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InSinkErator
Dishwasher

Model # WS400 Official InSinkErator dishwasher

Here are the diagrams and repair parts for Official InSinkErator WS400 dishwasher, as well as links to manuals and error code tables, if available.

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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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Showing 10 of 224 parts  |
Switch-program (ws400) 1, 2 And 3 51625
#8A

Control panel unit diagram

Switch-program (ws400) 1, 2 and 3

Part #51625

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

Door Seal Assembly (incl. Code 25) 51165
#23

Frame and misc. items diagram

Door seal assembly (incl. code 25)

Part #51165

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

Side Trim-lower Panel (fits R.h. Or L.h. Trim) (ar) 51572
#7

Front panel unit diagram

Side trim-lower panel (fits r.h. or l.h. trim) (ar)

Part #51572

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

Screw-self-tapping (2) 10-16 X 3/8 Phil. Truss Hd. Type Ab (2) 51252
#15

Frame and misc. items diagram

Screw-self-tapping (2) 10-16 x 3/8 phil. truss hd. type ab (2)

Part #51252

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

Retainer-conduit (2) 51120
#5

Upper wash/rinse unit diagram

Retainer-conduit (2)

Part #51120

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

Screw-self Tapping-type Ab 10-16 X 1/2 Phil. Truss Hd. (qty 2) 51232
Screw-self tapping-type ab 10-16 x 1/2 phil. truss hd. (qty 2)

Part #51232

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

Tube (mainfold To Receiver) 51129
#8

Upper wash/rinse unit diagram

Tube (mainfold to receiver)

Part #51129

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

Upper Rack Assembly (ws400, 1 And 2-ws 850, 1 And 2) (inls. Codes 1, 3 Thru 5 And 7, Also On Page 10 Upper Wash/rinse Unit) 51671
#2

Upper rack and track unit diagram

Upper rack assembly (ws400, 1 and 2-ws 850, 1 and 2) (inls. codes 1, 3 thru 5 and 7, also on page 10 upper wash/rinse unit)

Part #51671

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

Conduit-vertical 51119
#4

Upper wash/rinse unit diagram

Conduit-vertical

Part #51119

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

Color Panel Inserts (almond, Harvest Wheat) 51532
#12E

Front panel unit diagram

Color panel inserts (almond, harvest wheat)

Part #51532

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 …

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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…

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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…

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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

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

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