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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:

  • Click a diagram to see the parts shown on that diagram.
  • 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  |
Lower Oven Bottom 40752
#28

Cabinet section diagram

Lower oven bottom

Part #40752

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

Screw, Slo/cook Switch 41778

#NI

All parts diagram

Screw, slo/cook switch

Part #41778

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

Door Glass 42771
#4

Panel door assembly diagram

Door glass

Part #42771

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

Switch Plate 40783
#20

Cabinet section diagram

Switch plate

Part #40783

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

Inner Baffle 40809
#5

Panel door assembly diagram

Inner baffle

Part #40809

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

Fan Motor 42226
#14

Control compartment section diagram

Fan motor

Part #42226

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

Meat Thermometer 42065
#7

Control panel section diagram

Meat thermometer

Part #42065

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

Capillary Shield 40753
#57

Cabinet section diagram

Capillary shield

Part #40753

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

Wire Harness 43593

#NI

All parts diagram

Wire harness

Part #43593

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

Upper Oven Top 40744
#10A

Cabinet section diagram

Upper oven top

Part #40744

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 broil?

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

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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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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 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 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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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 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
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 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

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

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