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Maytag
Dishwasher

Model # DWC7400AAW Official Maytag dishwasher

Here are the diagrams and repair parts for Official Maytag DWC7400AAW 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 138 parts  |
Conversion Kit 903860
#34

Cabinet & faucet coupler assy. diagram

Conversion kit

Part #903860

$153.04
In Stock
Barrier Hose 912880
#5

Cabinet & faucet coupler assy. diagram

Barrier hose

Part #912880

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

Dishwasher Blower Motor 902900
#7

Blower diagram

Dishwasher blower motor

Part #902900

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

Water Valve 903406
Water valve

Part #903406

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

Upper Discha 912321
#11

Pump & motor diagram

Upper discha

Part #912321

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

Dishwasher Spray Arm Manifold 912647
#11

Tub diagram

Dishwasher spray arm manifold

Part #912647

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

Twin Wheel Caster 903297
#12

Cabinet & faucet coupler assy. diagram

Twin wheel caster

Part #903297

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

Lock Ring 912686
#13

Tub diagram

Lock ring

Part #912686

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

Silverware Handle 912708
#7

Racks diagram

Silverware handle

Part #912708

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

Insulation 912836
#17

Door diagram

Insulation

Part #912836

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

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Most common symptoms to help you fix your dishwashers

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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 drain?

Main causes: clogged kitchen sink drain, clogged drain hose, drain check valve damaged, drain pump failure, control syst…

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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 can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

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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 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 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 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 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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Most common repair guides to help fix your dishwashers

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How to replace a dishwasher high-limit thermostat

Follow these steps to replace the high-limit thermostat in your dishwasher if prevents the heating element from heating.…

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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
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How to replace a dishwasher thermal fuse

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Effective articles & videos to help repair your dishwashers

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