User Manual LG LDF5678ST Front Control Smart wi-fi Enabled Dishwasher with QuadWash™

• Owner's manual - (English, Spanish)

Table of contents

• PRODUCT OVERVIEW
• OPERATION
• MAINTENANCE
• TROUBLESHOOTING

OWNER'S MANUAL DISHWASHER

PRODUCT OVERVIEW

Exterior Parts

NOTE

• Do not remove the safety cover at any time.

• To ensure reliability, each LG dishwasher goes through thorough quality control before it leaves the factory.

• You may find water droplets or water spots from this process inside your new dishwasher.

SignaLight™ (Front Display) The top-control models have 3 indicator LEDs centered at the top of the front cover.

• Red : Error (See the Error Codes in Troubleshooting section.)

• White (steady): Normal operation.

• White (blinking): Cycle has been paused. (After four minutes in pause mode, the machine turns off.)

• Green: Cycle finished normally.

The default “ON” setting keeps the green light on until the door is opened. If the setting is changed to “OFF”, the green light turns off after 90 seconds. To change the setting, turn the power on and press and hold the High Temp button for 3 seconds until “ON” or “OFF” appears in the display. The setting is stored until you change it.

Interior Parts

1 Top Wash Impeller 2 Upper Spray Arm 3 Lower Spray Arm 4 Filtration System 5 Detergent and Rinse Aid Dispenser 6 Drying Vent Cover 7 Cutlery Rack 8 Upper Rack 9 Silverware Basket 10 Lower Rack (appearance may vary)

NOTE

• The silverware basket ships installed at the back of the bottom rack. For best performance, install it along the right side as shown in the Interior Parts section.

• Remove all packing materials from the exterior and interior of the dishwasher before installing the appliance.

• Press the tab to remove the cable tie by hand. Cutting the tie with a knife or scissors may damage the rack or the silverware basket.

Accessories

Included Accessories

OPERATION

Using the Appliance

Before Using the Appliance

• Read the Important Safety Instructions.

• 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.

When loading the dishwasher

1. Only load items that are dishwasher-safe
2. Remove solid, burned-on scraps from dishes prior to loading in the dishwasher.
3. Place items with deep dish bottoms at an angle to help water run off and speed the drying process.

Quick Start

1 Load the Dishes

Scrape the dishes free of excess food, bones, and any other hard, non-soluble residue. Pull each rack out and load the dishes as described in this manual.

2 Measure the Detergent

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.

3 Close the Door

4 Turn on the Dishwasher

To turn on the display panel, press the Power button.

5 Check the Rinse Aid

The Rinse Aid icon 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.

6 Select the Cycle and Options

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.

7 Operate 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.

Method 2

• Close the door first and then press the Start button to operate the dishwasher.

If the door is opened during the cycle, the dishwasher will stop. To resume the cycle, see methods 1 and 2 above.

8 End of 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 save energy, press and hold High Temp for three seconds to set the End display to automatically turn off a few minutes after the cycle ends.

Auto-Off

The dishwasher automatically turns off after four minutes of inactivity if paused or if no cycle is started.

Control Panel

1 Power

• Press the 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.

2 Display

• : Rinse Aid Icon

- This icon illuminates 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.

- Refer to the Rinse Aid Dispenser Adjustment section.

• : Digital Display

- The digital display on the control panel shows the ESTIMATED cycle time. When the cycle and options are selected, the display shows the total estimated time to complete those selections. During operation, the display shows the remaining estimated operating time.

• : Control Lock

The Control Lock feature helps prevent settings from being changed during a cycle. Selecting this feature locks all of the buttons, except for the Power button, on the control panel. This feature does not lock the door.

- While a cycle is running, press and hold Half Load and Energy Saver simultaneously for three seconds to activate or deactivate Control Lock.

- To start a new cycle, deactivate Control Lock.

• : Wi-Fi

- When the appliance is connected to the internet through a home Wi-Fi network, this icon illuminates.

