LG Electronics LDTH7972S 23.75 in. in PrintProof Smart Dishwasher

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us_main.book.book Page 23 Wednesday, June 29, 2022 8:57 AM  

OPERATION 23  

OPERATION  

Before Using  

WARNING  

• To reduce the risk of fire, electric shock, or injury to persons, read the SAFETY INSTRUCTIONS before  

operating this appliance.  

NOTE  

• Connect to the hot water supply only. The water supply temperature should be a minimum of 120 °F (49  

°C) for better washing performance and shorter cycle time.  

• Follow the instructions for loading the dishwasher to ensure effective cleaning.  

• Remove insoluble items such as bones, toothpicks, and pieces of paper while loading the dishwasher.  

5

6

Select the cycle and options.  

Quick Start  

• Select the cycle and options that best fit the  

load by referring to the Cycle Guide. The  

display will show the estimated time for the  

cycle and options selected.  

1

Load the dishes.  

• Pull each rack out and load the dishes as  

described in this manual.  

• Only load items that are dishwasher-safe.  

Operate the dishwasher.  

• Scrape the dishes free of excess food,  

bones, and any other hard, non-soluble  

residue. Remove solid, burned-on scraps  

from dishes prior to loading in the  

dishwasher.  

• Method 1  

- Press the Start button and then close the  

door in less than four seconds to operate  

the dishwasher. If the door is not closed  

within four seconds, the white LED with  

time flashes, an audible tone is heard, and  

the cycle does not start.  

• Place items with deep dish bottoms at an  

angle to help water run off and speed the  

drying process.  

• Do not load items that are not heat-  

resistant or have decorative metal trim.  

• Method 2  

- Close the door first and then press the  

Start button to operate the dishwasher.  

2

Add the detergent.  

NOTE  

• Using the guidelines in this manual, fill the  

detergent cup with the recommended  

amount of detergent and close the lid. If a  

prewash is desired, the recess on top of the  

lid should also be filled with detergent.  

• If the door is opened during the cycle, the  

dishwasher will stop. To resume the cycle, see  

methods 1 and 2 above.  

• If the door is opened during the cycle and is not  

closed within four seconds after selecting the  

Start button, or if the door is closed without  

pressing the Start button, the white LED with  

time flashes, an audible tone is heard, and the  

cycle does not start.  

3

4

Turn on the dishwasher.  

• To turn on the display panel, press the  

Power button.  

Check the rinse aid.  

7

End of cycle.  

• The Rinse Aid Refill LED will flash if the  

level of rinse aid in the dishwasher is low.  

Add rinse aid if the level is low to maintain  

the effectiveness of the dry cycle.  

• When the cycle is complete, a chime will  

sound and the display will show ENd until  

the door is opened or Power is pressed. To  

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Name	LG Electronics LDTH7972S 23.75 in. in PrintProof Smart Dishwasher
Make	LG Electronics
Language	English
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• ALL DISHWASHER INSTRUCTIONS & USER MANUALS
• LG Electronics

