If the handle actuator is broken replace it.
Broken microwave door button.
2 of customers exhaust fan not working.
You might have an issue with the door latch lever or button if your microwave will not open.
What happens is that the lever unit usually has a paddle or a button which gets in contact with door latch assembly and releases the hooks which in result lets you open the microwave door.
Find someone who works on appliances remove the cabinet cover remove the door release latch pop out the button and remove the broke ear pop the button back in replace the.
Since the handle actuator is made of plastic it can break from normal wear.
If the button won t push in to open the microwave door one of the little ears that holds the button in place has broke off and is keeping the button fron being depress.
The things i have seen in a microwave not working are the high voltage diode shorted or opened and the 12v relay on the control board which drive the voltage on the magnetron.
It then contacts the door latch assembly and releases the door hooks to allow you to open the door.
The handle actuator is connected between the door open button and the door latch assembly.
In most of the cases where the microwave door is not opening the cause comes out to be an issue with the door latch button or lever.
The door latch lever assembly usually consists of a paddle or button that either pivots downward or pushes into the control panel.