Question about Panasonic NN-T993SF Microwave Oven

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I HAVE A PANASONIC MICROWAVE INVERTER: F00064W70AP Type AP103 May I bring it to France and use it with a 220V - 50Hz to 110V transformer ? What is the power consumption of the unit (needed to order my transformer)?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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jsrock516
  • 5911 Answers

SOURCE: Panasonic Microwave

The fuse is usually a 250V 15 or 20 AMP and can be found at any hardware store. As for those screws...those are special tamper proof screws made to keep the average consumer out of dangerous appliances. There's about 4000 volts inside a microwave oven when it is energized. That's why the manufacturers don't want the average Joe tampering with it. You can, however, buy the tool required to get inside the unit for a reasonable price. I think it's less than $30 and I know Craftsman makes it. The line fuse is located on or near the input line filter board. Just follow the input power cord and you will find it. Just keep in mind, that if the fuse is blown, it usually blows for a reason. You may have other problems. Let me know if this helps you.

Posted on Jun 23, 2007

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MicrowaveSvc
  • 9085 Answers

SOURCE: Panasonic Inverter Microvave (NN-T990SA) Does Not Operate at Full Power

In most cases, this is a problem with the inverter or a bad magnetron.

Due to the lethal voltages used and produced, I do not recommend that an inexperienced person work on these.

I would recommend that you contact your nearest Panasonic-authorized servicer. You can find one here:

http://www2.panasonic.com/webapp/wcs/stores/servlet/vServiceLocator?storeId=15001

We're happy to help and we appreciate your thoughtful rating of our answer.

Posted on Dec 17, 2007

  • 579 Answers

SOURCE: Panasonic Microwave Warm

Replace the h.v. capacitor (the silver can mounted in back under the magnatron) and the h.v. diode and it will be fine.
Hope Ya Fix It!

Posted on Jan 30, 2008

MicrowaveSvc
  • 9085 Answers

SOURCE: PANASONIC INVERTER MICROWAVE

A microwave can be dead for many reasons.

It may be the fuse, which is usually located behind the grille or on the floor of the oven behind the control panel or between the door switches.

If the fuse is good, it may be an open thermostat or thermal cutout (TCO) / thermal fuse on or near the magnetron or on top of the cavity / body of the oven.

If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the magnetron thermostat to open.

Then when it cools, it closes the circuit and allows power through again.

When checking TCOs or thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.

The TCOs you need to be concerned usually with have all black or white wires only. Please reply with photos if you have questions.

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If it goes dead or blows the breaker (or GFI) when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

If it's intermittent or random, it may be a bad connection, usually on the control board or a loose fuse holder, or even an intermittent fuse.

You should do a continuity test on the fuse while it's in the holder (with the microwave unplugged, of course) then turn the fuse by hand or take it out and put it back in, then test it again.

If you remove the fuse, then press the meter leads against the ends, it can allow internal contact to be made and make a bad fuse appear to be good.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.

You can order Panasonic parts here.

You can find an authorized Panasonic servicer here.

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

Posted on Sep 16, 2008

garing
  • 998 Answers

SOURCE: Panasonic Microwave turns on and tray rotates when door is opened

check the door switches

Posted on Aug 16, 2009

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1 Answer

My panasonic microwave shut off after 6 seconds as something smells burned. Now it is smoking up the kitchen so I turned it off


Just as a guess, this is not an inverter microwave, correct?

The offending part is more than likely the big transformer on the unit, plus the fuse.

If it is the inverter type MW oven the you should see a hot looking part on the circuit board that is connected to the magnetron.

In any event, it is time for a new microwave oven.

Aug 30, 2017 | Panasonic Microwave Ovens

Tip

Panasonic error codes h97 h98


If it is displaying error H97, or h98, this generally means that the invertor(power supply Panasonic part number: Z606YM300BP,) is not functioning. The magnetron may also be faulty.


Here is some more information about the part. The microwave may also have a faulty magnetron. If you are unsure, then you should get someone to look at the unit for you before you go buying parts.

BEWARE... VOLTAGES INSIDE MICROWAVES CAN KILL

Panasonic part number: Z606YM300BP, supersedes all previous versions of the inverter used with the 2M261-M32J This Inverter is now available at a lower cost, it used to be £60.00 plus VAT and delivery trade price.
This inverter is fitted to many of the more recent Panasonic inverter type microwaves such as the NNC596S .Some microwaves such as Bosch and Siemens also use this inverter as they are rebranded Panasonic ovens. These ovens are upmarket models, some include advanced functions such as steaming and are normally well worth repairing.
The inverter as fitted to earlier ovens with the 2M236-M42 and 2M236-M1 is also available.