LG Electronics LDTH7972S 23.75 in. in PrintProof Smart Dishwasher Overview

Summary of Contents

• Page 1: Operation Before using, read the safety instructions to reduce the risk of fire, electric shock, or injury. Connect to the hot water supply only, with a minimum temperature of 120 °F for better performance. Follow loading instructions to ensure effective cleaning and remove insoluble items before loading. Select the cycle and options that best fit the load by referring to the cycle guide. Load the dishes by pulling each rack out and ensuring only dishwasher-safe items are loaded. Scrape dishes free of excess food and remove solid, burned-on scraps before loading. Press the Start button and close the door within four seconds to operate the dishwasher. Fill the detergent cup with the recommended amount of detergent and close the lid. The dishwasher will stop if the door is opened during the cycle; follow the methods to resume. The Rinse Aid Refill LED will flash if the rinse aid level is low; add rinse aid to maintain drying effectiveness.
• Page 2: Operation It is normal for the dishwasher to chime continuously if you open it during operation or just after the cycle ends. The dishwasher is letting you know that the interior temperatures of the unit are hot and to use caution when reaching inside. Do not open the door during operation or immediately after it has completed the wash cycle as the escaping steam may cause scalding. Empty the lower rack first and then the upper rack to avoid water dripping from the upper rack onto dishes in the lower rack. The dishwasher automatically turns off after four minutes of inactivity if paused or if no cycle is started.
• Page 3: Operation Control panel features Power On/Off button Press this button to turn the washer on or 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, the dishwasher will turn on automatically and resume the cycle. Option setting mode You can set various options by using the Option Setting Mode. While an appliance is off, press Power and Remote Start simultaneously to enter the Option Setting Mode. Display Rinse aid refill LED illuminates when the rinse aid level is low. The digital display on the control panel shows the estimated cycle time.
• Page 4: Operation The estimated time shown on the display does not include delay times for heating water. If Delay Start is selected, the display shows the delay time in hours. Cycle time may vary depending on the soil level of your load. Control Lock feature helps prevent settings from being changed during a cycle. The Sanitized indicator stays lit at the end of the cycle if the dishes were properly sanitized. When the appliance is connected to the internet through a home Wi-Fi network, this LED illuminates. Press and hold Start for three seconds to activate. Heavy Wash Cycles is for heavily soiled dishes and dishes with hardened on soil. This cycle senses the soil amount and soil toughness and is optimized to achieve the best cleaning. This cycle will clean and dry lightly soiled dishes in 1 hour.
• Page 5: Operation Refresh options and extra functions freshen up and warm unused dishes. Do not use detergent when using the refresh cycle. The steam option cannot be turned off and improves wash performance. The sanitized indicator stays lit if dishes were properly sanitized. Use a dedicated cycle downloadable via Wi-Fi or NFC with the LG ThinQ app. The machine clean cycle eliminates residual soils and odors. The express cycle quickly cleans lightly soiled dishes without drying. The rinse cycle is a quick rinse for dishes that will not be washed immediately. The pots & pans cycle cleans heavily soiled cookware without hand scrubbing. The glassware cycle safely washes delicate glassware, leaving it sparkling.
• Page 6: Operation If the rinse aid dispenser is empty, the Dry Boost Low option is automatically added to all cycles. Use just the upper rack to save energy and time for small loads and light soil. The Night Dry option runs the ventilation fan periodically to help vent the steam from the tub. The Night Dry option is selected by default for all cycles for which it is available, except the Normal cycle. Select the Dry Boost option for better drying performance. This feature delays the start of a selected cycle from 1 to 12 hours. Press the Dry Boost button once for optimal energy efficiency. Use a smartphone to control your appliance remotely and monitor your cycle operation. Press the Dry Boost button twice for better drying results. The cycle guide shows the available options for each cycle.
• Page 7: Operation Cycle options include Auto, Normal, Heavy, Delicate, 1 Hour, Refresh, and Steam. Available options are Dry Boost, Night Dry, and Delay Start. Actual water consumption varies depending on soil level and hardness of water. Running time and cycle time displayed may change based on options chosen and water conditions. Options are not available for the Download Cycle; Machine Clean is the default. You can set various options using the Option Setting Mode. Press Power and Remote Start simultaneously to enter the Option Setting Mode. Machine Clean LED flashes every 30 cycles; it can be activated or deactivated. Rinse aid level can be adjusted from L0 to L4. Chime sound can be turned on or off for button sounds or notifications.
• Page 8: Operation Waterproof or long-lasting lipstick smudges on glasses may not be removed during the wash. The error alert sound cannot be turned off. The default ON setting selects options automatically for better washing and drying performance. The silverware basket has separators to avoid scratching and tarnishing of delicate silverware. You can turn on/off the End sound. The extra tall tub allows loading of dishes, pans, or other utensils up to 14 high. Remove large particles of food debris from plates including bones before loading. The combination of high water temperature and dishwasher detergents may damage certain items. Do not wash copper or anodized aluminum, hand-painted silver or gold leaf china, wood or bone handled utensils, iron or non-rustproof utensils, and plastic items which are not dishwasher safe. For best cleaning results, use the top separators in the basket when loading silverware.