- Press and hold Delay Start for approximately three seconds to connect to the network.

3 Cancel

• The drain pump activates and the cycle cancels. Once the dishwasher finishes draining, the power turns off.

• Press and hold Start for three seconds to activate.

4 Start

• To operate the machine, either press Start and close the door within four seconds or close the door and press Start.

• If Start button is not pressed to start the cycle, an alert will sound.

Chime On/Off

• To activate or deactivate the button sounds, press and hold Dual Zone and Energy Saver simultaneously for three seconds. The error alert sound cannot be turned off.

Adding Cleaning Agents

Adding Detergent to the Dispenser

• Remove the label on the dispenser prior to running the dishwasher 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.

1 Push the button on the dispenser lid to open the cover.

2 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.

• Fill to the 15 line for soft water or lightly soiled loads.

3 Push the detergent lid to slide the lid closed until it clicks.

4 If a prewash is desired, fill the recessed prewash compartment area on the lid with detergent.

Adding Rinse Aid to the Dispenser

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 performance.

1 Open the rinse aid lid by lifting up the flap.

2 Add a liquid rinse aid to the maximum fill level. The rinse aid should be settled in the dispenser while filling, or air bubbles may result in poor drying performance. Avoid overfilling the dispenser.

3 Close the lid to lock the dispenser. Rinse aid is dispensed automatically during the final rinse cycle.

Rinse Aid Dispenser Adjustment

The dispenser has five adjustment levels. The dishwasher is programmed at the factory for a rinse aid dispenser level of 2. This can be checked and altered by using the buttons on the control panel.

1. Ensure the appliance is off.
2. Press Dual Zone and Power simultaneously to check the current setting.
3. Press Delay Start to change the rinse aid dispenser setting. Each press of the button changes the setting one step from L0 to L4.
4. Once the desired rinse aid dispenser setting is selected, press Start to save.

MAINTENANCE

To maintain performance and prevent trouble, it is important to check the outside and inside of the dishwasher, including filters and spray arms, at regular intervals.

Cleaning the Exterior

• In most cases, the exterior of the dishwasher can be cleaned with a soft damp cloth or sponge, then dried with a soft cloth. If the dishwasher has a stainless steel exterior, use a stainless steel cleaner.

Cleaning the Interior

• Clean the interior of the dishwasher periodically with a soft, damp cloth or sponge to remove food and dirt particles.

• To remove white spots and odor from inside the dishwasher, run an empty cycle, without detergent, with one cup of white vinegar in a dishwasher safe glass or bowl placed on the upper rack. (Vinegar is an acid and with constant use it could damage the appliance.)

Seasonal Maintenance and Storage

• 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.

Clogged Drain Air Gap or In-Sink Disposal

Check the drain air gap or in-sink disposal if the dishwasher is not draining well.

Cleaning the Air Gap

1 Turn off the dishwasher.

2 Remove the air gap cover and the plastic cap underneath it.

3 Clean out any debris with a toothpick or brush.

4 Replace the plastic cap and air gap cover.

Cleaning the Filters

1 Remove the lower rack and position the bottom spray arm so a wider vee is open to the front.

2 Turn the inner filter counter-clockwise and take out the assembled inner filter and stainless steel filter. With the filters removed, check the sump opening and remove any foreign materials, if needed.

3 Clean the filters with a soft brush under running water. Reassemble the filters before reinstalling them.

4 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.

NOTE

• For best wash performance, clean the filter after each load. If food debris remains in the filter, it may cause an odor.

• 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.

• Make sure the filter is assembled correctly before starting a cycle. When assembling, rotate it firmly until it clicks.

Recommended Filter Cleaning Schedule

Cleaning the Spray Arms

If the spray arm holes are blocked by any food residue, dishes may not be cleaned well due to improper water spray.

It is recommended that the spray arms be cleaned once every two weeks.

