Micro Door Switch 3405-001034 | Official Samsung Part | Fast Shipping | PartSelect
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Micro Door Switch

PartSelect Number PS4131192

Manufacturer Part Number 3405-001034

Manufactured by Samsung

Troubleshooting

This part fixes the following symptoms:

Doesn’t shut off

This part works with the following products:

Microwave, Range, Wall Oven.

This part works with the following brands:

Samsung.

Part # 3405-001034 replaces these:

3405-000178, 3405-001034.
Questions and Answers
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Customer Repair Stories
Average Repair Rating: 3.5 / 5.0, 4 reviews What's this?
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Lynn from LOUISVILLE, KY
Difficulty Level:
Really Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
DE66-90106B, DE66-00168B, DE34-20019A, 3405-001034
Microwave would not start when door closed. Sometimes you could push in or jiggle door and it would work for awhile and then it woud stop again. I knew it eas a door switch issue but wasn't certain which of the 3 or the body latch itself.
I removed the body latch assembly and found the bottom micro switch (NC) terminal burnt and loose. I replaced and working perfectly fine now. Easy diagnose and easy repair.
10 of 16 people found this instruction helpful.
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david from WASHINGTON, DC
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers
Parts Used:
DE34-20019A, 3405-001034
microwave ran with the door open
First I read through the customer comments, reviews, questions, etc. at Parts Select, which is always a good bet. Then I put "samsung microwave door switch replacement" into youtube and watched some videos. They don't even have to be for Samsung. From what I can tell, many of the appliance companies use the same design and the same junk parts, so watching a GE video is almost the same for example. Watch some videos to familiarize yourself with the steps. There are maybe six to disassemble and install the new part. I replaced all three switches. They are not expensive and to replace 3 is only 5% more work than to replace just one; you have to take the microwave apart in either case. UNPLUG THE MICROWAVE FROM THE WALL. Start taking it apart. I use my phone to take a picture of any thing I remove, unscrew or disconnect, especially wires, BEFORE I disconnect them. Thee pictures serve as a reference when I go to reconnect and reassemble. If I am uncertain then I check the picture. Good luck!
2 of 2 people found this instruction helpful.
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Raymond from TROY, OH
Difficulty Level:
Easy
Total Repair Time:
1- 2 hours
Tools:
Screw drivers
Parts Used:
3405-001034
The microwave would not turn on or would run with the door open
Other tools that are usefull long needle nose pliers, long thin blade screw driver and small magnetic flashlight. Place the microwave on a work bench and remove the case it cover 3 sides. Place the microwave on a chair so it can stand with the controls up. You are replacing the lower door microswitch. The switch is located behind the control panel in the lower part of the area. The switch is several inches inside this area and your hands will not fit. Take care when moving wires and a couple of sensors. Use the thin blade screwdriver to release a tab holding the switch in place. Do not break this tab. Take the needle nose pliers and remove the switch. Put the wires on the new switch, open the door a short distance so a door lever moves enough to put the microswitch back into the bracket.
2 of 2 people found this instruction helpful.
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Adam from GILBERTS, IL
Difficulty Level:
Really Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
DE34-20019A, 3405-001034
Our microwave would turn on after the timer was set but only the light would turn on, nothing else.
I replaced all 3 door switches. Once you remove the top vent then remove the panel. Then remove the two screws holding the door switches in place and pop them out and replace them. It was tricky getting around all the wires but eventually was able to get around them. Took less than 20 mins to do and was less than $40 to fix. Much better than having to replace our over the stove microwave.
1 person found this instruction helpful.
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Model Cross Reference

This part works with the following models:

PartSelect Number: PS4131192
Manufacturer Part Number: 3405-001034
Brand
Model Number
Description
Samsung
CM1012B
Microwave - Samsung Microwave Model CM1012B Parts
Samsung
CM1012BXAA
Microwave - Samsung Microwave Model CM1012BXAA Parts
Samsung
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Samsung
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Samsung
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Samsung
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Samsung
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