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LDT7797BM

Key Features

  • QuadWash™ System
  • SmartThinQ® Technology
  • LoDecibel™ Operation (44 dB)
  • LED Tub Light
  • Height Adjustable 3rd Rack
  • Glide Rail (Upper)
Suggested Price

$1149.99

Suggested Price
Promotion Price*

$998.99

Promotion Price*
HA_Matte Obsession_Desktop

Matte Obsession

LG’s exclusive MATTE Black Stainless Steel combines the timelessness of stainless steel with a luxe & low-gloss, matte finish that complements any kitchen décor. It blends well with other matte finishes or provides a dramatic contrast to gloss surfaces, delivering impressive functionality and understated elegance.

HA_BM_PrintProof_Desktop

The Look You Love
Without the Fuss.

Now you can have all of the things you love about stainless, without the need for special cleaners or constant attention. LG’s PrintProof™ fingerprint and smudge resistant finish easily wipes clean with a soft, dry cloth for a distinctive kitchen that handles real-life in style.

Four Reasons to Buy an LG Dishwasher

Four Reasons to Buy an LG Dishwasher

                                                                                                                               

QuadWash_feature_1000

Put Enhanced Cleaning in Motion

Achieve maximum cleaning throughout the entire cycle with LG QuadWash™. With four spray arms instead of two, QuadWash™ also includes Multi-Motion arms that rotate back and forth while spinning. The high pressure jets power-clean dishes from multiple angles.

ThinQ_Dish_PDP-Recovered-Recovered

Think you have to check on the dishes? Think Again

LG smart dishwashers come with SmartThinQ® technology built-in, so you can get smartphone notifications when a cycle is complete. That means less waiting and more time to yourself. You can even check on the cycle status with voice commands using the Google Assistant and Amazon Alexa, so you don’t have to lift a finger.

Dish_PDP

Count On It

When you buy a dishwasher, you want something reliable that you can count on. Because the Direct Drive Motor uses fewer moving parts and operates more efficiently, LG confidently backs the motor with a 10-year warranty.

Global_XD3-QuadWash_2017_Feature_07__EsayRack_D2_v1

Easy Loading & Maximum Flexibility

The newly-enhanced EasyRack™ Plus system provides outstanding flexibility and convenience, adjusting to just about any load of dishes to help ensure optimal cleaning performance. Easy to adjust on-the-fly, this racking system can shift to handle any challenge your dishes can serve up.

  • Height Adjustable 3rd Rack

    Global_XD3 QuadWash_2017_Feature_08_HeightAdjustable3rdRack

    The height adjustable 3rd rack gives you more space for hard-to-fit items.

  • Smooth Operator

    Global_XD3 QuadWash_2017_Feature_08_SmoothOperator

    Even your hardest dish loads glide in and out smoothly with the help of LG’s Glide Rail.

LDT7797BM_PDP_d

Quiet Operation

LG's technological advances, like the Inverter DirectDrive motor and the advanced self-cleaning filtration system, were designed with quiet in mind. At 44dB, this dishwasher is among the quietest dishwashers in its class.

SUMMARY
CAPACITY
RACKS AND BASKETS
STYLE AND DESIGN
FEATURES
SmartThinQ® SMART FEATURES
POWER RATINGS
DIMENSIONS / CLEARANCES / WEIGHT
LIMITED WARRANTY
UPC CODES

