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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  |
Latch Arm 40538
#8

Door latch assembly diagram

Latch arm

Part #40538

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

Oven Light Lens 42769
#30

Cabinet section diagram

Oven light lens

Part #42769

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

Door Top Trim 42542
#4

Black glass door oven diagram

Door top trim

Part #42542

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

Control Panel Vent Trim 42572
Control panel vent trim

Part #42572

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

Inner Baffle 40843
#5

Black glass door oven diagram

Inner baffle

Part #40843

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

Control Compartment Side, Rt. 40746
#7

Cabinet section diagram

Control compartment side, rt.

Part #40746

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

Insulation Wrapper 4 X 20 X 85 41976
#12

Cabinet section diagram

Insulation wrapper 4 x 20 x 85

Part #41976

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

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

Main Front 40150
#21

Cabinet section diagram

Main front

Part #40150

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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