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Modern Maid
Dishwasher

Model # MDU500CB/P1188302W Official Modern Maid dishwasher

Here are the diagrams and repair parts for Official Modern Maid MDU500CB-P1188302W dishwasher, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 191 parts  |
Timer Knob R0903597
#2B

Control panel diagram

Timer knob

Part #R0903597

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

Valve Body & Screen R0910054
#31

Tub assembly diagram

Valve body & screen

Part #R0910054

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

Screw 8-18 X 5/16 R0900053
#1C

Door and door trim diagram

Screw 8-18 x 5/16

Part #R0900053

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

Pinion Gear R0910016
#10

Water distribution components diagram

Pinion gear

Part #R0910016

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

Inlet Hose R0903514
#1

Tub assembly diagram

Inlet hose

Part #R0903514

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

Lens R0910061
#15

Control panel diagram

Lens

Part #R0910061

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

Push Button Switch Retainer R0902528
#5A

Control panel diagram

Push button switch retainer

Part #R0902528

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

Washer R0900507

#NI

All parts diagram

Washer

Part #R0900507

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

Trim Door Side Wide Wh R0905763
#16B

Door and door trim diagram

Trim door side wide wh

Part #R0905763

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

Screw R0900020
#6

Door and door trim diagram

Screw

Part #R0900020

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 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 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 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 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 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 leaking?

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

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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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5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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