Question about Panasonic NN-T694SF Microwave Oven

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Panasonic microwave stopped working, has not power...not breaker or outlet is a microwave issue...

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9098 Answers

SOURCE: panasonic 1100W high power

It may have a blown fuse or - assuming yours is a model NN-H965 - a defective inverter. The fuse is generally located on the bottom of the chassis of the microwave. You have to remove the outer cover on a counter top model - or the front panel assembly on an over-the-range model. There are several reasons why it may blow. If the fuse is loose in the holder, the fuse and the holder should both be replaced. If - with the microwave disconnected from the wall - you can easily turn the fuse with your fingers while it's in the holder, then it's too loose. What happens is the loose connection generates too much heat, causing it to melt internally. If so, you'll usually see a ball of solder at a point where the cap meets the body of the fuse. If the fuse blows as soon as you plug the oven in the wall, or when you open the door, the problem is likely with the door switches. You can find my files "doorsw.txt" and "safety'txt" via Google. They give you the safety warnings and cover the diagnosis and replacement of the door switches. If the fuse blows as soon as you hit START, then it's likely that you have a shorted high-voltage capacitor. If the fuse blows a few seconds after you hit START, then it's likely that you have an overheating / shorting high-voltage transformer. While an inverter (switched-mode power supply) is more efficient from a power consumption standpoint, it is more complex, thus more statistically prone to fail. These should only be examined and worked on by someone who has the necessary technical qualifications. Seriously. Often the machine-soldered connections in a microwave inverter are too weak, so they eventually fail, especially if heat is high in the area. They sometimes fail catastrophically. When not catastrophically damaged, you may hear clicking and may smell an electrical odor, which is sometimes obscured by the cooling fan. Some manufacturers do not encourage or assist technicians to repair microwave inverters. They offer the inverter as a whole assembly. But sometimes that is actually cheaper than the time and labor required to fix the old one. If a technician is willing and able to troubleshoot and repair the inverter to component level, it will may be expensive, but may be worth it, especially if he or she will resolder and reinforce connections as needed as part of a thorough repair. That could easily make your inverter beter than a new one! You might be able to get some verbal estimates if you call Panasonic-authorized repair shops and ask then specifically about inverter repair and inverter replacement costs for your model number. Be safe!

Posted on Oct 14, 2006

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  • 833 Answers

SOURCE: microwave stopped working

Generally, you get something unless the fuse inside is blown. There is generally a fuse inside the unit when you remove the button package. First, make sure that the outlet you have is good. Plug something else into it and see that it works.

Posted on Dec 17, 2007

MicrowaveSvc
  • 9098 Answers

SOURCE: My GE Profile Microwave/Convection Oven stopped working.

Chances are that the thermostat / thermal cutout / T.C.O. (whichever it uses) has opened.

This can happen when the magnetron overheats, either due to it's failing, or if the internal cooling fan is not working.

It may also that be the 15- or 20A ceramic line fuse or the oven cavity thermostat / thermal cutout / T.C.O. (whichever it uses) has opened.

There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.

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At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

You can find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven here.

You should be able to get the fuse from a home center or local appliance parts store.

Accessing some components for testing and possible replacement will require you to remove the oven from the wall.

If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

You can download GE owner's manuals and installation instructions here.

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

Posted on Jun 08, 2009

MicrowaveSvc
  • 9098 Answers

SOURCE: panasonic nn-s255 wont turn on

See if this describes what's happening:

  • Put in time, push start and unit runs for 2 seconds, relay clicks, unit goes off. Cook time on display goes off and clock time comes back. Bad upper interlock switch and charred connector
If so, see http://www.microwavedisplay.com/safety.txt , http://www.microwavedisplay.com/disassembly.txt and http://www.microwavedisplay.com/doorsw.txt

Otherwise, if the digital programmer circuit / controller does not get a feedback signal from the inverter for a period of 3 seconds, the controller will stop the cook cycle.

It 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.

NOTE: The FixYa system is not currently notifying me when folks reply to my posts, so please contact me directly for more help.

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

Posted on Sep 12, 2009

  • 3741 Answers

SOURCE: Has no power

If your microwave oven doesn't seem to work at all, check these: Fuses Usually, when your microwave oven doesn't work it all, the internal fuse (thermal fuse) is blown. This fuse protects both you and the oven. When it blows, you need to have a qualified appliance repair technician replace it. Door switch If the fuse isn't the problem, check the door hooks and the door-release button. When these are broken, the door switch doesn't activate, so the oven can't work.
thanks

Posted on Oct 11, 2009

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1 Answer

MY microwave just stop working all of a sudden what can I do


-Have you try to plug it to different outlet to see possibly the outlet has no power. Or try different circuit to plug into the one the microwave plug in to see it work or not. If no work then there is not power at that outlet. The breaker is pop.
But if it works then you possibly need new microwave.


Good luck


Mai

Dec 13, 2017 | Microwave Ovens

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Boiling water in my GE Spacemaker Microwave it stopped working and looks as if it is at half power. When activated it makes a half power type noise and the light goes dim. Is this a fuse issue?


Probably not a house fuse. Typically good or bad!! Have you tried it in a totally different outlet?? Could be a bad connection of your circuit breaker to the bus bar in your circuit breaker panel. Try it on an outlet on a different breaker. Or have someone check the power at the outlet when it is running and see if the voltage is dropping.

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New microwave stopped working after 15 seconds


Possibly the fuse / breaker is tripped, usually all outlets in one room share same breaker. Check breakers (or fuses) or try outlet in differnt room. If the outlet has power, (plugin a lamp to check) and the microwave still does not work, take it back to store for replacement or refund.

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The problem is in the microwave oven, you have a short in the power supply or it could be a defective door switch, either way the unit needs to be checked out.

Feb 27, 2011 | Emerson MW8102SS 1100 Watts Microwave Oven

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Our inverter microwave stopped completely and now has no power!


Amanda, If yours is newer construction (less than 40 years) the microwave is likely to have it's own circuit breaker in the electrical panel (in the garage or basement?) so no other lights or outlets might have gone out. I have never seen a microwave that had it's own user-replaceable fuse or circuit breaker.

Feb 10, 2010 | Panasonic MCM INVERTER

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Has no power


If your microwave oven doesn't seem to work at all, check these: Fuses Usually, when your microwave oven doesn't work it all, the internal fuse (thermal fuse) is blown. This fuse protects both you and the oven. When it blows, you need to have a qualified appliance repair technician replace it. Door switch If the fuse isn't the problem, check the door hooks and the door-release button. When these are broken, the door switch doesn't activate, so the oven can't work.
thanks

Mar 18, 2009 | Panasonic NN-SN657SMicrowave Oven

1 Answer

Stop working


IS IT POWER UP.
please rmoove the cover and check the fuse also.
is it work?????
nuwan

Jan 11, 2009 | Panasonic NN-S540BF Microwave Oven

1 Answer

No power to Panasonic NN-S252 microwave oven


follow the incoming mains lead into the microwave their is a small pcb with a fuse their check this first

Nov 14, 2008 | Panasonic NN-S254BF Microwave Oven

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