Cleaning the Lower Spray Arm

1 Make sure that the water jet holes are not blocked by food particles.

2 If any food residue blocks the spray arm holes, remove it with a pin or any sharp tool.

Cleaning the Upper Spray Arm

1 Pull the upper rack forward. Make sure that the water jet holes are not blocked by food particles.

2 When cleaning is necessary, remove the upper spray arm by turning the nut on the bottom of the spray arm 1 /8 turn counter-clockwise and pulling down.

3 Remove food particles by rinsing or shaking the spray arm.

4 If any food residue blocks the spray arm holes, remove it with a pin or any sharp tool.

5 After removing the food residue, clean the spray arms holes under running water.

6 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.

7 After assembly, check whether the spray arms rotate freely

TROUBLESHOOTING

FAQs: Frequently Asked Questions

Q: Does this dishwasher require a rinse aid to be used?

A: Rinse aid is strongly recommended to enhance the drying performance of the dishwasher. In order to be more energy efficient, the hybrid drying system does not use a heating element to assist in drying, so a rinse aid plays an integral role in the drying process. If a rinse aid is not used, water may remain on the dishes and the tub. Rinse aid helps to ensure that the majority of the water has been sheeted off of the dishes at the end of the rinse and that the load is ready for the dry cycle.

Q: What can be done if my dishes have a cloudy, white film on them after a wash?

A: The cloudy film is usually caused by minerals in the water reacting with the dishwasher detergent. First, be certain not to use too much detergent. Refer to Adding Detergent to the Dispenser section for recommended detergent amounts. Add an extra rinse to the cycle. LG Dishwashers use less water than traditional dishwashers, so adding an extra rinse aids in rinsing the film away. If the water supply is hard, it may be necessary to add a performance booster that addresses the hard water condition.

Q: How do I remove white film on the tub?

A: Measure 3 tbsp. (40 g) of citric acid powder and use it to fill the main detergent compartment. Run a Machine Clean cycle. Do not use detergent.

Q: What steps can I take to improve drying results?

A: Drying performance is directly affected by the amount of heat that remains in the tub after the heated rinse is performed. If your dishwasher is far away from your home’s hot water heater, it may be necessary to run the hot water tap in the sink before starting a wash cycle, to ensure that cool water is purged from the hot water lines. This will ensure your dishwasher has a consistent supply of hot water from start to finish. Using the High Temp setting also aids in keeping the inner drum temperature and dishes hotter before drying begins.

LG dishwashers are designed to be used in conjunction with a rinse aid. Using a rinse aid will maximize the amount of water that has already been sheeted away from the dishes before the dry cycle begins. If a rinse aid is used and the performance still needs a boost, adjust the amount of rinse aid used. 2 is the default setting, but if necessary set the level to 3 so more rinse aid is used.

Water tends to bead rather than sheet off plastic and nonstick surfaces, making them more difficult to dry. If washing plastic items in a Normal cycle, select the Extra Dry or Night Dry option or both for better drying results. When the rinse aid is empty, the Extra Dry option is selected automatically.

Allow the dishwasher to completely finish the dry cycle before opening the door. If the door is opened in the middle of the dry cycle, the heat that is necessary for the hybrid dry system to work will escape. This will cause all of the dishes inside to remain wet once the cycle finishes.

Q: What is the hybrid drying system?

A: The dishwasher does not rely on a heating element for the drying process; instead, it relies on the heat that is retained by the dishes and the tub during the wash and rinse cycles to turn the moisture in the tub into humidity. Warm, moist air in the dishwasher is then pulled into a condensing duct in the door by a fan. The air then cools, which causes the humidity to condense. Room temperature air is also drawn into the duct to help the air cool down faster. When this moisture condenses into a liquid, it is drained out.

NOTE

• Rinse aid is required to enhance the drying performance. If no rinse aid is used, water may remain on the dishes and the tub.

Q: Why am I hearing a whistling sound from the dishwasher?

