OWNER'S MANUAL WASHER & DRYER Read this owner's manual thoroughly before operating the appliance and keep it handy for reference at all times. ENGLISH WM3555H*A MFL71521479 Rev.01_022521 www.lg.com Copyright © 2020-2021 LG Electronics Inc. All Rights Reserved.
TABLE OF CONTENTS 3 IMPORTANT SAFETY INSTRUCTIONS 3 3 6 READ ALL INSTRUCTIONS BEFORE USE WARNING STATEMENTS CAUTION STATEMENTS 7 PRODUCT OVERVIEW 7 Product Features 9 INSTALLATION 9 10 11 11 12 14 15 Before Installing Choosing the Proper Location Unpacking and Removing Shipping Material Connecting the Water Inlet Hoses Connecting the Drain Hose Leveling the Washer Final Installation Check 17 OPERATION 17 18 19 20 22 24 28 28 30 Before Use Sorting Laundry Loading the Washer Adding Cleaning Pr
IMPORTANT SAFETY INSTRUCTIONS 3 IMPORTANT SAFETY INSTRUCTIONS 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. This is the safety alert symbol. This symbol alerts you to potential hazards that can kill or injure you and others. All safety messages will follow the safety alert symbol and either the word WARNING or CAUTION.
IMPORTANT SAFETY INSTRUCTIONS • Destroy the carton, plastic bag, and other packing materials after the appliance is unpacked. Children might use them for play. Cartons covered with rugs, bedspreads, or plastic sheets can become airtight chambers. • The appliance must be installed and electrically grounded by qualified service personnel in accordance with local codes. • When installing or moving the appliance, be careful not to pinch, crush, or damage the power cord.
IMPORTANT SAFETY INSTRUCTIONS 5 • Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. • Never use harsh chemicals, abrasive cleaners, or solvents to clean the washer. They will damage the finish.
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 • Do not place objects on top of the appliance. • Turn off the water faucets and unplug the appliance if the appliance is to be left for an extended period of time, such as during vacations.
PRODUCT OVERVIEW 7 PRODUCT OVERVIEW The images in this guide may be different from the actual components and accessories, which are subject to change by the manufacturer without prior notice for product improvement purposes. WARNING • 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.
PRODUCT OVERVIEW Accessories Included Accessories a Non-skid Pads b Hole Caps c Wrench d Tie Strap e Elbow Bracket (for securing drain hose) Required Accessories a Hot and Cold Water Hoses Product Specifications Model WM3555H*A Electrical Requirements 120 V~, 60 Hz Min. / Max. Water Pressure 20 psi - 120 psi (138 kPa - 827 kPa) Dimensions (Width X Height X Depth) 24'' X 33 1/2'' X 22 1/4'' (60 cm X 85 cm X 56.5 cm) Maximum Depth with Door Open 43 1/4'' (110 cm) Net Weight 160.
INSTALLATION 9 INSTALLATION Installation Overview Please read the following installation instructions first after purchasing this washer or transporting it to another location. a b c e f a Choosing the Proper Location b Unpacking and Removing Shipping Material c Connecting the Inlet Hoses d Connecting the Drain Hose e Leveling the Washer f Final Installation Check WARNING • Moving or installation of the appliance requires two or more people. Failure to follow these instructions may result in injury.
INSTALLATION WARNING • Certain internal parts are intentionally not grounded and may present a risk of electric shock only during servicing. Service personnel- Do not contact the following parts while the appliance is energized: pump, valve, motor, control board. Tools Needed a Pliers b Flat-Blade Screwdriver c Level Choosing the Proper Location Check the following requirements for the install location before installing the washer.
INSTALLATION 11 • Remove the bolt assemblies (bolts and retainers) by wiggling them slightly while pulling them out. Dimensions and Clearances 24'' (60 cm) G 1/4'' (0.5 cm) ENGLISH F Unpacking and Removing Shipping Material Remove all shipping materials from the washer for proper operation and inspect it for shipping damage. CAUTION • Failure to remove shipping materials can cause excessive noise and vibration. 2 Install the hole caps.
