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OWNER'S MANUAL  

DISHWASHER  

Before beginning installation, read these instructions  

carefully. This will simplify installation and ensure that the  

product is installed correctly and safely. Leave these  

instructions near the product after installation for future  

reference.  

ENGLISH  

DFB424** DFB532**  

www.lg.com  

MFL70282499  

Rev.02_042023  

Copyright © 2022-2023 LG Electronics Inc. All Rights Reserved.  

VIEW FULL SCREEN PDF MANUAL

General	Details
Name	LG DFB424 Dishwasher
Make	LG
Language	English
Filetype	PDF (Download)
File size	3.11 MB

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• ALL DISHWASHER INSTRUCTIONS & USER MANUALS
• LG

LG DFB424 Dishwasher Overview

Summary of Contents

• Page 1: Owner's manual for the dishwasher. Read these instructions carefully before beginning installation. This will simplify installation and ensure correct and safe installation. Leave these instructions near the product after installation for future reference. Model numbers include DFB424** and DFB532**. Copyright © 2022-2023 LG Electronics Inc. All rights reserved.
• Page 2: This manual may contain images or content that may be different from the model you purchased. This manual is subject to revision by the manufacturer. Safety instructions include reading all instructions before use, warnings, and cautions. Caring for the environment is addressed. Installation sections cover parts and specifications, preparing cabinet opening, leveling the appliance, installing the drain hose, preparing water and electrical connections, and final installation check. Operation overview includes before using, control panel, wash cycles, options and extra functions, programme table, information for test, loading the dishwasher, adding cleaning agents, refilling, and useful tips. Smart functions include LG ThinQ application and smart diagnosis. Maintenance covers cleaning and caring.
• Page 3: Before calling for service.
• Page 4: Safety instructions emphasize the importance of supervision for children around the appliance. The maximum number of place settings for the dishwasher should be observed as per specifications. Water pressure must be maintained between 0.05 MPa and 1.0 MPa. Never operate the appliance if it is damaged, malfunctioning, or has missing parts. Contact an authorized service center if the power cord is damaged or the socket outlet is loose. Do not modify the power cord; report any incompatibility to the customer information center. Transport the appliance securely with two or more people. Avoid installing the appliance in damp, dusty, or outdoor areas exposed to weather conditions. Do not use multiple socket outlets, extension cables, or adapters with the appliance. Disconnect the power supply before installation or servicing the appliance.
• Page 5: Safety instructions When installing or moving the appliance, be careful not to pinch, crush, or damage the power cord. Use new hose or hose-set supplied with the appliance. Reusing old hoses can cause a water leak and subsequent property damage. Improper connection of the equipment-grounding conductor can result in risk of electric shock. This appliance must be grounded. In the event of malfunction or breakdown, grounding will reduce the risk of electric shock. This appliance is equipped with a power cord having an equipment-grounding conductor and a grounding power plug. After installing, check the hose connection for leaks before moving the appliance into the cabinet opening. Do not damage or place heavy items on the power cord of the appliance. This appliance is intended to be used in household and domestic applications only and must not be used for commercial purposes. For a permanently connected dishwasher: This appliance must be connected to a grounded metal, permanent wiring system. Immediately unplug the power plug and contact an LG Electronics customer information centre if you detect a strange sound, odour, or smoke.
• Page 6: Safety instructions Do not repair or replace any part of the appliance. All repairs and servicing must be performed by qualified service personnel unless specifically recommended in this Owner’s Manual. Do not leave the appliance door open. Children may hang on the door or crawl inside the appliance, causing damage or injury. Do not use flammable gas and combustible substances near the appliance. Do not attempt to separate any panels or disassemble the appliance. Do not bend the power cable excessively or place a heavy object on it. Do not put animals, such as pets into the appliance. Do not touch the power plug or the appliance controls with wet hands. If there is a gas leakage, do not touch the appliance or power plug and ventilate the area immediately. Hydrogen gas is explosive. If the hot-water system has not been used for two weeks or more, turn on all hot water taps and let the water flow for several minutes. Keep the area underneath and around your appliances free of combustible materials.