• Page 9: Operation The lower rack should not be used for small items such as cups, wine glasses, or small plates. These items should be loaded in the upper rack. Be careful when loading and unloading sharp items. Load sharp knives with the handles up to reduce the risk of personal injury. Make sure that large items do not interfere with the rotation of the spray arms, and do not prevent the detergent dispenser from opening. Loading dishes into the lower rack. Fold tines down to fit larger dishes; pull tines back up to fit smaller dishes. Plates should be positioned upright and facing the center of the rack, and pots, pans and large dishes must be turned upside down. Load dinner plates, dishes, soup bowls, etc. between the tines. Load cookie sheets, cake pans and other large items at the sides or back of the rack. Make sure that pot handles and other large items do not stop the rotation of the spray arms.
• Page 10: Operation Loading pots & bowls Loading the upper rack Loading dishes into the upper rack Loading 10 place settings The silverware basket ships installed at the back of the bottom rack. For best performance, install it along the right side as shown. Loading 12 place settings Upper rack loading tips: Place cups and glasses in the rows between the rack tines. Placing them over the rack tines can lead to breakage and water spots.
• Page 11: Operation To avoid chipping, do not let stemware touch other items. Slide the cup rack down into its closed position. Place items so that the open end faces down for cleaning and drying. Do not stack items on top of each other. Use the upper rack for small or delicate items such as small plates, cups, saucers, glasses, and dishwasher-safe plastic items. Cups, glasses, and bowls must be positioned upside down. Make sure items do not interfere with the rotation of the spray arms above and below the upper rack. This feature is only available on some models. Extra cups or cooking utensils can be laid on the fold down cup racks, which also provide support for long-stemmed glasses. The left and right cup racks are interchangeable and can be removed.
• Page 12: Operation Folding down the upper tines allows for fitting larger dishes. Raise the upper rack without pushing the buttons on each side to ensure it locks into position. To set the rack to the middle position, lower it all the way down and then raise each side individually. Ensure the upper rack height is the same on both sides before pushing it into the dishwasher. There is a 2 3/16 inches gain in height when the upper rack is moved to the lower position. The upper rack adjusts up and down to accommodate items of different heights. Check that the spray arms are free to rotate after adjusting the rack levels. When the upper rack is in the lower position, ensure it and the spray arm do not hit items on the lower rack. Hold the rack at the center of each side to support its weight when lowering it. Ensure the rack is empty of all dishes before adjusting to avoid damage or injury.
• Page 13: Operation Raising the rack involves lifting it at the center of each side until it locks into place in the upper position. To replace the rack, place the back rack supports behind the rear hooks and pull the rack forward. Removing the snap-in gliding upper rack is only available on some models. Loading the cutlery rack is best suited for flatware, with separators to keep items separated. The snap-in upper rack should only be removed for servicing, and gloves should be worn to avoid injury. For best cleaning performance, place flatware in the silverware baskets. Heavily soiled utensils should be placed in the middle rack or spoon basket for optimal performance. To remove the front rack supports, push the front hooks open with a flat-blade screwdriver. To remove the back rack supports, hold a side rail with one hand and lift the front of the rack.
• Page 14: Operation Loading 10 place settings Removing the cutlery rack can create more space on the upper rack for larger items. Always remove the cutlery from the rack before removing the rack. Be careful when loading and unloading items with sharp edges. Do not place bowls in the center of the cutlery rack to avoid leakage. Folding down the cutlery tines allows for fitting flatware. The height adjustable tray can accommodate utensils or cutlery of different sizes. Remove dishes before adjusting the tray. The amount of detergent needed depends on the cycle, load size, and soil level of dishes.
• Page 15: Operation Put detergent into the detergent compartment before starting any cycle, except the Rinse cycle. Using liquid rinse aid improves drying performance by allowing water to drain off of dishes after the final rinse. Do not use detergent tablets for shorter wash cycles as they may not dissolve completely. Dishwasher detergent and rinse aid contain chemical components and must be kept out of the reach of children. Using a wash booster helps remove spots, residue, and the white film caused by hard water. Use only detergent intended for dishwashers to avoid excessive suds and potential leaks. Add dishwashing detergent to the main wash compartment until the level is between the lines marked 15 and 25. After completion of the wash program, check whether the detergent was completely washed out. Too much detergent can leave a film on dishes and in the dishwasher, resulting in poor wash performance. If using detergent tablets without liquid rinse aid, select the Dry Boost option for better drying performance.
• Page 16: Operation Adding rinse aid to the dispenser is necessary when the rinse aid refill LED appears in the display. The use of rinse aid is recommended to prevent water spots on dishes and enhance drying performance. Close the lid to lock the dispenser; rinse aid is dispensed automatically during the final rinse cycle. Only use liquid rinse aid in the dishwasher and do not overfill the rinse aid dispenser. Wipe off any spilled rinse aid around the dispenser. The rinse aid dispenser has five adjustment levels, factory set at level 2. Adjust the setting higher if you have hard water to avoid calcium buildup on dishes. Setting the rinse aid control too low can lead to spotting and streaking on dishes. Setting the control too high can cause foaming, resulting in poor wash performance. Ensure the appliance is off before entering the option setting mode.
• Page 17: Operation Press Dry Boost to change the rinse aid dispenser setting. Each press of the button changes the setting one step from L0 to L4. Once the desired rinse aid dispenser setting is selected, press Start to save. Refilling the rinse aid depends on how often dishes are washed and the rinse aid setting used. The Rinse Aid Refill LED flashes when more rinse aid is needed, unless the rinse aid dispenser setting is set to L0.
