Modern Maid
Dishwasher

Model #ZDW-855A Official Modern Maid dishwasher

Here are the diagrams and repair parts for Modern Maid ZDW-855A dishwasher, as well as links to manuals and error code tables, if available.

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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.

Showing 10 of 265 parts

"O" RING

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"o" ring

Part #W8-05-370

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

ATTACH CLIP

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Attach clip

Part #W8-08-289

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

TERMINAL TIMER#26

(zdw-880) Diagram

Terminal timer

Part #W8-08-334

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

Water Inlet Assembly

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Water inlet assembly

Part #W8-06-470

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

BLOCK ASSEMBLY - TERMINAL#12

(zdw-880) Diagram

Block assembly - terminal

Part #W8-08-166

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

RACK - LOWER

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Rack - lower

Part #W8-08-238

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

HOSE - RECIRCULATING

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Hose - recirculating

Part #W8-05-674

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

SCREW #10 - 24 X 5/8" LG. ACORN HEX HD. CHR. PL.

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Screw #10 - 24 x 5/8" lg. acorn hex hd. chr. pl.

Part #W8-07-036

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

SCREW #8 X 5/16" LG.C.R. TRUSS HD. ST. ST.

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Screw #8 x 5/16" lg.c.r. truss hd. st. st.

Part #W8-06-894

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

Pump Housing

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Pump housing

Part #W8-07-711

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

Symptoms common to all dishwashers

Choose a symptom to see related dishwasher repairs.

Main causes: broken door latch, tripped circuit breaker, broken heating element, faulty vent fan, sensor failure, control system problem
Main cause: damaged rack height adjuster
Main causes: damaged or stuck spray arm, leaking door seal, damaged door hinge, leaky heating element water seal, cracked water supply line
Main causes: clogged kitchen sink drain, clogged drain hose, drain check valve damaged, drain pump failure, control system problem
Main causes: water supply problem, stuck overfill float, clogged water inlet valve screen, water inlet valve failure
Main causes: glass or popcorn kernel stuck in the chopper blade, drain line vibrating against the cabinet, debris in wash pump or drain pump
Main causes: broken door spring, damaged or broken door hinge
Main causes: not using rinse aid, rinse aid dispenser failure, broken heating element, malfunctioning vent, drying fan failure
Main causes: light switch beside the sink turned off, lack of power, bad dishwasher door switch, control system failure, wiring problem

Repair guides common to all dishwashers

These step-by-step repair guides will help you safely fix what’s broken on your dishwasher.

October 1, 2016
By Lyle Weischwill
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 it yourself.

Repair difficulty
Time required
 30 minutes or less
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 settings. Follow these instructions to replace it yourself.

Repair difficulty
Time required
 30 minutes or less
April 1, 2014
By Lyle Weischwill
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 these steps to replace a blown thermal fuse in your dishwasher.

Repair difficulty
Time required
 15 minutes or less

Articles and videos common to all dishwashers

Use the advice and tips in these articles and videos to get the most out of your dishwasher.

November 13, 2022

7 Tips to Get Your Dishwasher Ready for the Holidays

By Lyle Weischwill

Find professional tips that can help you get your dishwasher ready for the holidays.

December 23, 2021

How to reset a Whirlpool dishwasher

By Lyle Weischwill

Learn how to reset a Whirlpool dishwasher when its control freezes up.

August 17, 2021

How to read a wiring schematic video

By Lyle Weischwill

Learn how to decipher symbols so you can buy the right part for your problem.