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Jenn-Air
Electric Range

Model # CU240B Official Jenn-Air electric range

Here are the diagrams and repair parts for Official Jenn-Air CU240B electric range, 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 55 parts  |
Range Surface Element Control Switch 703650
#2

Escutcheon assembly (cu230) (cu240) diagram

Range surface element control switch

Part #703650

Replaced by #W11120791

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Manufacturer substitution
This part replaces 703650. Substitute parts can look different from the original.
BEST SELLER
$55.40 | 
10% OFF Phone Price : $61.40
In Stock
Receptacle 702783
#18

Top assembly (cu240) (cu240) (cu240b) (cu240l) diagram

Receptacle

Part #702783

Replaced by #WPY702434

?
Manufacturer substitution
This part replaces 702783. Substitute parts can look different from the original.
$43.33 | 
12% OFF Phone Price : $49.33
In Stock
Screw 707341
Screw

Part #707341

Replaced by #WP489128

?
Manufacturer substitution
This part replaces 707341. Substitute parts can look different from the original.
This item is not returnable
$8.12 | 
11% OFF Phone Price : $9.12
In Stock
Screw #8bx38 703506
#5

Cooling fan (cu230) (cu240) diagram

Screw #8bx38

Part #703506

Replaced by #WPY706189

?
Manufacturer substitution
This part replaces 703506. Substitute parts can look different from the original.
This item is not returnable
$4.46 | 
18% OFF Phone Price : $5.46
In Stock
Screw 707172
Screw

Part #707172

Replaced by #WP59002061

?
Manufacturer substitution
This part replaces 707172. Substitute parts can look different from the original.
This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock
Magic Chef Cooktop Grill Rock Plate Support 700819
Magic chef cooktop grill rock plate support

Part #700819

$33.59 | 
15% OFF Phone Price : $39.59
In Stock
Grounding Screw 703817
#14

Burner box (cu230) diagram

Grounding screw

Part #703817

Replaced by #WP71001171

?
Manufacturer substitution
This part replaces 703817. Substitute parts can look different from the original.
This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock
Range Drip Pan 715878
#20

Top assembly (cu230) diagram

Range drip pan

Part #715878

This item is not returnable
$7.99 | 
11% OFF Phone Price : $8.99
In Stock
Range Drip Pan 715877
#23

Top assembly (cu230) diagram

Range drip pan

Part #715877

This item is not returnable
$7.69 | 
12% OFF Phone Price : $8.69
In Stock
Speed Nut 708862
Speed nut

Part #708862

Replaced by #WPY708862

?
Manufacturer substitution
This part replaces 708862. Substitute parts can look different from the original.
This item is not returnable
$4.50
In Stock

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.…

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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Top questions about Sears and Sears PartsDirect

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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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