I have samsung microwave model MW830WA 120V 60HZ 800W IT IS DATED 2001. The fuse has been blown off last week. I want to know where the location of the fuse and what fuse to buy. Thank you, Phil

The control board may have gotten wiped out by a recovery power surge.

What is India's voltage? watts doesn't matter and there may be a range on the Hz. Most likely if the voltage is higher you will need a step-up transformer - external. replacing the internal transformer is not recommended unless you know exactly what you are doing and have the correct one. Compare prices to a new microwave there. If you are very lucky there maybe a voltage switch on the back near the power cord.

Open your microwave door and look on the top or bottom, it should be on a sticker.

Could have a blown fuse. All microwaves have a fuse inside. Do you have power in the wall receptacle?
Check this out first.

fuses do not have voltage ratings they are a current device. the 15 V does not make sense. It might be 15 A which is the current rating. A standing for Ampere which is the maximum current named after the discoverer of current creating magnetic fields being Andr?-Marie Amp?re in 1826. The 120v or 240v relates to the transformer design in the microwave. The transformer would be design to run on 240V AC 50 HZ AC like in Oz and UK or 120V 60 Hhz AC like used in the USA out of the power point from the power company.
Also the current relates to the voltage. So voltage divided by circuit resistance equals current.denoted by the formula I = V/R

usually caused by grease build-up inside the cavity

White-westinghouse 0.7 cu-ft microwave oven has an output power of 700 watts.
Power source for USA is 1200 watts at 120v/60Hz.
Most food cooking directions are based upon a 1100 watt microwave oven output..
You can roughly adapt cooking directions by multiplying times 1.6.

So if directions say 6 1/2 minutes at 1100w, cook for 10 minutes 24 seconds, or 10.4.minutes [roughly]
Why do people answer if they have absolutely no clue what the answer is?

Sounds more like the transformer could be bad. Very easy to check. See my tip at http://www.fixya.com/support/r4318968-check_high_voltage_transformer_in . Let me know if you need more help.

hardrocko

Thanks for using FixYa and for the generous rating.

In all likelihood the mangnetron has failed, or perhaps even the Power Supply. You need to have it serviced by a reputable service centre/man.
Ensure you get a firm "Quote" before proceeding, and remember these days the cost of repair can equal or exceed the price of a new one.

if they are physically alike use it,the units are both120 volt units,you cant operate a 210 volt motor on 120 volts w/o an inverter furthermore it would be 220 volts for that type of motor,its just a production run #