• Page 7: Safety instructions Do not operate the appliance unless all enclosure panels are properly in place. Use only detergents or wetting agents recommended for use in an appliance and keep them out of the reach of children. Do not wash and dry articles that have been soaked in explosive substances such as gasoline or solvents. When loading items to be washed, locate sharp items so that they are not likely to damage the door seal. Do not wash plastic items unless they are marked “dishwasher safe” or check the manufacturer’s recommendations. Do not touch any heating element during or immediately after use. Do not abuse, sit on, or stand on the door or dish rack of the dishwasher. Do not open the door while the appliance is in operation to avoid water splashing out. Be careful not to catch your hand when closing the door of the appliance. Small parts can be a choke hazard to small children if removed from the dishwasher.
• Page 8: Safety instructions highlight the importance of not leaving the door open to avoid tripping hazards. Maintenance guidelines emphasize the proper way to unplug the appliance by gripping the power plug firmly. It is advised to securely plug the power plug into the socket after ensuring it is free from moisture and dust. Cleaning instructions warn against spraying water inside or outside the appliance. Disconnecting the appliance from the power supply is crucial before cleaning, as setting controls to OFF does not suffice. Disposal recommendations include unplugging the appliance before discarding it and cutting off the cable to prevent misuse. Packaging materials should be disposed of safely to avoid suffocation hazards for children. Removing the door before disposal is important to prevent trapping children or small animals inside. Basic safety precautions should be followed to reduce the risk of fire, electric shock, or injury. Installation tips suggest placing the product on a firm and level floor and avoiding placing the drain hose under the dishwasher.
• Page 9: Safety instructions Turn off the water tap and unplug the appliance if it will be left for an extended period. Do not place objects on the top of the appliance. Do not wipe or coat the surface of the product with liquid detergent or bleach. Do not touch water draining from the machine as it may be hot. Defrost the drain hose and water supply hose if frozen in winter before using. Do not put hands, feet, or metal objects below or behind the appliance. Do not wash dishes stained with chemical products used in beauty or massage shops. If cooking oil spills on the exterior, wipe it off immediately. Do not clean the exterior with cleaners containing alcohol, thinners, or abrasives.
• Page 10: Safety instructions Disposal of your old appliance (as per e-waste rules) The crossed out wheeled bin symbol indicates the product is covered by E-Waste Management Rules India. The product should be handed over only to authorized recyclers for disposal. Keep the product in an isolated area after it becomes non-functional or unrepairable. The product should not be opened by the user but only by authorized service personnel. The product is not meant for resale to unauthorized agencies or scrap dealers. The product is not meant for mixing into household waste. Do not keep any replaced spare parts from the product in exposed areas. Unauthorized disposal will attract action under the Environment (Protection) Act 1986. This product complies with the requirements of hazardous substances as specified under E-Waste Management Rules India.
• Page 11: Safety instructions
• Page 12: Installation Parts and specifications Appearance and specifications may change without notice to improve the quality of the appliance. Front view Interior view Top wash impeller Upper spray arm Lower spray arm Filtration system Detergent and rinse aid dispenser
• Page 13: Installation Funnel Accessories Specifications Model DFB424** Model DFB532** Power supply: 220 - 240 V~, 50 Hz Dimension: 600 mm X 600 mm X 850 mm Product weight: Approx. 49 kg / Approx. 48 kg Max. capacity: 14 place settings Permissible inlet water pressure: 0.05 - 1.0 MPa Power consumption: 1600 - 1800 W
• Page 14: Install the appliance on a flat and stable area. This installation must be conducted by qualified service personnel to ensure it has been installed correctly. Do not pull or lift the appliance using the handle; doing so can damage the door and hinges. Select a location as close to the sink as possible for ease of connection to the water and drain pipes. To ensure drainage, the appliance should not be installed more than 1 metre away from the sink. If the appliance is installed in a corner, allow minimum clearance of at least 50 mm between the appliance and an adjacent cabinet or wall. Before sliding the appliance into the installation opening, all necessary height adjustments should be made using a spanner. Any bare wood surrounding the appliance should be sealed with a waterproof paint or sealant to prevent it from swelling. Make sure that the drain hose behind the machine and inside the cabinet is not kinked or stretched.
