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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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  • In the search box below, enter all or part of the part number or the part’s name.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 191 parts  |
Ps Retainer R0901503
#25

Water distribution components diagram

Ps retainer

Part #R0901503

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

Switch Leaf R0905533
#10

Control panel diagram

Switch leaf

Part #R0905533

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

Terminal Pin & Socket R0906007
Terminal pin & socket

Part #R0906007

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

Screw 10-12x 1/2 R0900007
Screw 10-12x 1/2

Part #R0900007

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

Valve Chech Assembly R0910053
#28

Tub assembly diagram

Valve chech assembly

Part #R0910053

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

Sump Inlet R0905719
#43

Water distribution components diagram

Sump inlet

Part #R0905719

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

Bearing R0905556
#8

Water distribution components diagram

Bearing

Part #R0905556

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

Operating Instruction R0913064
Operating instruction

Part #R0913064

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 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…

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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 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…

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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…

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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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