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Modern Maid
Electric Wall Oven

Model # DDO-750 Official Modern Maid self-cleaning wall oven

Here are the diagrams and repair parts for Official Modern Maid DDO-750 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 135 parts  |
Door Frame 40408
#2

Black glass door oven diagram

Door frame

Part #40408

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

Cabinet Side, Rt. 40337

#NI

All parts diagram

Cabinet side, rt.

Part #40337

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

Screw 41815
#20

Cabinet section diagram

Screw

Part #41815

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

Oven Light Cover Bracket 41987
#29

Cabinet section diagram

Oven light cover bracket

Part #41987

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

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

Insulation Retainer, Rt. Or Lt. 40742
#9

Cabinet section diagram

Insulation retainer, rt. or lt.

Part #40742

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

Lower Oven, Light Switch 42055
#2

Control panel section diagram

Lower oven, light switch

Part #42055

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

Hex Nut 41845
#9

Control compartment section diagram

Hex nut

Part #41845

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

Capillary Hole Cover 40925
#19

Cabinet section diagram

Capillary hole cover

Part #40925

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 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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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 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 doesn't my wall oven work?

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

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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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