• Page 15: Installation If the appliance rocks when pushing the top plate, adjust the feet again. The appliance is not level if there is a rubbing sound or stickiness when the door is opened. When the appliance is not perfectly level, turn the adjustable feet until it no longer wobbles. Turn the adjustable feet clockwise to raise or counterclockwise to lower. Place the appliance on a solid, level floor. Do not install the appliance on an elevated surface. When the appliance is correctly leveled, there should be no slant, stickiness, or rubbing sound when the door is opened. Levelling the appliance prevents unnecessary leakage and poor washing. Check whether the appliance is perfectly level after installation.
• Page 16: Installation Check the opening of the door and repeat if necessary until the door opens and closes properly. If the end of the drain hose does not fit to the drain line, use a drain extension kit that is resistant to heat and detergent. Check the waste spigot when initially installing. An OE error can occur when the waste spigot below the sink is not drilled out properly. To connect the drain hose, drill out at least a 15 mm diameter hole in the waste spigot before connecting and securing. Make sure that plastic debris is not remaining inside of the spigot after it has been drilled out. Do not attempt to open the waste hole with a screwdriver and hammer, as this will induce debris to become stuck and cause a malfunction. Caution should be taken when passing hoses through cabinetry holes as they may have sharp edges and could damage the hoses. Make sure that the line is not kinked or sharply bent. Make sure the drain hose is straight before feeding the end of it through the hole for the water supply. To prevent siphoning, one of the following methods must be used.
• Page 17: Installation When the drain hose is connected to a waste spigot, the hose must be looped up to the underside of the bench top and secured. Connect the water supply hose to the water tap. When the drain hose is connected to a separate standpipe connection, standpipe diameter is at least 40 mm. It is essential that an airtight connection be made to avoid inducing odours. Do not shorten or damage the water supply hose as it contains electrical wires and components. The water supply hose must not be tampered with, cut, disassembled, pulled, or kinked to prevent electrical hazards. Only use the threaded nut of the water supply hose to tighten it to the tap. Do not twist or kink the water supply hose when connecting it to the tap. This appliance may be fed with either hot or cold water. If the water connection cannot be maintained below 65ºC, the appliance must be connected to cold water.
• Page 18: Installation Use sealant tape or sealing compound on the tap’s thread to avoid water leaks. Make sure that the line is not kinked or sharply bent. Turn on electrical power. Before connecting the water supply hose to the tap, turn on the tap to flush out foreign substances in the water lines. The door should open and close smoothly and without harsh noises if the unit has been levelled correctly. Run the appliance on a rinse cycle to verify proper operation and check for leaks. Connect the appliance to an earthed socket in accordance with the current wiring regulations. Wiring must be two wires with earth. For personal safety, remove house fuse or open circuit breaker or switch off power plug before installation. Repairs to the appliance must only be carried out by qualified service personnel.
• Page 19: Installation Error code Possible cause and solution Water supply line kinked under dishwasher. Feed the drainage and supply hoses through the hole under the sink. Gradually slide the dishwasher into the cabinet while pulling on the hoses. This helps avoid kinking the hoses or trapping them beneath the dishwasher. House water supply not turned on. Turn water on. Water pressure may be too high or too low.
• Page 20: Operation overview Load the dishes in the rack. Make certain that no dishes or utensils are in the path of the spray arms. Do not place one dish on top of another. Press the power button. The unit will turn on. Check the indicators. Check that there is rinse aid and dishwasher salt present. Add the proper amount of detergent powder to the dispenser. Always clean the filter either after a wash or before a wash so that it does not impair the washing results. Do not load any items in the upper rack when the lower rack is pulled out and loaded. Ensure that the upper spray arms and the lower spray arms rotate well. Do not open the door during operation or right after it has completed the wash cycle as the steam may cause scalding.
• Page 21: Set the softening system level of the appliance according to the water hardness level. Never use liquid dishwashing detergent in the appliance. You can check water hardness by using the test strip included in the product. It is not recommended to rinse the dishes manually before operating the dishwasher because it increases water and energy consumption. Washing tableware in a household dishwasher usually consumes less energy and water in the use phase than hand dishwashing when the household dishwasher is used according to the manufacturer’s instructions. Loading the household dishwasher up to the capacity indicated by the manufacturer will contribute to energy and water savings. This model has a water softener to soften hard water. The appliance can be used without dishwasher salt if not required, however, the hardness level needs to be set to H0. In order to provide satisfactory rinsing results, the appliance requires soft water, i.e., containing little or no lime. If the tap water exceeds a certain level of hardness, it must be softened, i.e., decalcified.
