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8 (Dual Zone, Half Load, Energy Saver, High Temp, Extra Dry, Delay Start, Control Lock, Night Dry)
Number of Spray Arms
3 (Top, Upper, Lower)
SenseClean™ Wash System
Detergent and Rinse-Aid Dispenser
End of Cycle Indicator
Yes (Beeper + END indication on display)
Hidden Water Heater
Safety Float Switch (Leaks)
Soil (Turbidity) Sensor
Tub Insulation (Damping Sheet, Sound Absorbing Material (felt), Base)
BPA-Free Nylon Coated Racks and Tines
3-Stage Filtration System
NFC Tag On
ENERGY STAR® Qualified
Energy Use (kWh/Year)
Water Factor (WF)
Product Dimensions (in) (W x H x D)
23 3/4" x 33 5/8" x 24 5/8"
Product Weight (lbs)
Depth with Door Closed with Handle (in)
Depth with Door Open (in)
Carton Dimensions (in) (W x H x D)
28" x 34 7/8" x 29 5/8"
Shipping Weight with Carton (lbs)
Control Board and Rack Parts
Direct Drive Motor
Stainless Steel Door Liner or Tub
What people are saying
Rated 1 out of
Bad smellAfter using this dishwasher only 2 times it developed a bad odor that hasn’t gone away.
Date published: 2022-05-21
Rated 5 out of
Great dishwasher!We have had this dishwasher for over a month and I love it. Dishes and cookware are sparkling clean and everything is dry! Sometimes just a few drops of water where you would expect them to be (plastic containers) but everything else is great!
Date published: 2022-05-20
Rated 5 out of
Pippy 64 from
DishwasherI love it.it is so quiet you don’t know it’s running.Does a wonderful job
Refer to the detailed Warranty information delivered in your product packaging.
If you need Repair Service, submit an online
Request a Repair or
Please have the Serial number of your product and proof of purchase ready.
Out-of-warranty service fees may apply for diagnosis, parts, and labor.
Ask your questions. Share your answers. Please review the detailed product information and help guides in the Product Support section for this product prior to posting a question.
After installation, Is the dishwasher suppose to be proud of the kitchen cabinetry front face or countertop? Or, if installed correctly is the dishwasher FLUSH with the cabinets face?
Asked by: Hines
Like all other dishwashers, the LG Front Control Dishwasher with QuadWash™, Model # LDFN4542S is designed for installation in standard base kitchen cabinets. Standard base kitchen cabinets have a depth of 24" and if you look at the W x H x D dimensions for the LDFN4542S in its specifications on its product detail page on our site, its depth is listed as 24 5/8", so if installed correctly, it will be flush with your base kitchen cabinet. That 5/8" is barely noticeable...^Ivan
Answered by: Ivanf
Date published: 2022-03-22
Where does this dishwasher rate with Consumer Reports?
Asked by: toogoodtobetrue
You will need to visit the Consumer Reports site to see if they have tested and rated the LG Front Control Dishwasher with QuadWash™ and 3rd Rack, Model # LDFN4542B...^Ivan
Answered by: Ivanf
Date published: 2022-03-07
I have trouble connecting the dishwasher to the ThinQ app. Does this dishwasher have WiFi? The app is telling me the hold the delay start for three seconds but I don't see any WiFi icon.
Asked by: mdwallace1
The ENERGY STAR® Qualified LG Front Control Dishwasher with QuadWash™ and EasyRack™ Plus, Model # LDF5545SS does not have Wi-Fi connectivity. This model supports NFC Tag On. The Tag On function can only be used with most smartphones equipped with the NFC (Near Field Communication) function and based on the Android OS (operating system). You will first need to download and install the LG SmartThinQ application from the Google Play Store on your smartphone then follow instructions to download and install the application. Press ? in the LG SmartThinQ application for a more detailed guide on how to use the Tag On function...^Ivan
Answered by: Ivanf
Date published: 2022-02-14
Does this dishwasher have a self cleaning filter?
