •...
  • Page 57 Move the router closer to the appliance or purchase and install a Wi-Fi repeater. LG ThinQ is asking for a password to connect to the product. • If you are asked to provide a password to connect to the product (not to your home network) during the Wi-Fi setup, enter the last 4 characters of the network name, repeated twice, with no spaces.

  • Page 58: Limited Warranty

    Should your LG Washer (“Product”) fail due to a defect in materials or workmanship under normal and proper use, during the warranty period set forth below, LG will, at its option, repair or replace the Product. This limited warranty is valid only to the original retail purchaser of the Product (“You”) and applies only when purchased lawfully and used within the United States including U.S.
  • Page 59 Notice of Dispute. In the event you intend to commence an arbitration proceeding, you must first notify LG in writing at least 30 days in advance of initiating the arbitration by sending a letter to LG at LG Electronics, USA, Inc. Attn: Legal Department- Arbitration 111 Sylvan Avenue, Englewood Cliffs, NJ 07632.
  • Page 60 If you and LG are unable to resolve the dispute within 30 days, either party may proceed to file a claim for arbitration.
  • Page 61 LIMITED WARRANTY You may only opt out of the dispute resolution procedure in the manner described above (that is, by e-mail or telephone); no other form of notice will be effective to opt out of this dispute resolution procedure. Opting out of this dispute resolution procedure will not affect the coverage of the Limited Warranty in any way, and you will continue to enjoy the full benefits of the Limited Warranty.
  • Page 62 62 Memo...
  • Page 63 Memo...

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