A: It is important to determine the duration of the noise and when it happens (what part of the cycle). When water is drawn into the dishwasher, a whistling noise can be heard. This is normal. If the water pressure is too high, it will be louder, so it may be necessary to adjust the water valve to lower the pressure if the noise is too loud.

Q: What kinds of dishes can be placed in the dishwasher?

A: Ensure that the dishes you place in the dishwasher are dishwasher safe. Plastic dishware will not dry as effectively as glass and metal dishware. Plastic items do not retain heat as well as glass and metal dishware. Plastic cups and dishes may require some hand drying before being put away at the end of the cycle.

Q: Can I perform a drain only cycle?

A: To drain standing water, press and hold Start for three seconds until the cycle stops. Once the dishwasher finishes draining, the power turns off.

Q: Why does my dishwasher continuously chime if I open the door during a cycle or right after the cycle has finished?

A: This is normal. The dishwasher is letting you know that the interior temperatures of the unit are hot and to use caution when placing your hands inside. Once the unit has cooled down, the chiming will stop.

Q: What is Control Lock and how is it activated?

A: Control Lock is a feature that prevents the controls from being changed during the cycle. It does not prevent the door from being opened or the unit from being powered off. To activate or deactivate, press and hold Half Load and Energy Saver simultaneously for three seconds.

Q: Can I add an extension to the drain hose?

A: If an extension drain hose is required, use 5 /8" or 7 /8" inside diameter, 2-3 ft. length hose and a coupler for connecting the two hose ends.

Q: An LED is blinking, the machine is chiming, and the dishwasher won't start. What is wrong with the dishwasher?

A: This is a safety feature. The door must be closed within four seconds of pressing the Start button. If the door is not closed within four seconds, an LED flashes, an audible alert sounds, and the dishwasher does not operate. To start the dishwasher, open the door and either close the door and press Start (front controls) or press Start and close the door within four seconds (top controls).

Q: Before loading dishes, should I pre-rinse dishes?

A: No, you don't need to pre-rinse the dishes before loading especially if using the Normal and Auto cycles. The dishwasher washes dishes clean without pre-rinsing.

User Support Videos

User Support Videos For further assistance, there are videos and tutorials available through the LG website. On the lg us home page, click on the Support menu tab to bring up the menu selections. Select Video Tutorials. Select a product category and then pick a topic or search a keyword.

Scan this QR code to quickly access the video search page on the LG website.

Before Calling for Service

The appliance is equipped with an automatic error-monitoring system to detect and diagnose problems at an early stage. If the appliance does not function properly or does not function at all, check the following before you call for service.

Error Codes

Problem	Possible Cause	Solutions
	Water inlet problem.	• Check for a clogged, kinked or frozen water inlet hose. • Check water supply
	Drainage Problem.	• Check for a clogged, kinked or frozen water drain hose.
	Air gap or disposal is clogged.	• Clean air gap or disposal.
	Filters are clogged.	• Clean Filters.
	Oversudsing caused by improper detergent, such as liquid dish soap. Failure to level dishwasher.	• Do not use hand dishwashing liquids. Only use detergents which are designed for use in automatic dishwashers. • To remove detergent residue in the tub, pour approximately 4-8 oz(100~200 mℓ) of milk into a shallow bowl, place it in the upper rack and then run the appliance on the Auto cycle. • Make sure that the appliance is properly leveled.
	Water leakage	• Turn off the water supply to the dishwasher and call an LG Electronics Customer Information Center at 1-800- 243-0000 (U.S.A.) or 1-888-542-2623 (Canada). • The dishwasher makes an alert sound for 10 seconds, and runs the drain pump intermittently. If power is turned off to the machine, the machine powers back on automatically until the AE error is resolved.
	Excessive Water supplied	• Please call an LG Electronics Customer Information Center at 1-800-243-0000 (U.S.A.) 1-888-542-2623 (Canada).
	Heater circuit failure.
	Thermistor failure.
	Motor trouble
	Vario motor trouble