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Modern Maid
Electric Range

Model # DCO450 Official Modern Maid wall oven

Here are the diagrams and repair parts for Official Modern Maid DCO450 wall oven, as well as links to manuals and error code tables, if available.

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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 78 parts  |
Capillary Cover 75-040683-00-0
#37

(dco450) diagram

Capillary cover

Part #75-040683-00-0

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

Smoke Eliminator 69-040647-01-0
Smoke eliminator

Part #69-040647-01-0

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

Panel, Cabinet Size 64-040301-00-0
#3

(dco480) diagram

Panel, cabinet size

Part #64-040301-00-0

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

Oven Rack 08-042706-01-0
Oven rack

Part #08-042706-01-0

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

Shield, Hinge - Left 74-040686-00-0
#35B

(dco450) diagram

Shield, hinge - left

Part #74-040686-00-0

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

Cover, Hi-limit Switch 75-051951-00-0

#NI

All parts diagram

Cover, hi-limit switch

Part #75-051951-00-0

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

Top Panel, Lower Oven (starting At Serial Number 6696191 55-040151-45-Y
#18

(dco480) diagram

Top panel, lower oven (starting at serial number 6696191

Part #55-040151-45-Y

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

Door Outer Glass 06-042762-01-0
#3

Door parts diagram

Door outer glass

Part #06-042762-01-0

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

Clip, Thermostat Bulb - Upper Oven 01-041878-03-0

#NI

All parts diagram

Clip, thermostat bulb - upper oven

Part #01-041878-03-0

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

Baffle 74-040732-00-0
#4

Door parts diagram

Baffle

Part #74-040732-00-0

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

Most common symptoms to help you fix your ranges

Choose a symptom to see related range repairs.

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Why can't I unlock my range's oven door?

Main causes: broken oven door lock assembly, wiring failure, electronic control board problem…

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Why doesn't my range's oven broiler work?

Main causes: broken broiler element, weak or broken broil burner igniter, control system failure, faulty temperature sen…

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Why won't my range's oven heat?

Main causes: power supply problem, control thermostat or electronic control board failure, broken element, bad burner ig…

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Why won't my range's oven bake?

Main causes: bad bake element, broken burner igniter, control system failure, blown thermal fuse, faulty temperature sen…

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How do I get rid of streaks on my range's oven window?

Main causes: food splatters, spilling food on the oven door, allowing liquid to drip through oven door vent when cleanin…

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Why is my range's oven temperature wrong?

Main causes: faulty temperature sensor, electronic control board problem, control thermostat failure, weak burner ignite…

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Why isn't my range working?

Main causes: power supply failure, blown thermal fuse, bad relay control board, damaged terminal block, wiring failure…

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Most common repair guides to help fix your ranges

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

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How to replace a range oven door switch

How to replace a range oven door switch

The oven door switch detects whether the oven door is closed and helps control the oven light. Replace the switch if it …

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Repair difficulty
Time required
 30 minutes or less
How to replace a range oven door lock assembly

How to replace a range oven door lock assembly

Oven door not locking? You can replace the lock assembly in less than 30 minutes. Here's how.…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your ranges

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

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Oven door won't open: troubleshooting door lock problems on a range video

Oven door won't open: troubleshooting door lock problems on a range video

Troubleshoot and repair problems with your range when your oven door locks shut and you can't get it open.…

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