• Page 22: Operation Water hardness table Water hardness levels range from soft to hard. The water softener has five adjustment levels. For effective washing results, adjust the setting according to the hardness level of the water supply. The salt dispenser must be filled with salt before starting the washing program. The salt refill icon indicates insufficient salt unless the hardness level is set to H0. Once filled with dishwasher salt, run the rinse cycle immediately to prevent corrosion. The current setting value can be checked and adjusted through specific button presses. The scope of setting value is H0 to H4. A wash cycle consists of four operations according to the Eco program.
• Page 23: Operation Remove the lower rack and the cap of the salt dispenser located on the left side of the filters. Before using the appliance for the first time, pour 1 kg of dishwasher salt and 1 litre of water if using the water softener system. The salt can be purchased from salt distributors. The rinse aid indicator appears in the display when more rinse aid is needed. The use of rinse aid is recommended to prevent water spots on dishes and to enhance drying results. Run the rinse cycle without dishes. Do not pour any detergent in the salt dispenser as it will cause a malfunction. Add a liquid rinse aid to the maximum fill level. Wipe off any spilled salt around the salt dispenser cap to prevent corrosion. Seal the cap properly to avoid leakage of saline solution that can cause corrosion.
• Page 24: Operation Press Delay Start to change the rinse aid dispenser setting. Each press of the button changes the setting one step from L0(off) to L4. If the rinse aid lid is not closed properly, a large amount of rinse aid will release into the tub and cause washability problems. Rinse aid is dispensed automatically during the final rinse cycle. The Rinse Aid Refill icon will illuminate when more rinse aid is needed. Wipe off any spilled rinse aid to prevent suds. If you notice cloudy spots, streaks or water marks on the glassware after washing, increase the setting level. Only use liquid rinse aid in the appliance. Setting the control too high can cause foaming, which will cause poor wash results. If rinse aid flows out of the dispenser, wipe it off to prevent suds and staining. Setting the rinse aid control too low can cause spotting and streaking on dishes and poor drying results.
• Page 25: Operation Control panel Control panel features For steam models Press power button to turn power on and off. After the cycle is complete, the power automatically turns off for purposes of safety and economy. If there is a power surge, power outage, or disruption of any kind, power is automatically turned off for safety. When power is connected again, it will turn on automatically and resume the cycle. The digital display on the control panel shows the estimated cycle time. During operation, the display shows the remaining estimated operating time.
• Page 26: Operation This icon flashes when the rinse aid level is low. The LED automatically shuts off when the rinse aid is refilled or the level is set to 0. Machine clean icon This icon flashes after every 30 cycles. To activate or deactivate the icon, press the Delicate button for 3 seconds. Wi-Fi When the appliance is connected to the internet through a home Wi-Fi network, this icon illuminates. Salt refill icon This icon flashes when the salt level is low. The LED automatically shuts off when the salt is refilled. Chime on/off To activate or deactivate the button sounds, press and hold Dual Zone and Energy Saver simultaneously for 3 seconds. The error alert sound cannot be turned off. Cancel The drain pump activates and the cycle cancels. Once the appliance finishes draining, the power turns off. Press and hold START button for 3 seconds to activate the cancel function. START To operate the appliance, either press START button and close the door or close the door and press START button. If START button is not pressed to start the cycle within 4 minutes, the power will automatically turn off. Delicate wash cycles Use this cycle to clean delicate items such as fine china and stemware. Auto This cycle senses the soil amount and water clarity and optimizes the wash to achieve the best cleaning. Refresh This cycle freshens up and warms dishes that have been unused for a long time. Do not use detergent when using this cycle. Intensive This cycle is for heavily soiled dishes and dishes with hardened on soil. This cycle defaults to the strongest spray intensity. Eco It provides the most efficient energy and water consumption for a good washing result and drying result on a normally soiled load.
