Question about Panasonic NN-S255 Microwave Oven

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I need to know if there is a fuse on my panasonic genius inverter microwave.model NNS255w.if so where is it located? i thought I had looked everywhere? thanks!!

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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9047 Answers

SOURCE: Panasonic Genius 800w locked

On many models, you press "Stop / Reset" three times.

A hard reset may help: Unplug it from the power line for a few minutes, plug it back in, set the clock, then try again.

If you don't have your owner's manual, you can probably download it (or one that's very close) here:
http://panasonic.co.uk/customer-Support/download-centre.asp

If that doesn't work, you can contact Panasonic UK at http://panasonic.co.uk/customer-Support/svc-dealer-locator.asp

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

Posted on Dec 17, 2007

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SOURCE: Panasonic Microwave inverter oven model,

10 Amp fuse blown inside oven.

Posted on Apr 19, 2008

SOURCE: Panasonic Genius 800w locked

press start 3 times to lock and 3 times to unlock...hope that helps

Posted on Jul 11, 2008

welcomejee
  • 10594 Answers

SOURCE: panasonic genius microwave light bulb

Does your microwave front display lite?

Posted on Aug 27, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Microwave Panasonic Genius Prestige Model

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 of your interior 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 28, 2008

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1 Answer

The settings on my microwave appear fine. Then I set the time for let's say 50 seconds and it turns off in 5 - 9 seconds. Then what you see is the correct time --- no other message.


If this is an inverter oven, it could mean that there is a problem on the inverter board. Testing these boards is fairly simple. You just need to find a service manual for that model.

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1 Answer

No power to my Panasonic microwave


assuming u have pwr to the plug - and nothing lights up = it is probably a bad transformer - open thermal fuse.
WHICH was probably caused by a shorted mag, which means junk.

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Panasonic nn-sn778s microwave shuts off and no heat- H97 is error code


H95, H97, H98 or H99 mean that there's a problem with your inverter, magnetron, or digital programming circuit.

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

You can find an authorized Panasonic servicer here.

In Canada, 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.

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1 Answer

1200 watt panasonic genius shuts down


If it stops after 7 seconds, it has a problem with the inverter.

If it stops at 16 seconds and is a sensor model, it probably has a defective humidity sensor.

If it stops after 22 seconds, that means the controller has detected a problem, usually a problem with the inverter, controller, magnetron, or a bad connection from one or the other.

Display codes H95, H97, H98 or H99 mean that there's a problem with your inverter, magnetron, or digital programming circuit.

That may be a loose connection in the wiring between the inverter, magnetron, and/or control board, or maybe one of those components has failed.

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

You can find an authorized Panasonic servicer here.

In Canada, 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.

May 26, 2010 | Panasonic Microwave Ovens

1 Answer

I Need a replacement glass for a panasonic Inverter the Genius sensor model no#5A68160017 can anyone help as to where you buy this from


That's not the model number of the oven.

Check the tag around the control panel frame. It will be something like NNS-542BAW, etc.

You can order parts from Encompass here or you can call them toll-free at 866-779-5835.

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

Jun 22, 2009 | Panasonic Microwave Ovens

1 Answer

My Panasonic The Genius microwave just stopped working not getting any power to display. Wondering if it is the fuse and where that would be located.


HI, if this unit is totally dead, this may be a power inverter issue. there is a fuse located on this board inside the unit. you will need to gain access to this board and fuse by removing the outer cover. there should be a few screws on the outside of the microwave to remove.

Check the In-line fuse for its value. if the fuse is good, replace the power unit(inverter board)

Jun 20, 2009 | Panasonic Microwave Ovens

1 Answer

Error code H-98


H95, H97, H98 or H99 mean that there's a problem with your inverter, magnetron, or digital programming circuit.

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

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.

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1 Answer

Panasonic Model NNS768BA Genius Premier 1100W Display works - nothing else comes up H98


H95, H97, H98 or H99 mean that there's a problem with your inverter, magnetron, or digital programming circuit.

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.

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

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4 Answers

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In most cases, this is a problem with the inverter but it may be 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.

Dec 06, 2007 | Microwave Ovens

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