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MT4078SPQ0
MT4078SPQ0 Whirlpool Microwave
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Viewing 6 of 6Manuals & Guides for MT4078SPQ0
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$85.78
This kit contains 2 switches - 15 Amp - 125/250 Volt with 3/16" terminals.
In Stock
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$14.15
This is an authentic OEM replacement part. This screw is commonly used in the assembly of refrigerators, microwaves, ice makers, ranges, and smokers. Due to varied uses we recommend you refer to model...
In Stock
Order within the next 8 hrs and your part ships today!
In Stock
Order within the next 8 hrs and your part ships today!
This roller is located underneath the glass turntable. With the help of the motor, this roller helps to rotate the glass tray. This part takes the place of the coupling.
No Longer Available
In Stock
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$2.85
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 l...
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In Stock
Order within the next 8 hrs and your part ships today!
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Common Problems and Symptoms for MT4078SPQ0
Viewing 4 of 4Tray won’t turn
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Won’t turn on
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No heat
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Doesn’t shut off
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How to fix it
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- Customer:
- Robert from Bainbridge Island, WA
- Parts Used:
- 4392027
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 30 - 60 mins
- Tools:
- Pliers, Screw drivers
Microwave worked intermittently depending on how door was closed
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
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lso took a while to figure out that there is a plastic rod that inserts through the hole in the switch body. Once i figured this out went like a breeze. Lower horizontal switch was the bad one, but since the kit came with two switches i went ahead and replaced the upper horizontal one as well. IT appears that the horizontal switches are probably more likely to fail than the vertical switch based on the position of the switch and force angles. Works great now!
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- Customer:
- Keith from Georgetown, TX
- Parts Used:
- W10856869
- Difficulty Level:
- Really Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Pliers, Screw drivers
Microwave went dead while in use.
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
al and tested unit now working OK.Reversed steps 2 & 1 job complete
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- Customer:
- Robert S. from Stafford, TX
- Parts Used:
- 4392027
- Difficulty Level:
- Really Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Screw drivers
Close the door on the microwave, punch in the # nothing happened
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.
The parts was delivered almost before my notice they were shipped.
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