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Kenmore·Ovenmedium severity
Kenmore Oven Error Code F4
Open oven temperature sensor
Common Causes
- 1Open oven temperature sensor
- 2Broken sensor lead in the cavity harness
- 3Corroded sensor connector at the rear
- 4Control board sensor-input failure
Step-by-Step Troubleshooting
- 1
Disconnect power and locate the temperature sensor probe entering the upper rear wall of the oven cavity
- 2
Pull the sensor connector at the back of the range and measure its resistance, where an open reading confirms a dead sensor
- 3
Examine the probe leads and the plug for corrosion or heat damage that breaks the circuit
- 4
If the probe and its wiring check out, the control board sensor input has failed and the board needs replacement
Pro Diagnostic Tip
F4 on a 110-series Kenmore range, a Whirlpool build, is the oven sensor reading open, so the control locks out bake to stay safe. The rod sensor near the rear cavity wall is the usual culprit and a straightforward swap, but ohm the harness too, since a heat-cooked connector opens the same circuit.
You Might Also Notice
- •The oven will not heat or hold temperature
- •Bake is locked out with the code showing
- •The fault posts as soon as bake is selected
- •Temperature readings look wrong
Parts, Cost & Difficulty
Repair Difficulty
Moderate — Some Experience NeededEstimated Repair Cost
$90–$260
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
Oven temperature sensorSensor connector
Do You Have the Right Tools?
Combustion analyzer ($300), igniter tester ($120), temperature calibrator ($150), and gas pressure manometer. Our technician arrives with $3,000+ in professional tools — your diagnostic is free.
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Gas ovens involve live gas lines — a loose connection creates explosion and carbon monoxide risk. Electric ovens run on 240V circuits. Our techs are licensed and insured — let them handle the risk.
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Frequently Asked Questions
What does Kenmore error code F4 mean?
Kenmore error code F4 indicates: Open oven temperature sensor. This is a medium-severity issue affecting your oven.
How do I fix Kenmore error code F4?
Disconnect power and locate the temperature sensor probe entering the upper rear wall of the oven cavity Then, Pull the sensor connector at the back of the range and measure its resistance, where an open reading confirms a dead sensor Then, Examine the probe leads and the plug for corrosion or heat damage that breaks the circuit There are 1 more steps — see the full troubleshooting guide above. This repair typically requires professional tools and expertise.
How do I know if my oven has error F4?
Besides the error code on the display, common signs include: The oven will not heat or hold temperature; Bake is locked out with the code showing; The fault posts as soon as bake is selected. If you notice any of these symptoms, check your oven's display panel for error code F4.
How much does it cost to fix Kenmore F4?
Repair costs for Kenmore F4 typically range from $90 to $260 depending on the specific cause and parts needed. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.
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