Asked by: MRK6
The LG Front Control Dishwasher with QuadWash™, Model # LDFN4542S does not have a self-cleaning filter. The assembled filters have to be cleaned manually with a soft brush under running
water to remove food residue caught in filters to prevent the build-up of odor-causing bacteria and
possible drainage problems then reassembled before reinstalling them. It is recommended that you clean the filters after each load. If food debris remains in the filter, it may cause an odor. In areas with hard water, the filters should be cleaned at least once a month with a soft brush. There is a Recommended Filter Cleaning Schedule in the owner's manual that advises when to clean the filters depending on your number of loads per week...^Ivan
Answered by: Ivanf
Date published: 2022-02-09
What does error code 42 mean. The dishwasher chimes and flashes 42 near the ending of the normal and Auto cycle. I think it may mean 42 minutes are left in the cycle?
Asked by: stevecory
The troubleshooting section on page 52 of your owner's manual for the LG Front Control Dishwasher with QuadWash™ and EasyRack™ Plus, Model # LDF5545WW has a list of error codes with possible causes and solutions that you can refer to. '42' is not an error code. 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...^Ivan
Answered by: Ivanf
Date published: 2022-01-10
How long is the wash cycle?
Asked by: GDawg1
Model LDFN4542B has wash times that range from 90-190 minutes depending on the chosen cycle. Please see the product support page at https://www.lg.com/us/support/product/lg-LDFN4542B.ABPESNA. Reference page 31 for information about each cycle and the options. ^Daphane
Answered by: LG Electronics
Date published: 2021-12-29
Is the bottom of this unit open so that I can access the hook up-front underneath?
Asked by: Sarah1234
Dishwasher LDFN4542S does not have an open bottom. There are 2 channels at the bottom of the unit to thread the waterline and electrical cable. ^Daphane
Answered by: LG Electronics
Date published: 2021-12-23
How much width do I need to install
Asked by: Chuck faller
The LG Front Control Dishwasher with QuadWash™, Model # LDFN4542S is considered as a standard dishwasher and typical built-in dishwashers are about 24" wide, 24 inches deep, and 35" tall to fit most cabinet openings in residential kitchens. The actual width for this dishwasher is 23 3/4". There is no recommended installation clearance since standard base kitchen cabinets come in varying widths of 12, 15, 18, 21, 24, 26.25, 27, 30, 33, 26, 39, and 42-inches. This dishwasher will fit into a base kitchen cabinet that has a width of 24". That 1/8" on either side is enough for installation...^Ivan
1Free shipping not available for parts and accessories. Free shipping to qualifying US destinations in the contiguous United States; not available for P.O. Boxes, addresses outside the contiguous 48 states, international addresses, Army Post Office (APO), Diplomatic Post Office (DPO) and Fleet Post Office (FPO).
*Percent in water spot reduction compared to comparable LG non-steam dishwasher on delicate wash cycle. Results may vary by model. Results based on test with LG LDF7774ST as of Feb. 2018.
Prices, promotions and availability may vary by model, store, and online. Prices subject to change without notice. Quantities are limited. Check with your local retailers for their final price and availability.
Simplify your life, streamline your kitchen and get spotless, sparkling dishes. LG's sleek, powerful dishwashers feature innovative technology and stylish designs -- for faster cleanup and a look you'll love.
Boasting top control and front control designs, LG dishwashers will blend seamlessly into your space. Of course, with a wide range of features they'll also do an incredible job of cleaning your delicate dishware, sturdy cookware and everything in between. Discover just a few of the options available:
Height-adjustable Third Rack: With more room to fit long flatware and small cups, you'll get more functional space -- and can do more dishes in a single load.
EasyRack™ System: When you choose a dishwasher with the EasyRack System, you can quickly adjust the upper rack to accommodate larger pots, pans, platters and serving dishes below, and make room for everything.
