Model #79046623500 KENMORE ELITE Slide-In Range, Electric/Gas

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Question and Answers

Q:

Why is the fault code "F30" still displaying after replacing the oven sensor probe?

A:

The "F30" fault code is indicating an open oven temperature sensor probe or an open sensor probe circuit.

Note: Disconnect power to the range before making any checks.

I recommend removing and disconnecting the new sensor probe and measure the resistance of it with an ohm meter. Then reconnect the sensor probe and then disconnect the sensor harness connection at the oven control board and re-measure the resistance across the two wire leads. It should measure the same as when you measured it directly at the sensor probe. If the reading is different or showing open (no continuity) recheck the connections at both ends of the sensor probe circuit. The sensor probe harness may have a broken wire. If it measures the same the likely failure is the Oven Control board. The sensor probe should have a resistance reading of 1091 ohms at room temperature of 75 degrees plus or minus 2.5 degrees. See image below.

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Joey S -
Sears Technician
A:

I have the same problem with my range. I've just replaced the probe as suggested and F-30 still prevails. The door is stuck in lock and the cook top is locked out as well.

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Duane -
September 05, 2013
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Q:

Kenmore range 79046623500. After power outage control panel & oven are dead. Gas burners work. Help!

A:

In regards your range, after the power outage your control panel and oven were dead. Have you checked to see if there is power to the unit? Check for a flipped or blown circuit breaker and test your plug by plugging something else into the outlet. If there is power, unplug your range or flip the circuit breaker for a couple of minutes then restore power to see if you can reset the panel. If there's not any power you may need a technician or an electrician.

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Tamira B. - Personal Solutions Manager -
Sears Technician
June 19, 2009
Q:

Why would an oven model 79046623500 display the F30 error code 90 days after a repair?

A:

The F30 error code indicates an open oven temperature sensor probe circuit. If the wiring connection to the oven temperature sensor probe is not plugged in properly or the oven temperature sensor probe is bad, then this code will be displayed. If the previous repair or the appliance is still under warranty, you may be able to have the technician that made the previous repair (or another technician) check the temperature sensor and the wiring in this circuit.

If you need to check the sensor yourself, disconnect electrical power to the range, shut off the gas supply and access the oven temperature sensor from the back of the oven. Unplug the sensor and check the resistance of the sensor using a volt/ohm meter (with the range still disconnected from electrical power). The image below shows the normal resistance readings for the temperature sensor. If the sensor resistance is way out of this range, then it will need to be replaced. If the sensor appears to be okay at room temperature, it may be providing an errant resistance when heated up in the oven. You could also have a problem in the wiring circuit between the sensor and the electronic oven control board. NOTE: You should not check this yourself if the range is still under warranty or you are not completely confident in your technical ability to safely access and perform this check.

You can view a parts list diagram with part number for your range on the Sears PartsDirect website.

According to the tech sheet, a problem with this temperature sensor could initially provide a fault code that may lead a technician to replace the control board instead of the failed sensor. Without knowing the details of the previous failures, I cannot predict whether this sensor problem may have led to the replacement of the electronic control board and control console twice before. This could be a separate and unrelated failure.

If you need more help with this problem, resubmit your question with additional details.

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Lyle W -
Sears Technician

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