INSTALLATION can damage the valves or couplings, resulting in leaking and property damage. • Connect the blue hose to the cold water faucet and the red hose to the hot water faucet. • Do not reuse old hoses. Use only new hoses when installing the washer. Old hoses could leak or burst causing flooding and property damage. Contact an LG Customer Information Center for assistance in buying hoses. NOTE • Periodically check the hoses for cracks, leaks, and wear, and replace the hoses every five years.
INSTALLATION 13 hose can result in flooding and property damage. 3 Use the provided tie strap b to secure the drain hose in place. 4 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 c (ribbed side on inside). ENGLISH 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.
INSTALLATION beneath the washer should not exceed 1 inch, and all 4 leveling feet must rest firmly on the floor. 3 Use the provided tie strap to secure the drain hose in place. 2 Adjust the leveling feet. • Turn all 4 leveling feet in one direction to raise the washer or the other direction to lower it. Leveling the Washer The drum of the washer spins at very high speeds. To minimize vibration, noise, and unwanted movement, the floor must be a solid, level surface.
INSTALLATION 15 1 Clean the floor to attach the non-skid pads. 2 Adjust the level after placing the washer in the installation area. 3 Place the adhesive side c of the non-skid pad on the floor. • It is most effective to install the non-skid pads under the front leveling feet. If it is hard to place the pads under the front leveling feet, place them under the back leveling feet.
INSTALLATION NOTE • If the drain does not work, see Connecting the Drain Hose to install the hose properly.
OPERATION 17 OPERATION WARNING • To reduce the risk of fire, electric shock, or injury to persons, read the SAFETY INSTRUCTIONS before operating this appliance. Operation Overview 1 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. • If using single-use detergent packs, or gel or tablet detergents, place them in the drum before loading the laundry. 2 Add cleaning products.
OPERATION 7 End of cycle. • When the cycle is finished, a melody sounds. Immediately remove the clothing from the washer to reduce wrinkling. • Check around the door seal when removing the load for small items that may be caught in the seal. NOTE • The washer rotates the laundry in a way that allows it to use less water while still fully saturating the clothing. It is normal to be unable to see water during the wash cycle.
OPERATION 19 By Soil By Fabric By Lint Lights Normal Easy Care Lint Collector Darks Light Sturdy ENGLISH By Colors Fabric Care Labels Many articles of clothing include a fabric care label. Using the chart below, adjust the cycle and option selections to care for your clothing according to the manufacturer’s recommendations.
OPERATION • Combine large and small items in the drum. Load large items first. Large items should not be more than half of the total load. • The washer can be fully loaded, but the drum should not be tightly packed with items. The door of the washer must close easily. • The washer will not fill or operate with the door open. Bulky Items • Wash thick, bulky items individually. Heavy blankets, comforters, bedspreads, or pet beds can get tangled or cause an unbalanced load if combined with other items.
OPERATION 21 not dispense with the liquid detergent cup and insert in place. • If you use a detergent that does not dissolve easily or a detergent with high viscosity, it will leave a residue and clog the dispenser. a Main wash detergent compartment b Liquid fabric softener compartment c Pre-wash detergent compartment 3 Gently close the detergent dispenser drawer before starting the cycle.
OPERATION Control Panel Control Panel Features a 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 • If there is any water remaining in the drum after the washer shuts off, it will drain after a delay. The washer can be restarted at any time before the drain begins.
OPERATION 23 Time and Status Display ENGLISH a AI DD Indicator • AI DD provides the appropriate drum rotation actions after load sensing is completed. • This indicator lights up when the Normal cycle is selected and operated. b Cycle Status Indicators • These LEDs will blink when a cycle is selected to indicate which stages will run. • When a cycle is running, the LED for the active stage will blink, and the LEDs for the remaining stages will remain steady.
