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InSinkErator
Dishwasher

Model # WS400-1 Official InSinkErator dishwasher

Here are the diagrams and repair parts for Official InSinkErator WS400-1 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.

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 224 parts  |
Support-blower 51530
#6

Circa-dry unit diagram

Support-blower

Part #51530

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

Self-tapping Screw (3) 51246
#2

Door and latch unit diagram

Self-tapping screw (3)

Part #51246

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

Timer Assembly (sw850-3) 51663
#3E

Control panel unit diagram

Timer assembly (sw850-3)

Part #51663

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

Control Panel (sw400 And 1) 51590
#19

Control panel unit diagram

Control panel (sw400 and 1)

Part #51590

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

Bumper-door 51167
#25

Frame and misc. items diagram

Bumper-door

Part #51167

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

Lock Nut 3/16 Palnut 51265
#2

Frame and misc. items diagram

Lock nut 3/16 palnut

Part #51265

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

Keeper Latch 51171
#22

Frame and misc. items diagram

Keeper latch

Part #51171

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

Tube-air Inlet 51048
#4

Circa-dry unit diagram

Tube-air inlet

Part #51048

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

Start Relay 51611
#29

Wash and disposer/drain pump unit diagram

Start relay

Part #51611

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

Bracket-top Panel Anchor (2) 51565
#1

Frame and misc. items diagram

Bracket-top panel anchor (2)

Part #51565

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 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 …

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher detergent dispenser

How to replace a dishwasher detergent dispenser

Dishes need dish detergent to get clean. Learn how to replace a dishwasher detergent dispenser with easy step-by-step i…

Read more
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…

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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

Top questions about Sears and Sears PartsDirect

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

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