Model #79099123405 KENMORE ELITE Free Standing, Electric

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Question and Answers

Q:

Kenmore Electric Range

A:

With the Oven not working is not something any of us want to see. If you are technically handy, this is a good site to get instruction and fix some things yourself. If you do not feel confident doing your own repairs, an option is to visit Sears Home Services and use the scheduler. While you wait for the expert to review your model, you can check the bottom link for some possibilities. Hope this is of help.

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Priscilla V -
February 19, 2012
A:

Thank you for your question and I understand your concern.

Based on both bake and broil elements being Okay, the electronic oven control (EOC) assembly is likely faulty. The electronic oven control has a double line break relay which is likely burnt up or just not closing in order to complete the line two voltage common to both bake and broil elements.

So that's what I can tell you at this point. I can give you more detailed help if you could provide me with the complete model number. The model numbers are typically located around the oven cavity opening. If you could supply me with that information and add to the thread I will be happy to assist you further.

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Joey S -
Sears Technician
February 20, 2012
A:

Thank you Joey. My model # is 79099123405

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Joel -
February 20, 2012
A:

Joel: I added an image of the wiring diagram. In order for the bake and broil elements to heat, there must be 120 volts coming out of line 2 (L2 out) from the board. The bake and broil elements must have a 230-240 volt supply or the elements will not heat. You can see by the wiring diagram that L2 out supplies the line 2 voltage to the bake and broil element. In order to diagnose and confirm the EOC is faulty will require measuring the voltage across L2 out and neutral at 15 pin connector. You will need to disconnect the L2 out wire from the control before doing so. NOTE: I do not recommend checking the voltage unless you have experience and feel safe and confident in doing so, otherwise I strongly suggest calling a service technician to diagnose and repair your range.

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Joey S -
Sears Technician
February 20, 2012
A:

I have some experience and do feel comfortable checking the voltage. If I get a positive reading, would this mean the EOC is faulty and in need of replacement?

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Joel -
February 20, 2012
A:

Joel: If you do not measure 120 volts across L2 out and Neutral, replace the Electronic Oven Control/Clock assembly. Be sure to disconnect the wire from L2 out before checking or you can read voltage back feeding through the oven element. Disconnect the range from the power source before disconnecting the wire connection from L2 out.

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Joey S -
Sears Technician
February 20, 2012
A:

Thank you for the information. I will make sure I unplug the range before checking the voltage.

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Joel -
February 20, 2012
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Q:

changing out the uib board on kenmore elite model #79099123405

A:

Error codes can be a hassle and keep the appliance from working properly and I will be happy to help. While you are waiting for an expert to respond, I have attached some helpful links below that may provide information to assist you with your question.

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Joseph P. -
January 09, 2012
A:

You should see a release on the control board for the ribbon connectors. The image below shows a photograph of the replacement user interface control board. Two of the ribbon cables appear to have a black tab attached. You may not find a release on those connectors.

The control boards in appliances are vulnerable to power surges and glitches through the electrical lines. There is a possibility that the control boards encountered that type of spike through the power supply and sustained damage. It is difficult to determine the exact cause of a control board failure. Once you replace the control boards, you will probably not have further problems.

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Lyle W -
Sears Technician
January 11, 2012
A:

i have changed all 3 boards in my range. the stove now works but the oven still does not. it shows a pf on the main screen of the electronic oven control board. thought i had a bad board so sears sent out another board and get the same error. i replaced the uib, power board, and oven control board. there are no loose wires. could the ribbons have gone bad? it shows in the manual that the ribbons on the eocb run the warmer and the touch screen, my range shows that the warmer is hot, but it is not on and i cant reset the PF or use any of the oven features. what would cause this?

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jason -
January 19, 2012
A:

I recommend that you check the oven sensor probe circuit. If that sensor circuit is "open" then the clock control board will not clear that PF code. Be sure that you UNPLUG the range before accessing internal components. The image below shows a partial wiring diagram for your range with that sensor circuit traced in purple. I added some links for brief repair videos below this response that show how to access and test the oven sensor probe. I recommend that you UNPLUG the range and access the sensor circuit connection on the electronic oven control board and test that circuit from the control board first. You should measure around 1086 ohms at room temperature through that circuit. If that circuit is "open" (measures Ol -- open load or infinite resistance), then you can check the sensor itself. If the sensor is good, then you have a problem with the wire harness (usually the disconnect plug on the sensor). This information may help you resolve the PF code that cannot be reset. If not, then you could have a bad user interface control board, a failed ribbon cable or a bad electronic oven control board. Let us know if you need more help.

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Lyle W -
Sears Technician
January 21, 2012
A:

ok after unpluging the wiring harness to the sensor the code goes away. does that mean that the sensor is bad? thanks for all the help

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jason -
January 25, 2012
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Q:

kenmore elite model number 79099123405...replaced all 3 main boards still have a PF on EOCB

A:

While you are waiting on your response from an expert if you decide to schedule service then I have attached a link below where you can set it up yourself. Have a great day!

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Alina F. -
January 19, 2012
A:

do you hove 208/230 volts supplied to the range check ckt. breakers /fuses

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knightheating -
January 19, 2012
A:

I suspect that you may have an "open" oven temperature sensor probe circuit. I provided some detailed troubleshooting for that problem in the other thread that you have in progress for this range. Here is a link for that other thread: changing out the uib board on kenmore elite model #79099123405 .

I hope that this information helps. If you need more assistance, reply with additional details.

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Lyle W -
Sears Technician
January 21, 2012
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