• Page 27: Operation Turbo Express This cycle will clean moderately soiled dishes using slightly more energy and water. This cycle will quickly clean lightly soiled dishes. Press and hold Turbo for 3 seconds to activate. Extra Dry is set to on as default. If you do not want to dry dishes after washing, turn off the Extra Dry option. Detergent tablets are not recommended for use of Express cycle. Download Cycle Use a dedicated cycle downloadable via Wi-Fi or NFC. Options and Extra Functions Select the desired cycle button and then select the options for that cycle. Machine Clean This cycle is for cleaning the inside of the appliance.
• Page 28: Operation When this feature is activated, the display code CL will show on the display. Steam adds steam during the cycle to improve wash results. To start a new cycle, deactivate this feature. High Temp raises the main wash or heating rinse temperature to improve cleaning. Wi-Fi connects to the network by pressing and holding Delay Start for 3 seconds. A chime will sound to alert you of any residual temperatures inside the appliance. Extra Dry adds extra drying time to the cycle and raises the heating rinse temperature. Delay Start delays the start of a selected cycle from 1 to 12 hours. Control Lock helps prevent settings from being changed during a cycle. This feature does not lock the door.
• Page 29: Operation Programme table Programme guide For steam models Wash Main wash Rinse Heating rinse Running time may vary according to the water temperature, ambient temperature, water pressure and voltage. Information that the values given for programmes other than the eco programme are indicative only.
• Page 30: Operation Available options The energy saver option is not available with the high temp. or extra dry option. The delay start option can be selected for every washing programme in this table. For steam models Energy saver Dual zone Half load Steam High temp. Extra dry
• Page 31: Operation Cutlery basket Capacity: 14 place settings Comparability programme: Eco The Eco programme is used to assess compliance with the EU ecodesign legislation. Rinse aid setting: L2 Reference cleaner: 35 g of detergent onto the inside surface of the door. Height-adjustable Rack-U position: Middle Loading the dishes Correct loading is done in accordance with the images provided in this chapter.
• Page 32: Operation Upper rack Lower rack Loading the dishwasher For effective washing results, always follow the instructions. Remove large particles of food debris from plates including bones before loading. Always rinse off plates when loading if they are not to be washed immediately. Items with burnt on food should be soaked prior to loading the dishwasher. Deep based items should be placed upside down.
• Page 33: Operation Plastic items will not dry well, compared to other items. To make it easier to load larger dishes, the front row of tines can be folded down. Make sure that all items do not touch each other. Items not suitable for dishwashers include copper or anodised aluminium, hand painted silver or gold leaf crockery, wood or bone handled utensils, iron or non rust proof utensils, and expensive ware such as silver and dishes with golden rings. The spray arms must not be blocked by items that are too tall or hang through the baskets. Test for free movement by manually rotating the spray arms. Do not place pots or pans with plastic handles in the appliance as the handles may deteriorate due to the heat and detergent. Water proof or long lasting lipstick smudges on glasses may not be removed during the wash. Fold tines down to fit larger dishes; pull tines back up to fit smaller dishes. The lower rack is suitable for dinner plates, soup bowls, dishes, pots, pans, lids and even a grill tray.
• Page 34: Operation Loading the upper rack The upper rack is suitable for delicate items such as small plates, long cutlery, cups, glasses, and appliance safe plastic items. The spray arms must not be blocked by items that are too tall or hang through the baskets. Cups, glasses, and bowls must be positioned upside down. Plates should be positioned upwards with the plate. The left and right cup racks are interchangeable and can be removed. The cup racks provide support for long steam glasses. Slide cup rack down into its closed position. The left side row of tines can be folded down or the cup racks can be folded up out of the way for tall crockery items.
• Page 35: Operation The rack on the left pops free at the back. The rack on the right pops free at the front. There are three available positions for adjusting the height of the upper rack to create more space. Hold the rack at the centre of each side to support its weight. Push the button on each side to release the rack and lower it to the lower position. Lift the rack at the centre of each side until the rack locks into place in the upper position. It is not necessary to lift the lock levers to raise the rack. The height of the upper rack can be adjusted when you load glasses with long stems or tall crockery items.
