I expect you will find the door interlock switches caused the main fuse to blow. Dead appliance, power on wall outlet. YOUR
SAFETY IS PARAMOUNT! Attempt
this only if you are competent. If
your appliance has absolutely no functions at all, remove it from the
mains supply, remove the case and see where the mains lead goes in to
the appliance and follow the cable until you find the main fuse.
Check and replace the faulty switches.
ONLY
USE THE SAME TYPE AND RATING OF FUSE TO REPLACE IT.
The usual
cause of this fuse failure is the door switches are contaminated or
sticking. Check the door switches before putting power back on to the
appliance.
Hope this helps.
A number of kitchen outlets may have GFI switches, especially if they are anywhere near sinks. The GFI may have been tripped. There should be a reset switch in the middle of the plug. See if it's tripped, and reset if necessary.
The breaker may have been tripped. Most kitchen circuits are wired to 20Amp breakers. If this is elsewhere in the house, like in an entertainment room or such, it is likely a 15 Amp outlet. Microwaves can draw a fair amount of power. Someone using another kitchen appliance, hair dryer, or what have you, on the same circuit, may have tripped the breaker. Newer code may specify an AFI or GFI breaker for kitchen outlets. In that case, a fault with something else on the circuit may have tripped the breaker. If that is the case, and it trips again, talk to an electrician. You don't want a fault like that undiagnosed.
3) You may also want to try plugging the microwave into another outlet, even if the normal outlet seems OK
If there's wall power and a good plug-in, then you work back to the microwave itself. A number will have fuses. Also, there may be interlocks that kick in if, for instance, the carousel rotation is impeded - that can mean something on the carousel is hitting a wall, which can risk tipping something over and spilling, or risk mucking up the reduction gears for the carousel axle if it keeps pushing.
At that point, looking for specifics on your microwave model will be needed. You may also try the Microsoft Support approach - i.e unplug it for 5 minutes, then plug it back in and see if it works.
Hoping this helps, Good Luck!
locate the microwave's power supply cord.Remove the power supply cord from the wall outlet.Wait one to two minutes.Re-insert the power supply cord into the wall outlet. The microwave is now reset.
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