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Modern Maid
Electric Range

Model # QDU-838B Official Modern Maid electric range

Here are the diagrams and repair parts for Official Modern Maid QDU-838B electric range, as well as links to manuals and error code tables, if available.

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  • 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 169 parts  |
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 Glass Retainer 44-01-668
#24

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

Door glass retainer

Part #44-01-668

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

Side Panel, Filler, Lt. Or Rt. 20-06-198

#NI

All parts diagram

Side panel, filler, lt. or rt.

Part #20-06-198

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

Door Spring 78-03-018
#19

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

Door spring

Part #78-03-018

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

Burner Box Sides 24-01-102
#9

Glass top section (qdu-878) diagram

Burner box sides

Part #24-01-102

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

Door Panel - Snow 12-01-143
#3D

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

Door panel - snow

Part #12-01-143

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

Broil Pan 36-01-033
#3

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

Broil pan

Part #36-01-033

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

Thermostat Knob 77-06-116
Thermostat knob

Part #77-06-116

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

Door Pad 12-01-147
Door pad

Part #12-01-147

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

Burner Box Bottom 24-01-103
#8

Glass top section (qdu-878) diagram

Burner box bottom

Part #24-01-103

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 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 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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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 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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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

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