• Page 36: Operation Pull out the lower rack first, and the upper rack later. Possible plate size according to the upper rack position. When the upper rack is in the lower position, the possible height of dishes differs with models where the cutlery rack is fitted. For large utensils, such as whisks, the cover can be opened by being unhinged. Place forks and spoons in the cutlery basket with their handles downwards. Before adjusting, ensure the rack is empty of all dishes. Raise the upper rack without pushing the buttons on each side. To set the rack to the middle position, it may be easier to lower the rack all the way down. To prevent injuries, place knives and other utensils with sharp points in the cutlery basket with the pointed edges facing downwards. Do not obstruct the rotation of the spray arms.
• Page 37: Operation Fill to the 15 line for soft water or lightly soiled loads. The cutlery shouldn’t be longer than 18 cm. If a prewash is desired, fill the recessed prewash compartment area on the lid with detergent. Remove the label on the dispenser prior to running the appliance for the first time. The amount of detergent needed depends on the cycle, load size, and soil level of dishes. Put detergent into the detergent compartment before starting any cycle, except the rinse cycle. Add dishwashing detergent to the main wash compartment until the level is between the lines marked 15 and 25. Fill to over the 25 line for hard water or heavily soiled loads.
• Page 38: Operation Some appliance detergent tablets may become stuck in the dispenser due to their excessive size. Tablets can be placed onto the base of the wash tub next to the filter before starting the cycle. Never use liquid dishwashing detergent in the appliance. Detergent tablets are not recommended for use of Express cycle. If the detergent tablets are used, it may cause detergent residue on dishes due to the relatively low rinse temperatures. Dishwasher detergent and rinse aid contain chemical components, so they must be kept out of the reach of children. To maintain effective dry results, check and refill rinse aid regularly. Use only detergent intended for dishwashers. Incorrect detergent may cause the appliance to fill with suds during operation. After refilling the dishwasher salt, a wash programme should be operated without dishes, as any spilled salt inside the appliance may cause rust or damage. Use of an unsuitable detergent and rinse aid may result in a risk of damage, corrosion, poor washing results, poor drying, or leakage. Do not add detergent or any other solution into the water softener housing other than dishwasher salt. Too much detergent can leave a film on dishes and in the tub, resulting in poor wash results.
• Page 39: Operation Useful tips Plastic items may cause poor drying results compared to other items. To assist drying, the door can be opened for a short period of time after the cycle. Make sure that all items do not touch each other. If dry results are not good or water stains remain, add the Extra Dry option or set the rinse level. When using tablet type detergent, an additional rinse may be required depending on the volume of dishes. Unloading the dishwasher Before unloading the dishes, check if the dishes cooled down to hand-warm condition. Empty the lower rack first and then the upper one to avoid water dripping. Do not pull out all full loaded racks at one time; unload each rack one by one.
• Page 40: Smart functions The LG ThinQ application allows you to communicate with the appliance using a smartphone. If you change your wireless router, Internet service provider, or password, delete the registered appliance from the LG ThinQ application and register it again. The application is subject to change for appliance improvement purposes without notice to users. Monitoring checks the current status, cycle options, running time, and cycle end time for the application on a single screen. You can download new and special cycles that are not included in the basic cycles on the appliance. Scan the QR code attached to the product using the camera or a QR code reader application on your smartphone. This function shows how many cycles remain before it is time to run the Machine Clean cycle. Smart Diagnosis provides useful information for diagnosing and solving issues with the appliance based on the pattern of use. Allows you to set various options on the appliance and in the application. You have the option of receiving push notifications on a smartphone when the cycle is complete or the appliance has problems.
• Page 41: Smart functions Change to other security protocols; WPA2 is recommended. Touch the add button on the LG ThinQ application to connect your LG appliance. Follow the instructions in the application to complete the process. The appliance supports 2.4 GHz Wi-Fi networks only. LG ThinQ is not responsible for any network connection problems or faults. The surrounding wireless environment can make the wireless network service run slowly. If the appliance is having trouble connecting to the Wi-Fi network, it may be too far from the router. The network connection may not work properly depending on the Internet service provider. Smart Diagnosis is available on models with the c or d logo. Use this feature to help diagnose and solve problems with your appliance.
