MW7400XW0 Whirlpool Microwave - Overview

Diagrams for MW7400XW0

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Parts for the MW7400XW0

$89.70

Door Interlock Switch Kit

★★★★★

(3)

Part #4392027

This part is a genuine manufacturer door interlock switch kit, also known as primary micro switch or microwave switch kit, for a microwave. The function of this part is to sense when the door of the microwave is open or closed. If the part is defective, the microwave will not start or will start when door is open. This kit contains two 15...Read more

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SCREW

Part #8169474

Sold individually.

FUSE

Part #W10856869

Sold individually.

$8.55

Microwave Screw

Part #WP4158079

This screw is for microwaves. A qualified technician should install this part if it requires accessing internal components of the microwave or microwave door. High-voltage capacitors can retain a lethal electrical charge even when the microwave is unplugged, and door shielding components should be tested for leaks after all door repairs. This screw is sold individually.

Diode

Part #WP4313101

This part allows power to go one way but not the other.

High Voltage Capacitor

Part #WP815073

LAMP-INCANDESCENT

Part #DE07-00006A

FUSE-THRML

Part #4158562

WASHER

Part #4158213

DISCONTINUED

Part #4392006

DISCONTINUED

Part #815118

DISCONTINUED

Part #815135

Manuals & Care Guides for MW7400XW0

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Manual

Owner's Manuals

(1.77MB)

Common Symptoms of the MW7400XW0

How this model fails, and the parts that fix it.

Repair Tips From Fixers Like You

See how others fixed this model. Time, tools, difficulty, and steps that lead to victory! View More

Microwave worked intermittently depending on how door was closed

67 of 85 people found this instruction helpful.

Robert from Bainbridge Island, WA
A Bit Difficult
30 - 60 mins
Pliers, Screw drivers

Remove top grille (2 screws), undo control panel (1 screw). Tilt down control panel, switches are on the left. There are actually three switches that are involved with the door, two horizontally mounted, one vertically mounted. This would be an EASY REPAIR, but it took me a while to figure out which of the three switches was bad, and a ... Read more

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Microwave went dead while in use.

35 of 42 people found this instruction helpful.

Keith from Georgetown, TX
Really Easy
15 - 30 mins
Pliers, Screw drivers

1. removed vent across the top to gain excess to Screw holding control in place. 2. Removed control panel to access Fuse. 3. Remover fuse after pulling plug. 4.Tested fuse for continuity with volt ohm meter noting no continuity.5. Orderd new fuse. 6. receeived new fuse and installed infuse holder.7. plugged microwave plug back in receptic ... Read more

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Close the door on the microwave, punch in the # nothing happened

15 of 23 people found this instruction helpful.

Robert S. from Stafford, TX
Really Easy
15 - 30 mins
Screw drivers

I removed the unit from the wall. Took the cover off. Set the unit on its side. It revealed the working parts. Removed the old micro switches. Put in the new oness. Presto, it worked. Very easy for me.
The parts was delivered almost before my notice they were shipped.

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