An inverter microwave oven is one without a high voltage transformer You will know you have one as it is not extremely heavy at one end. This type of microwave uses a high power DC converter, called an inverter, to produce the high voltage and filament voltage required by the magnetron.
If you purchase this item for replacement in your microwave then we recommend that you do this only if you are qualified and aware of the dangers of tampering with electrical equipment.
Failure of the magnetron is common and at times the inverter can fail as well. Sometimes the inverter fails on it's own. If your microwave blows the 10 amp mains input fuse as the cooking cycle starts then you probably need a new inverter. An instruction sheet with basic guidelines on fitting will be provided but please do not purchase this item unless you are confident about fitting it. We only accept returns if the inverter supplied is defective which is extremely unlikely.
If you have one of these ovens that is not cooking then it is worthwhile looking at the magnetron. It often shows signs of distress through overheating.

As well as the inverter failing it is also possible you could also have a defective magnetron,


Good luck and thanks for using FixYa


A FixYa rating would be spot on for this information to you.



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robotek

on May 07, 2008 | Panasonic NN-SN657S Microwave Oven

1 Answer

I have 110V AC, Sharp Household Microwave Oven, power transformer is damage. Is 220V AC transformer can be use as replacement?


NO. There should be a label on the part which has its part number, something like RTRN-A.......

You can order Sharp parts from Sears or Encompass.

Contact me directly if you need more help.

- William E. Miller, AS-EET
pupista@gmail.com
http://www.MicrowaveControl.com
Microwave Oven Control Panel Repair Nationwide
"Recycling by repairing since 1982"

Mar 01, 2017 | Sharp Microwave Ovens

1 Answer

HOW TO USE CUSINEART GRIDDLER WITH 110v TO 220v


Get a step down transformer/converter. Grill consumes 1500watts of energy. Converts cost 200 dollars here at sim lim tower/square. Make sure get the correct watts, it is very important.

Apr 06, 2014 | Cuisinart Microwave Ovens

1 Answer

I bought my nespresso magimix in France and now I am living in japan. It's humming quietly but not making any coffee. Would ot have anything to do with the voltage?


Hi, I would say so. You may have to get a voltage ( transformer). France they have 220v and in Japan they have 100v . Good luck.

Aug 12, 2011 | Microwave Ovens

2 Answers

I am planning to replace my 240 volt microwave oven with an 120 volt. Can I use a converter?


You might be able to use a 120v to 240v inverter, but may still get problems as the inverter doesn't alter the mains frequency. In the UK and Europe, our 240v / 200v are supplied at a nominal 50Hz. Most 120v systems use 60Hz.

For many devices this doesn't matter, but a microwave oven uses an internal inverter to boost the incoming voltage to the much higher one needed to operate the cavity magnetron: the bit which makes the microwaves. Although it actually runs on dc power, the ac to dc conversion does not produce a smooth dc output,. Since the magnetron relies on an oscillation process to produce microwaves, the wrong oscillation can result in weak or no microwave power, or it can cause the element to overheat and fail.

In simple terms, it will work or it won't. If it doesn't it may blow the most expensive single internal component which usually renders the microwave economically unrepairable. If it does, it may underperform or gradually stress the magnetron causing premature failure. Considering the cost of a suitable inverter and the risks to the oven, it makes more sense just to buy an oven of the correct voltage to start with. New ones cost peanuts these days and used ones are often offered free on FreeCycle or Freegle, usually just needing a good clean before being re-used.

Mar 12, 2010 | GE Advantium SCA2000B Microwave Oven

1 Answer

How to convert electricity from 110 to 220 volts for my SHARPE Microwave oven


Ah, the problem of the ages. There are 2 solutions. One is a transformer of the proper size, and the second is to purchase a heavy duty battery charger (that runs on 220 volts). Connect the red and black (+ and -) wires to a 12v to 110v voltage inverter, similar to what you would plug into a 12v auto 'cigarette lighter' socket to produce 110v current from a car battery. The charger turns the 220 vac to 12 vdc, and the inverter turns the 12 vdc into 110 vac. This works, as it is what I did when I moved from the US to England.

Feb 04, 2010 | Sharp R-230 Microwave Oven

2 Answers

Panasonic NN-T994SF Microwave Oven quits after 15 seconds


my microwave shuts off after a few seconds. is there a fuse that needs replacing?

Feb 01, 2010 | Panasonic NN-T994SF Microwave Oven

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