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LG
Dishwasher

Model # LDF7774WW Official LG dishwasher

Here are the diagrams and repair parts for Official LG LDF7774WW dishwasher, as well as links to manuals and error code tables, if available.

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Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 129 parts  |
Dishwasher Door Cable (replaces 4933dd3001a) 4933DD3001B
#F013

Tub assembly parts diagram

Dishwasher door cable (replaces 4933dd3001a)

Part #4933DD3001B

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Dishwasher Diverter Motor (replaces 4681ed3001b) 4681ED3001D
#M026

Sump assembly parts diagram

Dishwasher diverter motor (replaces 4681ed3001b)

Part #4681ED3001D

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Dishwasher Dishrack, Lower 3751DD1001C
#A140

Rack assembly parts diagram

Dishwasher dishrack, lower

Part #3751DD1001C

Replaced by #3751DD1001J

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Manufacturer substitution
This part replaces 3751DD1001C. Substitute parts can look different from the original.
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Dishwasher Door Spring (replaces 4970ed4004a) 4970ED4004G
#F011

Tub assembly parts diagram

Dishwasher door spring (replaces 4970ed4004a)

Part #4970ED4004G

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Dishwasher Flood Switch (replaces 6601er2001c) 6601ER2001A
#M090

Base assembly parts diagram

Dishwasher flood switch (replaces 6601er2001c)

Part #6601ER2001A

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Dishwasher Dishrack Assembly, Upper AHB32983760
#A150

Rack assembly parts diagram

Dishwasher dishrack assembly, upper

Part #AHB32983760

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Dishwasher Drain Pump ABQ73503002
#M050

Cabinet parts diagram

Dishwasher drain pump

Part #ABQ73503002

Replaced by #ABQ73503004

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Manufacturer substitution
This part replaces ABQ73503002. Substitute parts can look different from the original.
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Dishwasher Drain Hose AEM69493805
#A130

Cabinet parts diagram

Dishwasher drain hose

Part #AEM69493805

Replaced by #AEM69493808

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Manufacturer substitution
This part replaces AEM69493805. Substitute parts can look different from the original.
$68.62 | 
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Dishwasher Heating Element And Temperature Sensor AEG72950001
#M081

Sump assembly parts diagram

Dishwasher heating element and temperature sensor

Part #AEG72950001

$72.56 | 
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Dishwasher Middle Spray Arm Manifold AEC73278201
#A070

Rack assembly parts diagram

Dishwasher middle spray arm manifold

Part #AEC73278201

$33.07 | 
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Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

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Why does my dishwasher door drop open too fast?

Main causes: broken door spring, damaged or broken door hinge…

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Why is my dishwasher leaking?

Main causes: damaged or stuck spray arm, leaking door seal, damaged door hinge, leaky heating element water seal, cracke…

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Why does my dishwasher stop mid-cycle?

Main causes: broken door latch, tripped circuit breaker, broken heating element, faulty vent fan, sensor failure, contro…

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Why isn't my dishwasher getting dishes clean?

Main causes: improper loading, low water temperature, improper detergent dosage, detergent dispenser failure, spray arm …

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Why won't my dishwasher drain?

Main causes: clogged kitchen sink drain, clogged drain hose, drain check valve damaged, drain pump failure, control syst…

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Why can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

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Why is my dishwasher noisy?

Main causes: glass or popcorn kernel stuck in the chopper blade, drain line vibrating against the cabinet, debris in was…

Read more

Why don't my dishes get dry?

Main causes: not using rinse aid, rinse aid dispenser failure, broken heating element, malfunctioning vent, drying fan f…

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Why won't my dishwasher start?

Main causes: light switch beside the sink turned off, lack of power, bad dishwasher door switch, control system failure,…

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Most common repair guides to help fix your dishwashers

These step-by-step repair guides will help you safely fix what’s broken on your dishwasher.

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How to replace a dishwasher door latch assembly

How to replace a dishwasher door latch assembly

If the dishwasher door doesn't click shut, a broken door latch is a likely cause. Follow these instructions to replace i…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher user interface control

How to replace a dishwasher user interface control

The user interface control houses the selection buttons and display. If it fails, you can't select the cycle and setting…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher thermal fuse

How to replace a dishwasher thermal fuse

A completely dead control panel often indicates that the thermal fuse on the electronic control board is blown; follow t…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your dishwashers

Use the advice and tips in these articles and videos to get the most out of your dishwasher.

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How to use your dishwasher efficiently

How to use your dishwasher efficiently

Get expert tips on using your dishwasher efficiently to save water and energy.…

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How to clean and maintain your dishwasher

How to clean and maintain your dishwasher

Get tips for cleaning and maintaining your dishwasher…

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Dishwasher has power but won't run? Could be demo mode

Dishwasher has power but won't run? Could be demo mode

This list shows how to disable the demo mode on a variety of dishwashers.…

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