Question about Panasonic NN-P794SF Microwave Oven

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My Panasonic NN P794SFR Inverter micro stopped while it was running when I attempted to hit a fly with my hand on the right side. I saw a spark from inside and then it stopped. Smells like something got burnt inside. Nothing works, did I blow a fuse?

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Panasonic NN 9850 wall micro/convection oven

PLEASE CHANGE MEMBRANE SWITCH

Posted on Oct 05, 2007

maklean
  • 1665 Answers

SOURCE: Micro doesn't heat

When the microwave sounds okay, but there's no heat, one of the internal door switches, the high voltage circuitry, or the circuit board may have a problem. To resolve this problem, you need the assistance of a qualified appliance repair technician.
See PartDetective

Posted on Mar 08, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Panasonic inverter model no NN-S540

You can download your owner's manual here.

If there's no obvious removable cover over the bulb (and the owner's manual doesn't address it) some disassembly may be required.

Always unplug a microwave before removing or installing any bulbs.

The screws you need to remove should be pretty obvious, and a special driver (such as a T20H Torx type or GTXH20-100) may be needed.

Be sure to put all the screws back in the right holes, since some may be special grounding screws.

Bulbs can be had in most grocery stores, hardware stores, home improvement centers, and big box or department stores.

Many models use halogen lamps. You must not touch the new one with your bare skin, as the oils will shorten the bulb life.

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

Posted on Jul 12, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Panasonic NN- A712 combination Microwave 1000w - Switches off after 20 seconds

The 22 seconds is the giveaway.

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.

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

Posted on Jul 19, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: panasonic inverter dimension 4 microwave

If it stops after 22 seconds, that means the controller has detected a problem, usually 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.

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

Posted on Sep 06, 2008

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Micro Wave shuts down


If it stops after 22 seconds, that means the controller has detected a problem, usually 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.

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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Without HV test equipment it is quite difficult to determine if it is the magnetron or inverter.

5 years is a little short for magnetron failure but it appears that this is about all you can expect these days from a magnetron - the best I have seen was 11 years. I have not seen an inverter failure as yet (although I am not a full time repair man). The main reason I suspect it is the magnetron is the short time period from start to stop - it is typical of magnetron failure in Panasonic microwaves.

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