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Kenmore microwave model # 85293 made by LG will not work and gives a code F-9 on display

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: F-9 code in display

F9 usually indicates a problem with the door switches or a broken door switch mount.

 

If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk

 

You can find helpful exploded view diagrams and order parts by entering your FULL model number here: http://tinyurl.com/gv383

Posted on Oct 12, 2007

ginko
  • 19396 Answers

SOURCE: Microwave Does Not Heat.

Test the high voltage capacitor,the rectifier diode.or the magnetron.

If it additionally does not spin and no light, then check also the door switch.

The diode and capacitors can br tested. The capacitor must be alloweddischarge before testing, or you risk to get electrocuted, even ifpower is off. Capacitors can get discharged by shorting their twocontacts.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.

All locations, and description of this parts can be located using the diagram here: Counter top.

Parts must be tested to find out what is wrong.

Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.

Regarding parts, contact the seller here to purchase parts. (here in UK).

Posted on Apr 27, 2009

  • 1 Answer

SOURCE: My Kenmore Elite over the range microwave model

Just had this happen - the repair guy says it is the inverter. And they have stopped making the part so it cannot be fixed!!! When did you buy your unit?

Posted on Dec 23, 2010

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1 Answer

Our microwave stops after a few seconds and code comes up F9


It of course depends on the model number, but here's some discussion from other boards:

F-9 on this microwave IS inverter related. There is a service tech troubleshooting document stuffed in behind the control board cover which has some testing proceedures. My problem was the magnatron and checked out bad with the help of this document. It would run for a few seconds making clicks and then say F-9. It has been working great since I replaced the magnatron PN 6324w1a002c.

f9 model 721.63764300
Kenmore Elite 36 " over tne counter microwave is supplied by LG made by Gold Star, made in China. It's main problem is the high voltage inverter board supplyed by Sears Parts. If you get a F-9 code on your microwave display screen and the micro quits it's probably this board. Reset the machine by pulling the power plug and waiting an hour. If it is the high voltage board is at fault it will probably fail after 45 seconds of start up. This part is really hard to get at but is less than $100. A qualified technician should be able to remove and repair this item in less than hour. Some techs will quote you $300 labor, don't buy it, it should cost a $100 or less. No need to buy another microwave.

To find helpful exploded view diagrams and get part numbers, you can just enter your full model number at the Sears parts site.

But Sears parts can usually be obtained for far less here by entering either the part number.

A full Sears/Kenmore model number has 3 digits, a dot, then 8 more digits, such as ###.########.


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

Sep 07, 2010 | Kenmore Microwave Ovens

1 Answer

My Kenmore Elite over the range microwave model 85293 will only run for a few seconds and then it atuomatically stops and says F-9 on the display pad. It does not heat anything. What does F-9 mean?


Just had this happen - the repair guy says it is the inverter. And they have stopped making the part so it cannot be fixed!!! When did you buy your unit?

Jul 03, 2010 | Microwave Ovens

1 Answer

Hit the start button and runs for 6 sec then code F-9 can't find manual


You didn't mention your brand or model, but F9 code on an LG sometimes means either a bad door switch or a loose door switch mount.

See this file on door switches.

If a switch is all you need, we offer a universal type for only $5 postpaid which you can order here.

Here is more info on F9 as it relates to some brands and models:

Sears Kenmore Whierlpool LG 721.63683300

"F-9 on this microwave IS inverter related. There is a service tech troubleshooting document stuffed in behind the control board cover which has some testing proceedures. My problem was the magnatron and checked out bad with the help of this document. It would run for a few seconds making clicks and then say F-9. It has been working great since I replaced the magnatron PN 6324w1a002c."

"f9 model 721.63764300
Kenmore Elite 36 " over tne counter microwave is supplied by LG made by Gold Star, made in China. It's main problem is the high voltage inverter board supplyed by Sears Parts. If you get a F-9 code on your microwave display screen and the micro quits it's probably this board. Reset the machine by pulling the power plug and waiting an hour. If it is the high voltage board is at fault it will probably fail after 45 seconds of start up. This part is really hard to get at but is less than $100. A qualified technician should be able to remove and repair this item in less than hour. Some techs will quote you $300 labor, don't buy it, it should cost a $100 or less. No need to buy another microwave.
"

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

Jul 02, 2010 | LG LMVM1945 Microwave Oven

1 Answer

My Kenmore Elite Ultra Wave Technology microwave is displaying an F-9 error. What does that mean?


Here are a couple of quotes from another forum:

"Kenmore Elite 36 " over tne counter microwave is supplied by LG made by Gold Star, made in China. It's main problem is the high voltage inverter board supplyed by Sears Parts. If you get a F-9 code on your microwave display screen and the micro quits it's probably this board. Reset the machine by pulling the power plug and waiting an hour. If it is the high voltage board is at fault it will probably fail after 45 seconds of start up. This part is really hard to get at but is less than $100. A qualified technician should be able to remove and repair this item in less than hour. Some techs will quote you $300 labor, don't buy it, it should cost a $100 or less. No need to buy another microwave."

"F-9 on this microwave IS inverter related. There is a service tech troubleshooting document stuffed in behind the control board cover which has some testing proceedures. My problem was the magnatron and checked out bad with the help of this document. It would run for a few seconds making clicks and then say F-9. It has been working great since I replaced the magnatron PN 6324w1a002c."

Note that part numbers mentioned may not for your model.

You can usually find exploded views and order parts by entering your model number at the Sears parts site.

BUT once you have the part number from the Sears parts site, you can often get the parts cheaper here

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

May 25, 2010 | Kenmore 63662 / 63664 / 63669 Microwave...

1 Answer

F-9 pops up - microwave stops after 5 seconds. This is a Kenmore Elite Microwave, made in 2003. Model 721 63683300


Hello :

The F-9 error code indicates a defective control board, inverter or line voltage too high .

WARNING : A microwave is capable to give you a serious electrical shock even when it's unplugged , so I recommend you to call a repair technician for help .

good luck .

please don't forget to rate !

Apr 04, 2010 | Kenmore Microwave Ovens

1 Answer

Humming sound, F9 and dead


Seems like I answered this, but maybe it's a different poster.

The 721 model code means it's an LG/Goldstar-made oven and F9 indicates a problem with the inverter or magnetron.

Due to the lethal voltages involved, I do not recommend that a person without training and experience ever work on these models.

I would suggest you contact Sears for service.

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

Jul 19, 2008 | Kenmore 64683 Microwave Oven

1 Answer

F-9 code in display


F9 usually indicates a problem with the door switches or a broken door switch mount.

 

If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk

 

You can find helpful exploded view diagrams and order parts by entering your FULL model number here: http://tinyurl.com/gv383

Oct 10, 2007 | Kenmore 64663 Microwave Oven

2 Answers

F-9


Need to know the entire model # on the microwave.

Oct 05, 2007 | Microwave Ovens

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