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Sears Kenmore Elite Microwave F-9 Error

Model # 721.63689300
Serial # 301KM00316
Manf. Date January 2003

When started, microwave will run for 4 sec. then stop, displaying F-9
While in operation for this brief time the microwave makes a low 
''sparking/clicking'' sound.  There is no visible sparking, it is the type of sound I am describing not a visual effect.  All controls and lights function as they should.  

I have looked behind the grill at the top of the microwave for the usually included service sheet and it is not there.  Is it located somewhere else in this model?  What is the problem?  Control board?  Magnetron?  Something else?  Any help pointing me in the right direction would be greatly appreciated!

Wes

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  • zpn4 Mar 03, 2009

    I have the exact problem. Started today out of the blue.

  • dmmoore16 May 11, 2009

    I have the same problem, Sears will repair for $200...I'm going to buy a new one. With a little research I found out that this unit has had alot of issues. The best I could get from Sears is buy an extended warrenty.

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My guess is that it is the main transformer that has developed a fault. If the insulation has broken down - it will arc there instead of the magnatron. Or it could be the magnatron itself. Both are prime suspects - and expensive to replace.

Unless you are particularly attatched to this - I would buy a new unit - and sell the turntable plate to recoup your losses.

Posted on Feb 04, 2009

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F9 problem started for me yesterday. Is intermittent. I'm seeing MANY others with similar issue. I purchased Kenmore Elite Oven, Microwave/Hood, Refrigerator and Dishwasher; I've had issues with all of them. Plastic soap container melted on Dishwasher, I've had to replace the ice-cube maker on the Refrigerator, light on the Oven would not shut off and now doesn't work at all, and now F9 error on the microwave. Service calls have been frustrating, and yes, I've paid for all the repairs. Best advice: STAY AWAY FROM ANY, ALL KENMORE APPLIANCES. I even told them on the phone that with good service I will promote their product -- they simply DID NOT CARE. I HAVE EXPERIENCED A COMPLETE LACK OF LOYALTY OR SERVICE TO THEIR CUSTOMERS. My parents had very good service with Sears; obviously they have lost their way. STAY AWAY.

Posted on Jan 23, 2011

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1 Answer

What does the code F9 means on a Kenmore Elite Microwave oven model 721-62362 manuf on March 2003


The F-9 error code indicates a defective control board, inverter or line voltage too high.
Read more: http://wiki.answers.com/Q/What_does_the_code_F-9_mean_on_a_Kenmore_Elite_Microwave_oven#ixzz1FMSrTmbU


Hope that answers your question and it won't be too expensive.
Check on ebay for prices.

Mar 01, 2011 | Kenmore Microwave Ovens

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

Microwave has an error code F9 after running for about 5 seconds


Some quotes from other forums, but note that you need to look up your model to verify part numbers:

"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."

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

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

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

BUT once you have the part number from the Sears 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 Microwave Ovens

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

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Thanks for your input - be sure to relay these messages to Sears.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.

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Please reply back with your model number so we can help you.

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

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Please reply back with your brand and full model number so we can help you.

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

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