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Jenn-Air
Electric Wall Oven

Model # W2780B Official Jenn-Air electric wall oven

Here are the diagrams and repair parts for Official Jenn-Air W2780B electric wall oven, 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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 102 parts  |
Screw 707347
#25A

Door diagram

Screw

Part #707347

Replaced by #W11233072

?
Manufacturer substitution
This part replaces 707347. Substitute parts can look different from the original.
$16.79 | 
11% OFF Phone Price : $18.79
In Stock
Screw 708733
Screw

Part #708733

Replaced by #W11233072

?
Manufacturer substitution
This part replaces 708733. Substitute parts can look different from the original.
$16.79 | 
11% OFF Phone Price : $18.79
In Stock
Screw (blk) 704238
#7

Door diagram

Screw (blk)

Part #704238

Replaced by #WPY706189

?
Manufacturer substitution
This part replaces 704238. Substitute parts can look different from the original.
This item is not returnable
$4.46 | 
18% OFF Phone Price : $5.46
In Stock
Cable Tie 701678
#5G

Internal controls diagram

Cable tie

Part #701678

Replaced by #WPW10339879

?
Manufacturer substitution
This part replaces 701678. Substitute parts can look different from the original.
This item is not returnable
$4.37 | 
19% OFF Phone Price : $5.37
In Stock
Bake Element 04100389
#1

Oven diagram

Bake element

Part #04100389

Replaced by #WPY04100020

?
Manufacturer substitution
This part replaces 04100389. Substitute parts can look different from the original.
$81.85 | 
7% OFF Phone Price : $87.85
In Stock
Broiler Element 704667
#6

Oven diagram

Broiler element

Part #704667

Replaced by #WPY04100514

?
Manufacturer substitution
This part replaces 704667. Substitute parts can look different from the original.
$74.59 | 
7% OFF Phone Price : $80.59
In Stock
Washer 702592
Washer

Part #702592

Replaced by #WP74003976

?
Manufacturer substitution
This part replaces 702592. Substitute parts can look different from the original.
This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock
Rivet 701662
Rivet

Part #701662

Replaced by #WP210720

?
Manufacturer substitution
This part replaces 701662. Substitute parts can look different from the original.
$16.79 | 
11% OFF Phone Price : $18.79
In Stock
Broiler Insert 703165
#4

Oven diagram

Broiler insert

Part #703165

Replaced by #4396923

?
Manufacturer substitution
This part replaces 703165. Substitute parts can look different from the original.
$29.55 | 
17% OFF Phone Price : $35.55
In Stock
Clock Knob 704485
#11A

Control panel (lower) diagram

Clock knob

Part #704485

Replaced by #WP7711P492-60

?
Manufacturer substitution
This part replaces 704485. Substitute parts can look different from the original.
This item is not returnable
$13.20 | 
13% OFF Phone Price : $15.20
In Stock

Most common symptoms to help you fix your wall oven

Choose a symptom to see related wall oven repairs.

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Why won't my wall oven door unlock?

Main causes: bad oven door lock assembly, faulty electronic control board, wiring failure…

Read more

Why won't my wall oven broil?

Main causes: broken broil element, faulty broil burner igniter, control system failure…

Read more

Why won't my wall oven bake?

Main causes: broken bake element, bad bake burner igniter, tripped thermal switch, control system failure…

Read more

Why isn't my wall oven at the temperature I set?

Main causes: faulty oven temperature sensor, control system problem, weak burner igniter, damaged oven element…

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Why doesn't my wall oven work?

Main causes: lack of electrical power, bad electronic control board, faulty oven control thermostat…

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Why won't my wall oven heat?

Main causes: lack of gas supply, broken igniter, tripped circuit breaker, broken oven element, tripped thermal fuse, con…

Read more

Most common repair guides to help fix your wall oven

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

View all
How to replace a wall oven door outer glass panel

How to replace a wall oven door outer glass panel

Learn how to replace a damaged outer window panel on your wall oven door with these step-by-step instructions. …

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Repair difficulty
Time required
 45 minutes or less
How to replace a wall oven control thermostat

How to replace a wall oven control thermostat

Get your oven temperature under your control by replacing a faulty oven control thermostat.…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a wall oven thermal fuse

How to replace a wall oven thermal fuse

The thermal fuse trips to prevent the over from excessively overheating. The oven won't heat again until you replace the…

Read more
Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your wall oven

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

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5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

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How to repair broken or damaged wires video

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