Question about Panasonic NN-H965 Microwave Oven

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H98 error While attempting to operate microwave display reads H98 and unit will not function. problem appeared suddenly. Unit just one year old. Please advise. Thank You, Mark Oine

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  • ladybc Jan 21, 2009

    I have the same problem and my microwave was just a year old also. This H98 error came up all of a sudden. Can't get warranty as I got this as a "secret gift" and don't have proff of purchase.

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Unplug wait 10 seconds plug back in and it worked.

Posted on Jan 30, 2013

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  • Panasonic Master
  • 9,042 Answers

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

H98 error - 267eb1a.jpg

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.

Posted on Jan 01, 2009

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2 Answers

What does it mean when a Panasonic microwave is displaying H98


The H98 error means that there is a problem with the magnetron, the inverter or the programming circuit. This is an area of the microwave with a high voltage and thus should only be dealt with by a professional from Panasonic service.

I wish that I had better news for you. Unless the microwave is still under warranty, you probably will find it cheaper to replace it.

Cindy Wells

Feb 06, 2015 | Panasonic Microwave Ovens

1 Answer

How do I fix the H98 error on my microwave


You haven't identified the brand, make or model but this may be helpful:

Newer Panasonic Microwaves have built in fault codes....

they look like H97, H98....
Troubleshooting of Inverter Circuit (U) and Magnetron
This oven is programmed with a self diagnostics failure code system which will help for troubleshooting, H97, H98 and H99 are the provided failure magnetron and inverter circuit problem areas. This section explains failure codes of H97, H98 and H99. H97, H98 and H99 appears in display window a short time after start key is pressed and there is no microwave oscillation.
panfaultcode1.jpg

NOTE:
DO NOT try to REPAIR this Inverter Power Supply (U) and also DO NOT RE-ADJUST PRESET VOLUME on the board. It is very dangerous to repair or adjust without sufficient test equipment because this circuit handles very high voltage and very large current. Off alignment or inverter board operation is dangerous. Operating a misaligned inverter circuit is dangerous due to the very high voltage and current that is produced by this board. Defective boards must be replaced with a new one.
- Check magnetron filament for open or short to casing before proceeding to determine a good magnetron.
Alternative way to troubleshoot oven with AC Ampere meter used.
H97, H98 and H99 appears in display window a short time alter start key is pressed and no microwave oscillation with AC Ampere meter used for troubleshooting.
panfaultcode2.jpg

NOTE:
DO NOT try to REPAIR this Inverter Power Supply (U) and also DO NOT RE-ADJUST PRESET VOLUME on the board. It is very dangerous to repair or adjust without sufficient test equipment because this circuit handles very high voltage and very large current. Off alignment or inverter board operation is dangerous. Operating a misaligned inverter circuit is dangerous due to the very high voltage and current that is produced by this board. Defective boards must be replaced with a new one.
- Check magnetron filament for open or short to casing before proceeding to determine a good magnetron.

Sep 09, 2014 | Microwave Ovens

1 Answer

My microwave says H98


Take it back to the place of purchase asp, the standard warranty is one year.

Mar 27, 2012 | Panasonic Microwave Ovens

1 Answer

My Panasonic NN-ST657W microwave has suddenly come up with an H97 code on display panel. Switches off after about 6 seconds before displaying this code. What has happened?


This oven is programmed with a self diagnostics failure code system which will help for troubleshooting, H97, H98 and H99 are the provided failure magnetron and inverter circuit problem areas. This section explains failure codes of H97, H98 and H99. H97, H98 and H99 appears in display window a short time after start key is pressed and there is no microwave oscillation.
There is not a lot the layman can do except maybe to try a new magnetron.
It is a job for an experienced Panasonic Microwave repair man.

Dec 31, 2010 | Panasonic Microwave Ovens

1 Answer

Error code h97, on a genius prestige microwave - nn-sd787st. what does this mean?


Hello :

Troubleshooting of Inverter Circuit (U) and Magnetron .

This oven is programmed with a self diagnostics failure code system which will help for troubleshooting, H97, H98 and H99 are the provided failure magnetron and inverter circuit problem areas. This section explains failure codes of H97, H98 and H99. H97, H98 and H99 appears in display window a short time after start key is pressed and there is no microwave oscillation.


6ce1ddb.jpg
WARNING :

The microwave is capable of giving you a serious electrical shock even when it's unplugged , so I recommend you to call a repair technician for help .

please don't forget to rate .

good luck .

Apr 13, 2010 | Panasonic NN-SD797S Microwave Oven

1 Answer

H98 error message. Micowave not heating, stops after 37 seconds


HI. in most cases, this will lead to a failed Heating device(magnetron tube).It would be wise to check the Magnetron cutoff fuse to be sure of its integrity. if the fuse is blown, simply replace it. if the fuse continues to show continuity, replace the magnetron.

(((The fuse is located inside the unit along side the magnetron)))

Sep 28, 2009 | Panasonic NN-H965 Microwave Oven

1 Answer

Panasonic Microwave


the error code H98 refers to the heating filament on the magnetron, unless you are confident I would not progress further

Feb 18, 2009 | Microwave Ovens

1 Answer

Neff HTHB86K Microwave oven.


The microwave unit is faulty as you can read from the display or the controller isn't working correctly, you should take your MW oven to an authorized service center. It can be repaired by yourself but it's highly dangerous because it has high voltage inside and microwave energy.

Feb 15, 2008 | Microwave Ovens

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