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LG
Dishwasher

Model # LDF7774ST Official LG dishwasher

Here are the diagrams and repair parts for Official LG LDF7774ST 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 109 parts  |
Dishwasher Water Inlet Valve (replaces 5221dd1001c) 5221DD1001E
#M210

Base assembly parts diagram

Dishwasher water inlet valve (replaces 5221dd1001c)

Part #5221DD1001E

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Dishwasher Door Cable (replaces 4933dd3001a) 4933DD3001B
#F013

Tub assembly parts diagram

Dishwasher door cable (replaces 4933dd3001a)

Part #4933DD3001B

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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 Spray Arm, Middle (replaces Agb73093101) AGB73093001
#A060

Rack assembly parts diagram

Dishwasher spray arm, middle (replaces agb73093101)

Part #AGB73093001

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Dishwasher Diverter Motor Seal 3920ED4009B
#M031

Sump assembly parts diagram

Dishwasher diverter motor seal

Part #3920ED4009B

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This item is not returnable
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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 Door Vent Blower Motor Assembly (replaces Abt35083802) ABT35083801
#K110

Panel and door assembly parts diagram

Dishwasher door vent blower motor assembly (replaces abt35083802)

Part #ABT35083801

$90.75 | 
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Dishwasher Dishrack Assembly, Upper AHB32983760
#A150

Rack assembly parts diagram

Dishwasher dishrack assembly, upper

Part #AHB32983760

$200.14 | 
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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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Dishwasher Noise Filter 6201EC1006L
#A160

Base assembly parts diagram

Dishwasher noise filter

Part #6201EC1006L

$88.46 | 
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Most common symptoms to help you fix your dishwashers

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Why won't my dishwasher fill?

Main causes: water supply problem, stuck overfill float, clogged water inlet valve screen, water inlet valve failure…

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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 does my dishwasher door drop open too fast?

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

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Why can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

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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 start?

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

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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 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 is my dishwasher noisy?

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

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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 high-limit thermostat

How to replace a dishwasher high-limit thermostat

Follow these steps to replace the high-limit thermostat in your dishwasher if prevents the heating element from heating.…

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Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher door outer panel

How to replace a dishwasher door outer panel

If your dishwasher door is dented or you want it to match your cabinets or other appliances, this guide shows how to rep…

Read more
Repair difficulty
Time required
 15 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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