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Modern Maid
Electric Range

Model # QDU-858B Official Modern Maid electric range

Here are the diagrams and repair parts for Official Modern Maid QDU-858B electric range, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 169 parts  |
Switch 74-03-100
#23

Door latch assembly (qdu-838) (qdu-858) (qdu-878) diagram

Switch

Part #74-03-100

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

Control Panel Extrusion 77-02-107
Control panel extrusion

Part #77-02-107

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

Griddle Pan 36-01-026
#11

Main top section (qdu-838) diagram

Griddle pan

Part #36-01-026

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

Vent Tube 75-06-223
#57

Cabinet section (qdu-838) (qdu-858) (qdu-878) diagram

Vent tube

Part #75-06-223

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

Bracket Conduit Mtg. 44-01-572
#3

High voltage section (qdu-838) (qdu-858) (qdu-878) diagram

Bracket conduit mtg.

Part #44-01-572

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

Window Assembly 79-02-204
Window assembly

Part #79-02-204

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

Oven Rack, Broiler Pan 78-01-096
#4

Oven accessories (qdu-838) (qdu-858) (qdu-878) diagram

Oven rack, broiler pan

Part #78-01-096

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

Main Top 04-02-185
#1

Glass top section (qdu-878) diagram

Main top

Part #04-02-185

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

Burner Bowl, Small With Hole 74-06-181
#5B

Range top section (qdu-858) diagram

Burner bowl, small with hole

Part #74-06-181

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

Hex Nut 71-03-002
#18

Door latch assembly (qdu-838) (qdu-858) (qdu-878) diagram

Hex nut

Part #71-03-002

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 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 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 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.…

Read more
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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How to clean and maintain your stove

How to clean and maintain your stove

Learn how to clean and maintain your stove to keep it in top shape.…

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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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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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