QuadWash™: Ultra-quiet, packed with innovative technology, and among the most energy-efficient in its class, the LG QuadWash™ dishwasher gives you maximum cleaning coverage, outstanding flexibility, and the ultimate in convenience. QuadWash technology uses four spray arms instead of just two, as well as Multi-Motion action and high-pressure jets to power-clean dishes and reach every nook and cranny.
Quiet operations: Designed to give you the cleaning power you need and the peace and quiet you want, many of our dishwashers are among the quietest in their class.
DirectDrive Motor: With fewer moving parts, no belts and energy- and water-saving features, your LG dishwasher will get your dishes sparkling clean and help reduce your energy and water consumption.
LG dishwashers boast available adjustable third racks and DirectDrive motors with fewer moving parts -- giving you the power to clean more dishes in a single load, and do it all quietly. And with their clean lines, stylish finishes and hidden panel controls, they'll give your kitchen a whole new look. Explore our complete collection, and our newest range of kitchen appliances -- and design a space that's beautiful and functional.
*5% will apply to the pre-tax purchase price of 3 eligible LG Kitchen, Laundry, Floor Care, Air Care and LG Styler® products before taxes. 10% will apply to the pre-tax purchase price of 4 or more eligible LG Kitchen, Laundry, Floor Care, Air Care and LG Styler® products before taxes. Bundle purchases that include an eligible LG Styler® as part of a bundle package will qualify to receive an additional rebate. Product must be purchased between March 3, 2022 and May 18, 2022. Online submissions made at LG Home Appliance Promotions must be received by 11:59 PM Pacific Time on June 2, 2022. Qualifying categories include: Refrigerator, Range, Wall Oven, Over-the-Range Microwave Oven (OTR), Countertop Microwave Oven, Cooktop, Hood Vent, Dishwasher, Washer, Dryer, LG SideKick,™ Floor Care, Air Care and LG Styler.® WashTower™ products (Washer + Dryer) will count as two (2) qualifying units towards a bundle. Select Countertop Microwave Ovens purchased together with a Trim Kit (sold separately) will count as one (1) qualifying unit towards a bundle. Maximum number of products of the same category allowed to qualify for rebate is one (1).
*Purchase a bundle of four (4) select LG Kitchen Appliance products including eligible LG Refrigerator, Range, Over-the-Range Microwave Oven and Dishwasher models and receive instant additional savings of 10% applied to the pre-tax purchase price of the eligible products plus up to an additional $982 savings. Products must be purchased in the same online order May 19 - June 21, 2022 on LG.com to receive the instant additional savings. Maximum number of products of the same category allowed to qualify for the package discount is one (1). Savings will be reflected in the cart when all offer requirements are met. If any of the qualifying items are removed from the cart or part of the order is cancelled or returned, the promotional savings will be void. Prices and offers are non-redeemable for cash, non-transferable, and may not be combined with other offers/discounts. Not stackable with other LG rebates via online submission at www.LG-Promos.com/ABS522. Availability, prices and terms of offer are subject to change without notice. Extra $387 savings eligible models: LRFWS2906S, LRFWS2906D, LDFN4542S, LDFN4542D, LMV1831ST, LMV1831BD, LREL6323S, LRGL5823S, LREL6323D, LRGL5823D Extra $432 savings eligible models:LFXS28968S, LFXS28968D, LREL6325F, LRGL5825F, LREL6325D, LRGL5825D, LMV2031ST LMV2031BD, LDTS5552S, LDTS5552D Extra $452 savings eligible models:LFXS26973S, LFXS26973D, LREL6325F, LRGL5825F, LREL6325D, LRGL5825D, LMV2031ST, LMV2031BD, LDTS5552S, LDTS5552D Extra $982 savings eligible models: LRFXC2416S, LRFXC2416D, LDP6810SS, LDP6810BD, LMV2031ST, LMV2031BD, LSEL6335F, LSGL6335F, LSEL6335D, LSGL6335D
*Purchase an eligible LG Instaview Refrigerator and eligible LG Freezer (LROFC0605V) in a single transaction on LG.com and receive $549.99 instant additional savings o