• Page 42: SMART FUNCTIONS Press and hold the Download Cycle button for 3 seconds or longer while holding the smartphone mouthpiece to the logo until the data transfer is complete. For reasons not attributable to LGE’s negligence, the service may not operate due to external factors such as Wi-Fi unavailability or app unavailability. Keep the smartphone in place until the data transfer has finished. Time remaining for data transfer is displayed. The feature may be subject to change without prior notice and may have a different form depending on your location. After the data transfer is complete, the diagnosis will be displayed in the application. Using LG ThinQ to Diagnose Issues If you experience a problem with your Wi-Fi equipped appliance, it can transmit troubleshooting data to a smartphone using the LG ThinQ application. For best results, do not move the smartphone while the tones are being transmitted. Launch the LG ThinQ application and select the Smart Diagnosis feature in the menu. Follow the instructions provided in the LG ThinQ application. Using Audible Diagnosis to Diagnose Issues Follow the instructions below to use the audible diagnosis method.
• Page 43: maintenance To maintain performance and prevent problems, check the outside and inside of the appliance, including filters and spray arms regularly. Food residue may be stuck in the narrow gaps inside the appliance after completion of washing. Wipe off all food residue. When cleaning the outside and inside of the appliance, do not use any solvent based solutions such as thinners or acetone. It may cause fire or explosion. Prevent animals from nibbling on the power cable or water hose. If you have not used the appliance for a long time, refresh the inside by running Turbo or Machine Clean programme with detergent. In most cases, the exterior of the appliance can be cleaned with a soft damp cloth or sponge, then dried with a soft cloth. Remove all dishes, cutlery basket and cutlery basket holder from appliance. Only racks should remain in tub. If cooking oil is spilled on the exterior of the product, wipe it off immediately. It is recommended to clean the interior, spray arms, or filters once every two weeks. Clean the interior of the appliance periodically with a soft, damp cloth or sponge to remove food and dirt particles.
• Page 44: Maintenance Clean the filters with a soft brush under running water. Reassemble the filters before reinstalling them. Do not pour vinegar directly into the base. Excessive use of vinegar may cause damage to the appliance. To replace the assembled filters, position the spray arm so the wider vee is toward the front. Fit the filters back into the filter holder and secure them by turning the inner filter clockwise until it clicks into place. Remove the lower rack and position the bottom spray arm so a wider vee is open to the front. Turn the inner filter counter-clockwise and take out the assembled inner filter and stainless steel filter. Be cautious of sharp edges when handling the stainless steel filter. After using the appliance, particles of food are filtered by the filters. Any unremoved food residue may cause bad smell. Drainage may have a problem due to food residue stuck in the filters.
• Page 45: Maintenance Cleaning the upper spray arm When assembling, rotate it firmly until it clicks. Pull the upper rack forward. Make sure that the water jet holes are not blocked by food particles. When cleaning is necessary, remove the upper spray arm by turning the nut on the bottom of the spray arm 1/8 turn counterclockwise and pulling down. If the spray arm holes are blocked by any food residue, dishes may not be cleaned well due to improper water spray. Cleaning the lower spray arm Make sure that the water jet holes are not blocked by food particles. Remove food particles by rinsing or shaking the spray arm. If any food residue blocks the spray arm holes, remove it with a pin or any sharp tool. To avoid breaking the variable angle spray arm end sections, do not pull or manually rotate them. After removing the food residue, clean the spray arms holes under running water.
• Page 46: Maintenance After cleaning the upper spray arm, press it up into place. Refit the filter and gasket and make sure that it is sitting correctly. Refit and secure the water supply hose in reverse order. A filter is fitted into the inlet of the water supply hose connection. If insufficient water flows into the appliance, check that the filter is not blocked. After assembly, check whether the spray arms rotate freely. Never over tighten the water supply valve or use mechanical devices to tighten. When reassembling the seal and the filter, ensure that they are free from dirt or grit. If you will be absent for an extended period of time during warmer months, close the water valve and unplug the power cord. Winterization must be performed by qualified service personnel.
