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Modern Maid
Dishwasher

Model # MDU300CW/P1188303W Official Modern Maid dishwasher

Here are the diagrams and repair parts for Official Modern Maid MDU300CW-P1188303W dishwasher, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 191 parts  |
Trim Side Door R0905636
#16A

Door and door trim diagram

Trim side door

Part #R0905636

The manufacturer no longer makes this part, and there's no substitute part

Adapter, Power Tower R0905558
#3

Water distribution components diagram

Adapter, power tower

Part #R0905558

The manufacturer no longer makes this part, and there's no substitute part

Valve Arm R0905619
#24

Water distribution components diagram

Valve arm

Part #R0905619

The manufacturer no longer makes this part, and there's no substitute part

Support Assembly R0905633
#35

Tub assembly diagram

Support assembly

Part #R0905633

The manufacturer no longer makes this part, and there's no substitute part

Latch Knob R0903595
#21A

Door and door trim diagram

Latch knob

Part #R0903595

The manufacturer no longer makes this part, and there's no substitute part

Switch Push Button R0902526
#6A

Control panel diagram

Switch push button

Part #R0902526

The manufacturer no longer makes this part, and there's no substitute part

Screw, 10 - 12 X 5/8 R0900013
#50

Tub assembly diagram

Screw, 10 - 12 x 5/8

Part #R0900013

The manufacturer no longer makes this part, and there's no substitute part

Trim Access Wide Bk R0905762
#2C

Door and door trim diagram

Trim access wide bk

Part #R0905762

The manufacturer no longer makes this part, and there's no substitute part

Screw 10-24 X 3/8 R0900012
#4

Tub assembly diagram

Screw 10-24 x 3/8

Part #R0900012

The manufacturer no longer makes this part, and there's no substitute part

Roller R0910005
#1

Upper/lower racks diagram

Roller

Part #R0910005

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

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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 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 can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

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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 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 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 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 door drop open too fast?

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

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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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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 water inlet valve

How to replace a dishwasher water inlet valve

If your dishwasher fills constantly or won't fill at all, the water inlet valve has failed. You can replace it in about …

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Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher timer

How to replace a dishwasher timer

Follow these steps to replace the timer in your dishwasher if it fails to advance or does not operate properly.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a dishwasher lower spray arm

How to replace a dishwasher lower spray arm

If the lower spray wash arm is damaged, you can install a new one in just a few minutes.…

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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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