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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  |
Kep Nut 41864

#NI

All parts diagram

Kep nut

Part #41864

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

Main Front 40150
#36

Cabinet section diagram

Main front

Part #40150

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

Oven Light Lens 42769
#39

Cabinet section diagram

Oven light lens

Part #42769

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

Upper Oven Bottom 40741
#52

Cabinet section diagram

Upper oven bottom

Part #40741

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

Slo/cook Switch 42048
#18

Control panel section diagram

Slo/cook switch

Part #42048

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

Door Glass Retainer 40992
#7

Panel door assembly diagram

Door glass retainer

Part #40992

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

Door Handle 42446
#1

Black glass oven door diagram

Door handle

Part #42446

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

Thermostat Mounting Bracket Rear 40908
#4

Oven accessories diagram

Thermostat mounting bracket rear

Part #40908

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

Lower Oven Air Channel 40755
#27

Cabinet section diagram

Lower oven air channel

Part #40755

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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Oven rack placement for the best results video

Oven rack placement for the best results video

Learn where to place the rack in your oven for optimal broiling, toasting, baking or roasting.…

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How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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