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. Cycle Guide Turn the knob or press the button to select the desired cycle.
OPERATION 25 Cycle Spin Speed Sanitary Default: High This cycle 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 helps reduce allergens.
OPERATION Cycle Spin Speed Wash+Dry Default: Ex High Cycle Description Available: Ex High, High Speed Wash Quickly washes lightly soiled clothing and small loads. For high wash and rinse efficiency, wash small loads of 2-3 lightly soiled garments. • Use very little detergent in this cycle. To add an extra rinse, use the Extra Rinse option. Wash Temp.
OPERATION 27 Available Options † This option is automatically included in the cycle and cannot be deselected. ENGLISH NOTE • You cannot select any option in the Steam Refresh cycle. • For the Drain + Spin cycle, only the Delay Wash option can be selected. • The Delay Wash, Extra Rinse and Heavy Soil options are available for every cycle in this table.
OPERATION Cycle Modifiers About Modifier Buttons Each cycle has default settings that are selected automatically. You can also customize these settings using the cycle modifier buttons. • Repeatedly press the button for the desired modifier until the indicator light for the desired setting is lit. • The washer automatically adjusts the water level for the type and size of wash load for best results and maximum efficiency.
OPERATION 29 Rubber and Plastics Time 30/60/120 minutes Do not dry any items made from or containing rubber or plastics, such as: • Fabric Type: Cotton, towels • Curtains and tablecloths • Bath mats Fiberglass Do not dry fiberglass articles in the appliance. Glass particles left in the appliance may be picked up by your clothes and cause skin irritation. NOTE • It is normal for the dryer fan motor to run for about 60 seconds after the dry cycle is stopped.
OPERATION 2 Press the Power button. • Do not select the wash cycle. 3 Press the Dry button repeatedly to toggle through the selections: • Normal (@) - For general drying • Damp Dry (-) - For damp drying items for ironing • Low Temperature (*) - For delicate fabrics • Energy Saver (() - For heavier fabrics • Time 30/60/120 minutes - For timed drying 4 Press the Start/Pause button. NOTE • If you turn the cycle selector knob, you will be unable to select a dry only cycle.
OPERATION 31 Using the Pre-wash Option • Press and hold the TurboWashTM and Dry buttons at the same time for 3 seconds. - The indicator (I) lights up. Remote Start Use a smartphone to control your washer remotely. • For more information, see SMART FUNCTIONS in this manual. Delay Wash Once you have selected the cycle and other settings, press the Delay Wash button to delay the start of the wash cycle. • Each press of this button increases the delay time by 1 hour, for up to 19 hours.
SMART FUNCTIONS SMART FUNCTIONS Using LG ThinQ Application Before Using LG ThinQ Application The LG ThinQ application allows you to communicate with the appliance using a smartphone. 1 • If the appliance is too far from the router, the signal strength becomes weak. It may take a long time to connect or installation may fail. LG ThinQ Application Features The app is compatible with products that contain the wireless LAN module.
SMART FUNCTIONS 33 unplug the appliance and wait about a minute before trying again. turned off remotely from the application or this function is disabled. • If the door has been opened, you cannot start a cycle remotely. • The wireless network name (SSID) should be a combination of English letters and numbers. (Do not use special characters.) Disabling Remote Start Manually • Smartphone user interface (UI) may vary depending on the mobile operating system (OS) and the manufacturer.
SMART FUNCTIONS • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and the receiver. • Connect the equipment to an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. This device complies with part 15 of the FCC Rules.
SMART FUNCTIONS 35 troubleshooting data to a smartphone using the LG ThinQ application. Using Audible Diagnosis to Diagnose Issues Follow the instructions below to use the audible diagnosis method. • Launch the LG ThinQ application and select the Smart DiagnosisTM feature in the menu. Follow the instructions for audible diagnosis provided in the LG ThinQ application. 1 Press the Power button to turn on the appliance. • Do not press any other buttons.
