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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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  • 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 169 parts  |
Element, Small 74-06-168
#3

Glass top section (qdu-878) diagram

Element, small

Part #74-06-168

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

Ceramic Glass W/sealer 79-02-177
#2

Glass top section (qdu-878) diagram

Ceramic glass w/sealer

Part #79-02-177

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

Mounting Bracket, Switch 44-01-711
#8

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

Mounting bracket, switch

Part #44-01-711

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

Oven Probe Bracket 44-01-678
#29

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

Oven probe bracket

Part #44-01-678

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

Door Handle 77-01-045
#1

Oven door assembly (qdu-838) (qdu-858) (qdu-878) diagram

Door handle

Part #77-01-045

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

Main Top 04-02-220
#8

Range top section (qdu-858) diagram

Main top

Part #04-02-220

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

Insert, Burner Bowl Large With Hole 36-01-035
#6B

Main top section (qdu-838) diagram

Insert, burner bowl large with hole

Part #36-01-035

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

Insulation 53-01-162
#6

Glass top section (qdu-878) diagram

Insulation

Part #53-01-162

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

Cam 28-02-012
#24A

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

Cam

Part #28-02-012

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 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 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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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 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 bake?

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

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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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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

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