• Page 47: Troubleshooting Before calling for service, operation of the appliance can lead to errors and malfunctions. The following tables contain possible causes and notes for resolving an error message or malfunction. You can remedy most of the problems by yourself, consequently saving time and money. The appliance is equipped with an automatic error-monitoring system to detect and diagnose problems. If this appliance does not function properly or does not function at all, check the following before calling for service. Check for a clogged, kinked or frozen water supply hose. Check for a clogged, kinked or frozen drain hose. Do not use hand dishwashing liquids; only use detergents designed for use in automatic dishwashers. Make sure that the appliance is properly leveled. Call for service if the same problem occurs again for heater circuit failure, excessive water supplied, water leakage problem, or thermistor failure.
• Page 48: Troubleshooting Motor trouble: Call for service if the same problem occurs again. Noise: Some level of noise is normal during operation. Detergent cover opening: Drain pump at the beginning of drain cycle. The appliance is not level: Adjust leveling feet. Nozzle arm knocking against dishes: Reposition the dishes. Water pressure is too high: Adjust water pressure. Door is not completely closed: Level the appliance again. Power supply or power cord is not connected: Connect the power supply or cord properly. Control Lock feature: When activated, the display code CL will show on the display. Appliance contents are hot: Care should be used when placing hands inside the appliance.
• Page 49: Troubleshooting Water remains in sump may occur if the power supply was lost before the end of the cycle. Restart the course. Spray arms do not rotate smoothly if the holes are blocked by food particles. Clean the holes of spray arms. Upper rack is crooked due to poor adjustment. Refer to the Height Adjustable Upper Rack section. Lamps do not illuminate if power is not connected. Connect the power supply. Excessive foam inside the appliance may be caused by using the wrong detergent or excessive rinse aid. Reduce the rinse aid dispensing level. Detergent is left in the dispenser due to an unbalanced upper rack. Adjust the left/right height of the upper rack. Poor stacking of dishes may prevent the automatic opening of the detergent dispenser. Correctly arrange the dishes and dry out the dispenser before adding new detergent. Water leaks outside the appliance may occur if the door is not closed properly due to a tilted appliance. Check the leveling by adjusting the leg. Wrong installation of the drainage hose may cause water leaks. Check the connecting part of the drainage hose. Cloudiness on glassware may result from a combination of excessive detergent and hard water. Use less detergent and a rinse aid to minimize the problem.
• Page 50: Troubleshooting Yellow or brown film on inside surfaces of appliance may be due to coffee or tea stains. Eliminate the stain by using a stain removal product. Yellow water may generate in the water softener tank when initially using the appliance. This is a normal condition and harmless to humans, disappearing after 1 - 3 cycles. Spots and filming on dishes can occur from using the wrong amount of detergent. Use the recommended amount of detergent. Overloading the appliance can lead to poor cleaning results. Do not overload the appliance. Improper loading may affect cleaning. Refer to the operation section for proper loading instructions. Insufficient water pressure should be between 0.05 - 1.0 MPa for optimal performance. Insufficient detergent can lead to poor cleaning results. Add the recommended amount of detergent. An empty rinse aid dispenser can affect drying performance. Refill the rinse aid dispenser. Check the water softener for salt if hard water buildup occurs. Ensure there is sufficient salt in the water softener. To remove hard water buildup, use citric acid powder or white vinegar and run a cleaning cycle without detergent.
• Page 51: Troubleshooting Symptoms and possible causes for issues with food residue and odors in the unit. Clean the filter and the interior according to the maintenance section of the owner’s manual. Cycle with one cup of white vinegar in an appliance safe glass or bowl placed on the upper rack. Select correct cycle based on soil level and type of dishware being washed. Check water supply connection or water heater setting for low water temperature. Use recommended detergent to avoid food soil remaining on dishes. Water pressure should be between 0.05 - 1.0 MPa. Clean the spray arms to prevent blockage of water jet holes. Make sure dishes do not block spray arm rotation or interfere with detergent dispenser. Check and refill the rinse agent dispenser if empty for better drying results.
• Page 52: Troubleshooting Dishes don’t dry. Select a cycle that defaults to the Extra Dry option. Your home appliance and smartphone are not connected to the Wi-Fi network. The password for the Wi-Fi that you are trying to connect to is incorrect. Turn off the mobile data of your smartphone and register the appliance using the Wi-Fi network. The wireless network name (SSID) should be a combination of English letters and numbers. Only a 2.4 GHz router frequency is supported. If the distance between the appliance and the router is too far, the signal may be weak.
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