MAINTENANCE MAINTENANCE WARNING • To reduce the risk of fire, electric shock, or injury to persons, read this entire owner’s manual, including the SAFETY INSTRUCTIONS, before operating this appliance. • Unplug the appliance before cleaning to avoid the risk of electric shock. Failure to follow this warning can cause serious injury, fire, electric shock, or death. • Do not use volatile substances (benzene, paint thinner, alcohol, acetone, etc.
MAINTENANCE 37 • Do not exceed the maximum fill line when adding bleach or powdered cleaners. Powdered cleaners may remain in the drum after cleaning. Close the door and press the Power button. 4 Select the Tub Clean cycle and press the Start/Pause button to begin the cycle. 5 After the cycle ends, open the door and allow the drum interior to dry completely. After you finish using the washer, leave the door open overnight to allow air to circulate and dry the drum. This helps prevent odors.
MAINTENANCE • Do not use soap when cleaning the drawer and inserts. 6 7 8 Operating the washer with these filters removed could cause a valve to open continuously, resulting in flooding and/or property damage. Wipe off any moisture with a dry towel or cloth after cleaning. To clean the drawer opening, use a small, non-metal brush to clean the recess. Remove all residue from the upper and lower parts of the recess. Replace the drawer.
MAINTENANCE 39 NOTE • An IE error message may blink on the display 4 Remove the pump filter. • Twist the pump filter counterclockwise to remove. ENGLISH when the water pressure is low or an inlet filter is clogged with dirt. Clean the inlet filter. Cleaning the Drain Pump Filter The washer fails to drain if the drain pump filter is clogged. Periodically clean the drain filter to prevent clogging with foreign objects.
MAINTENANCE NOTE • An OE message blinks on the display when the 7 • This will expel some of the antifreeze, leaving enough to protect the washer from damage. drain pump filter is clogged with dirt. Clean the drain pump filter. Care in Cold Climates Storing the Washer If the washer will not be used for an extended period of time and is in an area that could be exposed to freezing temperatures, follow these steps to protect the washer from damage.
MAINTENANCE 41 Press the Spin button to operate spin only cycle for draining and spinning. 9 Press the Start/Pause button. When the Drain Hose is Frozen 1 Pour hot water in the washer drum and close the door. 2 Wait for 1 - 2 hours. 3 Press the Power button. 4 Press the Spin button to operate spin only cycle for draining and spinning. 5 Press the Start/Pause button to make sure the water drains.
TROUBLESHOOTING TROUBLESHOOTING Before Calling for Service The washer is equipped with an automatic error-monitoring system to detect and diagnose problems at an early stage. If the washer does not function properly or does not function at all, check the following before you call for service. FAQs Q: Why does my washer make loud banging noises while it is filling with water? A: This is actually a problem with the plumbing in your home.
TROUBLESHOOTING 43 Problem Possible Cause & Solution The load is too small. UNBALANCE ERROR • Add additional items to allow the washer to balance the load. Heavy articles are mixed with lighter items. • Always try to wash articles of somewhat similar weight to allow the washer to evenly distribute the weight of the load for spinning. The load is out of balance. • Manually redistribute the load if articles have become tangled, preventing the automatic rebalancing from working properly.
TROUBLESHOOTING Noises Problem Clicking Possible Cause & Solution 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 Gurgling Drain pump is pumping water from the washer at times during a cycle. Water sloshing A liquid in the balance ring around the pulsator helps the basket spin smoothly.
TROUBLESHOOTING 45 Operation Problem 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. If water is seen coming out of the drain, check for proper drain hose installation and check for restrictions in the drain. • Contact a plumber to repair drain pipe.
TROUBLESHOOTING Problem Incomplete or no dispensing of detergent Possible Cause & Solution Detergent compartments clogged from incorrect filling. • Make sure that detergent and additives are put into the correct dispenser compartments. • For all detergent types, always make sure that the dispenser drawer is fully closed before the start of the cycle. Too much detergent used. • Make sure that the suggested amount of detergent is used according to the manufacturer’s recommendations.