What People Are Saying

Rated 5 out of 5 by from Awesome addition to the kitchen Great dishwasher easy to install, runs amazing, enjoy the downloadable cycles. Only thing I would change is the 10 year warranty sticker takes away from the sleekness of the look of the dishwasher.
Date published: 2018-09-20
Rated 3 out of 5 by from Everything as expected However we do have difficulty in removing air filter
Date published: 2018-09-12
Rated 2 out of 5 by from LOUD LOUD LOUD!! There is absolutely no way this is 44 dba! Our old dishwasher was and 48 and was soooooo much quieter! I don't know how other reviewers claim to not even know it's on. I feel like a have a car wash in my kitchen. I am so incredibly disappointed with this purchase. I have to turn up the volume on my TV to hear over the noise this dish washer makes. If you are looking to purchase this bc of the noise rating, two words of solid advice: keep looking!!
Date published: 2018-09-11
Rated 5 out of 5 by from Very quiet. Bought 2 months agouti is very quiet and does a great job. We love the LED lights. The top shelf is handy too.
Date published: 2018-09-05
Rated 2 out of 5 by from Leaves dishes wet I don't know if I'm not using the settings right but this unit leaves the dishes wet.
Date published: 2018-09-05
Rated 4 out of 5 by from Great cleaning but my water bottles won’t fit and. Love the great cleaning. Love the quiet. It only dries the same as my Kitchenaid it replaced leaving some items wet. I would have given it five stars except there is no place to stand up my variety of water bottles. I asked LG if they sold an extra insert with more tines but they don’t. I was most surprised by the large interior space. The lowest shelf holds taller platters than my old dishwasher. The middle shelf is the same AND there’s this whole extra third shelf I’m surprized I love. It also has a light that is a wonderful perc.
Date published: 2018-09-03
Rated 5 out of 5 by from whisper quiet, beautiful, led lighting Bought all new LG Black stainless appliances, Love them all!
Date published: 2018-09-03
Rated 5 out of 5 by from shussh All quiet. All clean. All right! Great value with superior features.
Date published: 2018-09-01
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ASK & ANSWER

Ask your questions. Share your answers.
Please first review the detailed product information and help guides in the Product Support section for this product prior to posting a question.

Does this dishwasher have a "sani-rinse" option?

Asked by: njmmwm
Hello, this unit does not have a Sanitary Rinse like our LDF8874ST, LDF8764ST, LSDF9962ST, etc. ^AC
Answered by: Amber C
Date published: 2018-06-06

Can I use soap tablets?

Asked by: Ltdedt
The LG Black Stainless Steel Series Top Control Dishwasher with QuadWash™ and EasyRack™ Plus, Model # LDT7797BD is designed with a main wash compartment that ypu need to add liquid dishwasher detergent to so it can be dispensed at the correct time during a wash cycle. Incorrect detergent may cause the dishwasher to fill with suds during operation. Excess suds may reduce wash performance and may cause the dishwasher to leak. If using detergent tablets, do not use liquid rinse aid since they already include rinse aid. For further instructions on their use with the dishwasher, please refer to the instructions on the packaging or contact the manufacturer...^IFV
Answered by: LGJoel
Date published: 2018-03-12

Does this model have the ability heat the water beyond the temperature that the main house water heater is set at? My dishes are never very hot or clean at the end of a cycle even when using high temp. I'm wondering if I just have a defective unit.

Asked by: Dina720
We would love to look into the issue you are experiencing deeper. Please take a moment, at your convenience, to contact us directly via Twitter @LGUSSupport or Facebook www.Facebook.com/LGSupportUSA ^CP
Answered by: ChrisPSM
Date published: 2018-02-24

I am shopping for a new dishwasher. Is LG’s “Delicate” cycle safe for china and crystal or do I look for a specific model that says China/Crystal?

Asked by: EMH52
Hello, the delicate cycle in our unit should be used to clean delicate items such as fine china and stemware.
Answered by: Amber C
Date published: 2018-02-15

Is there a way to make it dry better? When the cycle is complete, the dishes are very wet. 

Asked by: smeyerholtz
Hello, please see the following link to assist in drying. ^AC http://www.lg.com/us/support/product-help/CT10000009-20150265878473-detergent-rinse-aid
Answered by: Amber C
Date published: 2018-02-05

1)Does the stainless steel exterior hide finger prints? 2) what is the Electrical current

Asked by: Double TT
The Stainless Steel on this LG Top Control Dishwasher with QuadWash™ and EasyRack™ Plus, Model # LDT7797ST is not fingerprint or smudge resistant. Not sure if when asking about the "Electrical current" for this unit you are asking about its Electrical requirements or the current which is measured in amperes? The Electrical Requirements are 120 V, 60 Hz AC only and a minimum 15 Ampere circuit breaker...^IFV
Answered by: LGJoel
Date published: 2018-01-31

We like the tub light feature, but it only stays on a short time after opening the door. Is there a way to manually turn the light on and off?

Asked by: Envarch
There is no manual on switch. ^AC
Answered by: amber
Date published: 2017-12-19

What is error code AE

Asked by: Tomterrific54
Great question, Tom. Head to the following link to troubleshoot this issue so that the error code doesn't continue - http://www.lg.com/us/support/product-help/CT10000009-20150140938312-other-error-codes ^RW
Answered by: RobLG
Date published: 2017-11-27
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