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Modern Maid
Electric Wall Oven

Model # DDO-790 Official Modern Maid self-cleaning wall oven

Here are the diagrams and repair parts for Official Modern Maid DDO-790 self-cleaning wall oven, 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:

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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 164 parts  |
Door Top Trim 42542
#4

Black glass oven door diagram

Door top trim

Part #42542

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

Oven Light Cover Bracket 41987
#40

Cabinet section diagram

Oven light cover bracket

Part #41987

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

Switch Bushing 42012
#9

Control panel section diagram

Switch bushing

Part #42012

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

Door Panel, Harvest 40221D
#3C

Panel door assembly diagram

Door panel, harvest

Part #40221D

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

Conduit Assembly 43740

#NI

All parts diagram

Conduit assembly

Part #43740

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

Kep Nut 10-24 41844
Kep nut 10-24

Part #41844

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

Chip Cover 40405

#NI

All parts diagram

Chip cover

Part #40405

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

Door Frame 40408
#2

Black glass oven door diagram

Door frame

Part #40408

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

Hex Nut 41853
#26

Cabinet section diagram

Hex nut

Part #41853

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

Latch Arm 40538
#8

Door latch diagram

Latch arm

Part #40538

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

Most common symptoms to help you fix your wall oven

Choose a symptom to see related wall oven repairs.

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Why won't my wall oven door unlock?

Main causes: bad oven door lock assembly, faulty electronic control board, wiring failure…

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Why won't my wall oven heat?

Main causes: lack of gas supply, broken igniter, tripped circuit breaker, broken oven element, tripped thermal fuse, con…

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Why won't my wall oven broil?

Main causes: broken broil element, faulty broil burner igniter, control system failure…

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Why doesn't my wall oven work?

Main causes: lack of electrical power, bad electronic control board, faulty oven control thermostat…

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Why isn't my wall oven at the temperature I set?

Main causes: faulty oven temperature sensor, control system problem, weak burner igniter, damaged oven element…

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Why won't my wall oven bake?

Main causes: broken bake element, bad bake burner igniter, tripped thermal switch, control system failure…

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Most common repair guides to help fix your wall oven

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

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How to replace a wall oven thermal fuse

How to replace a wall oven thermal fuse

The thermal fuse trips to prevent the over from excessively overheating. The oven won't heat again until you replace the…

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Repair difficulty
Time required
 60 minutes or less
How to replace a wall oven control thermostat

How to replace a wall oven control thermostat

Get your oven temperature under your control by replacing a faulty oven control thermostat.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a wall oven door outer glass panel

How to replace a wall oven door outer glass panel

Learn how to replace a damaged outer window panel on your wall oven door with these step-by-step instructions. …

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Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your wall oven

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

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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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