TROUBLESHOOTING 47 Problem Washer is not filling properly. Possible Cause & Solution Filter is clogged. Inlet hoses may be kinked. • 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 conventional washer. Insufficient water supply • Make sure that both hot and cold water faucets are turned on all the way. Washer door is open.
TROUBLESHOOTING Problem Poor stain removal Possible Cause & Solution Proper options are not selected. • Heavier soils and tougher stains may require extra cleaning power. Select the Heavy Soil feature to boost the cleaning power of the selected cycle. Previously set stains. • Articles that have previously been washed may have stains that have been set. These stains may be difficult to remove and may require hand washing or pre-treating to aid in stain removal.
TROUBLESHOOTING 49 Wi-Fi Problem The password for the Wi-Fi network was entered incorrectly. • Delete your home Wi-Fi network and begin the connection process again. Mobile data for your smartphone is turned on. • Turn off the Mobile data on your smartphone before connecting the appliance. The wireless network name (SSID) is set incorrectly. • The wireless network name (SSID) should be a combination of English letters and numbers. (Do not use special characters.) The router frequency is not 2.4 GHz.
LIMITED WARRANTY LIMITED WARRANTY USA TERMS AND CONDITIONS ARBITRATION NOTICE: THIS LIMITED WARRANTY CONTAINS AN ARBITRATION PROVISION THAT REQUIRES YOU AND LG ELECTRONICS (“LG”) TO RESOLVE DISPUTES BY BINDING ARBITRATION INSTEAD OF IN COURT, UNLESS YOU CHOOSE TO OPT OUT. IN ARBITRATION, CLASS ACTIONS AND JURY TRIALS ARE NOT PERMITTED. PLEASE SEE THE SECTION TITLED “PROCEDURE FOR RESOLVING DISPUTES” BELOW.
LIMITED WARRANTY 51 • Damage or failure of the Product caused by leaky or broken water pipes, frozen water pipes, restricted drain lines, inadequate or interrupted water supply, or inadequate supply of air. • Damage or failure of the Product caused by accidents, pests and vermin, lightning, wind, fire, floods, pandemics, acts of nature, or any other causes beyond the control of LG.
LIMITED WARRANTY 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. You and LG agree to engage in good faith discussions in an attempt to amicably resolve your claim.
LIMITED WARRANTY 53 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.
LIMITED WARRANTY OF ANTICIPATED PROFITS, LOST REVENUE, LOSS OF USE, OR ANY OTHER DAMAGE, WHETHER ARISING DIRECTLY OR INDIRECTLY FROM ANY CONTRACTUAL BREACH, FUNDAMENTAL BREACH, TORT OR OTHERWISE, OR FROM ANY ACTS OR OMISSIONS. LGECI’S TOTAL LIABILITY, IF ANY, SHALL NOT EXCEED THE PURCHASE PRICE PAID BY YOU FOR THE PRODUCT. This Limited Warranty gives you specific legal rights. You may also have other rights that vary from province to province depending on applicable provincial laws.
LIMITED WARRANTY 55 All costs and expenses associated with the above excluded circumstances, listed under the heading, This Limited Warranty Does Not Cover, shall be borne by the consumer.
LIMITED WARRANTY courts of the province or territory of your purchase for the resolution of the claim, action, dispute or controversy between you and LG. Fees/Costs. You do not need to pay any fee to begin an arbitration. Upon receipt of your written demand for arbitration, LG will promptly pay all arbitration filing fees unless you seek more than $25,000 in damages, in which case the payment of these fees will be governed by the applicable arbitration rules.
LG Customer Information Center For inquiries or comments, visit www.lg.com or call: 1-800-243-0000 1-888-542-2623 U.S.A. CANADA Register your product Online! www.lg.