MMV5165BAS door won't latch - Maytag MMV4205 Microwave Oven

Dianne, Door latch repair video links below.
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Samsung Microwave Door Latch Spring Repair when your door won latch closed

https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ahUKEwiBsODZooDLAhUDyYMKHZWgAVgQtwIIHjAB&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DP2VcSNfTowE&usg=AFQjCNF3RZAcBNPJwbV-JmYB9Z--YXGZWQ

https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0ahUKEwiBsODZooDLAhUDyYMKHZWgAVgQtwIIITAC&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DD0VizKQg6pw&usg=AFQjCNEFuEZotWPVe0DbW6QAHkF787mxbg

Jo. you may have to remove the hole cover, to access inner latch mechanism, where you can manipulate the latch with long screw driver.*** before attempting this, unplug microwave for an hour***
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Microwave Door Won Open

Hello Scott Noble - If I was in your position, I personally will recommend consulting a certified technician first for an accurate diagnosis. Depending on what part(s) is damaged from the door, the microwave could possibly have faulty switches, door switches, or latch which only a professional can repair.

see this causes and fix it. God bless you
Open Lever If the microwave door won't open the open lever might be broken. This part can be replaced separately.

Door Spring If the microwave door won't open the door spring may have broken. The door spring is located inside the door and keeps downward pressure on the door hook.

Door Latch If the microwave door won't open the door latch might be broken. The door latch is inside the microwave. The door hook, which is part of the door, engages with the latch to keep the door closed during operation. If the door latch or actuator breaks the door may not open.

Door Hook If the microwave door won't open the door hook might not be releasing properly. The door hook is installed inside the door and normally releases when the door is opened. The hook is made of plastic and will break over time. When this happens it will need to be replaced, it can't be repaired.

Button Spring If the microwave door won't open the button spring might be broken internally. The button spring can be replaced.
Button If the microwave door won't open the button might be broken internally. The button can be replaced.

Handle Actuator If the microwave door won't open the handle actuator might be broken. This is a plastic part which can become brittle over time. This part is connected between the door button and the door latch assembly.

I have the same problem. Is the light still on inside the microwave? Mine is on and the microwave thinks the door is not shut. I took the top off of the microwave and the latch needs to push down on a switch once shut. The latch was reaching the switch, but I think some spring in the door, pushing the latches down, has broken since it reaches the switch when closed but there isn't any downward force to flip the switch.
I am trying to figure out how to repair the latch but if your light is on when you "shut" the door, you may have the same problem.

You will need a Samsung dealer repairman, the inner mechanism will need to be serviced because for some reason it is jammed or there are broken parts.

If the door latch is fine it is the inner mechanism that is jammed or broken.

web search-AppliancePartsPros.com-,should solve your problem

If your full model number (from the tag in or on the unit) is MMV5165BAs, then you'll have to replace the entire door.

If your model is one of these, the handle is available separately, with part numbers below:

MMV5165BAB14 or MMV5165BAB15 black part number W10189508

MMV5165BAS14 or MMV5165BAS15 stainless part number W10187840

MMV5165BAW15 or MMV5165BAW16 white part number W10189509

Normally you have to separate the door panels (as shown in the attached photo) and then you'll see the screws you need to remove.

Or you can watch a YouTube video (not a video I made) here that demonstrates how it's done.

You can find handy exploded views and order parts by model number here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

To replace the handle, normallyyou have to separate the door panels (as shown in the attached photo)and then you'll see the previously hidden screws you need to remove.

Or you can watch a YouTube video (not a video I made) that demonstrates how it's done.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.