Question about Panasonic NN-S541 Microwave Oven

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Microwave shows code h97does not work do you know what this means?? turns on for a second then switches off 1100w model nn-st657w about 2yrs old

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Hi,


H97 means that there's a problem with your inverter, magnetron, or digital programming circuit. It is suggested to contact a repair person to deal with this kind of problem to your unit as the repair involves high voltage to deal with.


Please accept the solution if it's helpful. Do get back to us for any further query.


Thanks for contacting fixya.com

Posted on Oct 07, 2010

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1 Answer

How do you change the light bulb in a panasonic microwave model nn-st657w


Switch off power ,Remove the top panel cover and the lamp will be visible within. Now unscrew the lamp cover and remove the lamp . check for failure and replace with the same wattage and thread.

Jan 10, 2013 | Microwave Ovens

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We have a Panasonic Microwave. model number NN-P295 1100W. We had a leak above our microwave 3 days ago. The fan immediately came on and will not shut off. No features will work on the microwave. We...


This not good! from your description the problem is in the keypad controller, on the back of the keypad is a circuit board that contains the microprocessor and additional parts that control vital areas of the microwave oven. The leak has penetrated the vital areas where the electronics are housed, I suggest you replace the microwave oven because the cost will probably more than what a new one will run.

Feb 08, 2011 | Panasonic NN-P295SF Microwave Oven

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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

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Hello,i have microwave KHHS179LSS-2. Display indicate code F7. I check magnetron thermostat resistance is 0 ohms. I replace 1100W inventor. Microware stil indicade code F7. Thanks for you help.


From a similar model's tech sheet (and yours should have one hidden inside):

F7
Power to magnetron interrupted
1. Unplug microwave oven or disconnect power.
2. After 40 seconds, check to see whether this solves the problem.
3. Check resistance of the magnetron thermostat.
4. Check the magnetron. See this file for details.
5. Check wiring to the 1100W inverter and control system. See "Checking Inverters"
6. Check operation of all interlock switches. See this text file. Check door, hinge and cavity front alignment. Adjust as needed.
7. If switches operate correctly, replace 1100W inverter.
8. If problem persists, replace electronic control.
9. Plug in microwave oven or reconnect power.

You can find helpful exploded view diagrams and order parts by entering your full model number (KHHS179LSS2 without dashes or spaces) from the tag on the oven here.

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

Nov 25, 2010 | KitchenAid Microwave Ovens

1 Answer

What is the F7 code mean?


According to the technical sheet found hidden inside the unit behind the controller and online here:

F7 Power to magnetron interrupted
1. Unplug microwave oven or disconnect power.
2. After 40 seconds, check to see whether this solves the problem. (Possible reason: Over temperature protection for the magnetron opened.)
3. Check resistance of the magnetron thermostat. It should be close to 0 ohms.
4. Check the magnetron.
5. Check wiring to the 1100W inverter and control system.
6. Check operation of all interlock switches.
7. If switches operate correctly:
- Replace 1100W inverter.
- If problem persists, replace power supply board.
8. Plug in microwave oven or reconnect power.

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

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

Sep 08, 2010 | Whirlpool Accuwave Microwave Oven

1 Answer

Whirlpool microwave shows f-7


From the technical sheet hidden behind your control panel and online here:

F7 Power to magnetron interrupted
1. Unplug microwave oven or disconnect power.
2. After 40 seconds, check to see whether this solves the problem.
3. Check resistance of the magnetron thermostat.
4. Check the magnetron.
5. Check wiring to the 1100W inverter and control system. See “Checking
Inverters.”
6. Check operation of all interlock switches. Check door, hinge and cavity front alignment. Adjust as needed.
7. If switches operate correctly, replace 1100W inverter.
8. If problem persists, replace electronic control.
9. Plug in microwave oven or reconnect power.

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.

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

Sep 07, 2010 | Whirlpool GH6177XP Microwave Oven

1 Answer

My 4yr old NN-S262SF OTR runs for 2secs and stops whenever start


Hello

Microwaves use alot of power and should be on their own 20amp circuit. Get an electrician to put the microwave on its own circuit.

John

Nov 25, 2009 | Panasonic NN-S262SF Microwave Oven

1 Answer

Same Problem - Suddenly Died ~2yrs old, very light use.


Probably a fuse inside the unit. Can be caused by overheating or by door switches not working properly.

Sep 10, 2009 | Panasonic NN-P794SF Microwave Oven

1 Answer

NECESITO PORFAVOR EL MANUAL DE USO DEL MODELO, NN-ST657W


Si sabía el problema que podría asistirle mejor así que debo conjeturar: Ninguìn calor: maìn magnetrón, fusible soplado, maìn diodo del condensador, abierto o puesto en cortocircuito. Si sopla el triturador es probablemente un maìn magnetrón. si simplemente ninguìn calor es probaby el diodo y el condensador.

May 17, 2009 | Panasonic NN-S954WF Microwave Oven

1 Answer

New Microwave not working


The first thing I would suggest is a hard reset. Unplug the unit for a minute or so. Then plug it back in, set the clock and try again.

If it's still not working, you'll need to 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.

Aug 24, 2008 | Panasonic NN-P295SF Microwave Oven

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