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Need to know is a ns120 c20 mcb3000 a 20amp fuse for an new oven for home

Bought new oven for home needs a 20amp fuse on the board i have ns120 c20 mcb is this fuse good to use

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Panasonic NN-C2003S microwave is completely dead. No lights, no action. Have taken cover off and checked fuse, which looks like it is in good condition.


Would need to check power to main board. A lot of times it is the small low voltage transformer on the main board. If the primary winding goes bad it cant get power to the rest of the board to function. So to start, is there power getting to the low voltage transformer on the main board??Have you had any thunder storms or power surges at your home where it is plugged in? If a home loses its Neutral power line it can mess up a lot of electrical devices in the home. do you notice your lights browning at times. If so you may need to get your power company out to do a load test on you system. But the transformer is a very low amp device and will not blow the main fuse if it goes bad. So you could bhave aburnt trace on the back of the main board or a bad transformer. Best guess. Good luck

Jun 26, 2017 | Panasonic Microwave Ovens

2 Answers

Where are the fuses in my microwave oven,?


Inside behind the display panel on a small circuit board.

Jan 01, 2013 | Magic Chef MCO160UB Microwave Oven

1 Answer

My GE JVM1750DM blew an internal breaker or fuse when I attempted to remount a lamp lighting the stove top; it had fallen out of its mount. Where is the internal reset or breaker located, and how do


There are fuses inside the unit. No internal breaker. A lot of the time that damages the main circuit board too. Blowing the trace that supplies the power to the bulb off of the board. will probably need a new baord, or someone to repair that one.

Sep 24, 2017 | GE JVM1750DM Microwave Oven

1 Answer

Don't know if its a fuse !!! microwave just


If the oven is totally dead it may be that the line fuse is blown, but other things can cause the problem too. To figure out what's wrong you'll need the proper test equipment (at least a volt-ohmmeter) and experience with reading the circuit diagram, measuring voltages and checking parts. If you have an ohmmeter available, you can check the fuse at least, which is under the cover near where the line cord enters the cabinet. A good fuse will have a very low resistance while a bad one will have very high or infinite resistance. IF YOU DECIDE TO TRY THIS BE SURE THE OVEN IS UNPLUGGED FROM THE AC OUTLET. Sometimes the trouble is that the fuse holder doesn't grip the ends of the fuse tightly enough, and this causes heating which can damage the fuse. If the fuse seems loose in the holder, squeezing the spring clips inward to improve the grip and replacing the fuse may be all that's needed to fix the oven. If the fuse blows again it's a sign there is more wrong. If the fuse is good but the oven is dead, the trouble might be in the control circuit board.

Microwave ovens are dangerous, with hazardous voltages THAT CAN KILL YOU if you don't know what you're doing, so you may want to leave other diagnosing and repairs to a professional. If this is a basic countertop oven, you might find it cheaper just to replace it, since repair cost may be as much (or more) then the cost of a new one. For a high-end model, over the range or custom installation, repair may be worthwhile. I would suggest getting an estimate for the repair and then deciding what to do.

Jul 16, 2011 | GE Microwave Ovens

1 Answer

I bought I microwave in the USA and I had it installed in my home in Brazil and appers working well but it doesn´t heat. What I could do to solve this problem?


Was it new? normaly when a microwave deos not heat it means the magnetron is dead (that's the part of the oven that produces the microwaves) or it could be a burned fuse, if it's a dead magnetron it is almost as expensive as a new oven.

Good luck!

Jan 04, 2011 | Samsung SMH9187ST Microwave Oven

1 Answer

Replacing inverter board for my sharp R-2130JS microwave


I do not know how to specifically replace the "inverter board" in this model. On most microwaves I've repaired, though, the hardest part is getting them dismounted from the wall if they are rangehood models. I suspect that the inverter board is held onto the chassis with two phillips screws, and all the connections thereto are modular and therefore easily disconnectable and swapped out. The great majority of times, manuafactureres do NOT put multiple connectors of the same pin count and oriention on a circuit board. Give it a go.

Feb 27, 2009 | Sharp R-2130JS Stainless Steel 1200 Watts...

1 Answer

Sharp half pint


The fuse should be located on an input line filter board INSIDE the microwave. You will need to unplug and remove the outside case to get to it. Simply follow where the power cord comes in and you should see a fuse mounted on a small circuit board somewhere. This is the line filter. The fuse should be a 20 amp appliance fuse that you can purchase at any hardware store. DO NOT attempt to re-energize the oven with the cover removed. There are dangerous voltages present in the high voltage circuit (about 13,000 - 14,000 VAC). Put the outside case back on before trying an op test. Let me know if this helps.

Aug 11, 2007 | Hotpoint RVM1435 Microwave Oven

1 Answer

MAYTAG mmv4205aab OVER THE RANGE MICROWAVE


It could easily be a bad line fuse and/or line filter. To access you will need to unplug the unit and remove the outside case. Inside the unit, where the A/C power cord comes in, there should be a small circuit card (part #237068) located somewhere with a fuse mounted on it. This is your input line filter board with line fuse. Replace the fuse, first and see if this fixes your problem. This is a 20amp appliance fuse that you can purchase at any hardware store. Make sure you place the cover back on the unit BEFORE you plug it in. It is not safe to have this area of the microwave exposed with power applied. High potentials in the 4,000 volt range are present! If the fuse does not correct your problem, the circuit card runs about $26.00. Good luck and hope this fixes your problem.

Aug 04, 2007 | Maytag MMV1153A Microwave Oven

1 Answer

Fuse problems.


Microwave fuses are usually located inside on the floor of the chassis behind the control panel or on the door switch mount between the switches. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk If you do need a new fuse, it will be a 15- or 20-amp ceramic fuse, and they are available at local home centers, home improvement stores, hardware stores, and appliance parts stores.

May 16, 2007 | Emerson MW8107WA Microwave Oven

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