• Page 18: SMART FUNCTIONS LG ThinQ application allows you to communicate with the appliance using a smartphone. If you change your wireless router, delete the connected appliance from the LG ThinQ application and connect it again. You can download new and specialized cycles that are not included in the standard cycles on the appliance. Check the distance between the appliance and the wireless router to ensure a strong signal. Only one downloaded cycle can be stored on the appliance at a time. Smart Diagnosis provides useful information for diagnosing and solving issues with the appliance. Set the Rinse Aid Dispenser Level, Machine Clean Reminder, Signal Level, and Clean Indicator Light. To verify the Wi-Fi connection, check that the Wi-Fi LED on the control panel is lit. The appliance supports 2.4 GHz Wi-Fi networks only. You can use the energy monitoring function to check the estimated power usage.
• Page 19: SMART FUNCTIONS Press the Remote Start button and close the dishwasher door to enable the Remote Start function. The Wi-Fi connection may not connect or may be interrupted because of the home network environment. Start a cycle from the LG ThinQ application on your smartphone. Once the Remote Start mode is enabled, you can start a cycle from the LG ThinQ application, but the cycle and option keys on the appliance are deactivated. If the appliance cannot be connected due to problems with the wireless signal transmission, unplug the appliance and wait about a minute before trying again. The door must be closed in order to activate the Remote Start mode. If the firewall on your wireless router is enabled, disable the firewall or add an exception to it. The wireless network name (SSID) should be a combination of English letters and numbers. Search for the LG ThinQ application from the Google Play Store or Apple App Store on a smartphone. Use a smartphone to control the appliance remotely or check to see how much time is left in the cycle.
• Page 20: SMART FUNCTIONS Increase the separation between the equipment and the receiver. This equipment should be installed and operated with a minimum distance of 20 cm (7.8 inches) between the antenna and your body. The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Consult the dealer or an experienced radio/TV technician for help. This device complies with part 15 of the FCC Rules. Operation is subject to conditions that the device may not cause harmful interference and must accept any interference received. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. Users must follow the specific operating instructions for satisfying RF exposure compliance. Use the Smart Diagnosis function to help diagnose and solve problems with your appliance. If you experience a problem with your Wi-Fi equipped appliance, it can transmit troubleshooting data to a smartphone using the LG ThinQ application.
• Page 21: Smart functions Launch the LG ThinQ application and select the Smart Diagnosis feature in the menu. Using audible diagnosis to diagnose issues Follow the instructions below to use the audible diagnosis method. Press the POWER button to turn on the appliance. Do not press any other buttons. Place the mouthpiece of your smartphone close to the logo. 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. Keep the smartphone in place until the data transfer has finished. After the data transfer is complete, the diagnosis will be displayed in the application. For best results, do not move the smartphone while the tones are being transmitted.
• Page 22: Maintenance is important to check the outside and inside of the dishwasher regularly. When cleaning, do not use benzene or thinner to avoid fire or explosion. Wear gloves and/or protective clothing during care and maintenance. Do not use scrub pads or abrasive cleaners on the exterior of the dishwasher. Add citric acid to the detergent dispenser or follow the manufacturer's instructions for cleaning agents. Run the Machine Clean cycle once a month to remove detergent buildup and residue. Wipe off cooking oil spills immediately and avoid cleaners with alcohol or abrasives. Clean the interior periodically with a soft, damp cloth to remove food and dirt particles. Check the drain air gap or in-sink disposal if the dishwasher is not draining well. Run an empty cycle with white vinegar to remove white spots and odor, but use vinegar sparingly to avoid damage.
• Page 23: Maintenance The cleaning or repair of the external drain air gap and disposal. In areas with hard water, clean the filter at least once a month with a soft brush. Clean the filters using non-abrasive materials and warm running water. Cleaning the air gap involves turning off the dishwasher, removing the lower rack, and checking the sump opening for foreign materials. Clean out any debris with a toothpick or brush. Reassemble the filters before reinstalling them. Be cautious of sharp edges when handling the stainless steel filter. Remove food residue caught in filters to prevent odor-causing bacteria and drainage problems. For best wash performance, clean the filter after each load.
• Page 24: Maintenance If any food residue blocks the spray arm holes, remove it with a pin or any sharp tool. Make sure the filter is assembled correctly before starting a cycle. To avoid breaking the rolling spray arm sections, do not pull or manually rotate them. Cleaning the upper spray arm involves pulling the upper rack forward and ensuring the water jet holes are not blocked. When cleaning is necessary, remove the upper spray arm by turning the nut on the bottom counter-clockwise. It is recommended that the spray arms be cleaned once every two weeks. If the spray arm holes are blocked by any food residue, dishes may not be cleaned well. Make sure that the water jet holes are not blocked by food particles when cleaning the lower spray arm.
• Page 25: Maintenance After removing the food residue, clean the spray arms under running water. After cleaning the upper spray arm, press it up into place. Turn the nut 1/8 turn clockwise to make sure that the nut locks back into place. After assembly, make sure that the spray arms rotate freely. If you will be absent for an extended period of time during warmer months, close the water valve and disconnect the power supply line, or turn off the circuit breaker. Clean the filter, tub and dispenser to prevent odor. If you will be absent for an extended period of time during colder months and there is a possibility of freezing temperatures, winterize the water supply lines and the dishwasher itself. Winterization must be performed by qualified service personnel.