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Kenmore·Ovenmedium severity
Kenmore Oven Error Code F3
Oven sensor open circuit
Common Causes
- 1RTD temperature sensor failed
- 2Wiring connector loose
- 3Wire damaged from heat
Step-by-Step Troubleshooting
- 1
Pull range out and remove rear panel to access sensor connector
- 2
Reseat sensor connector firmly — a loose connector is the most common cause
- 3
Test sensor resistance — should read ~1080 ohms at room temp
- 4
If resistance reads infinite (open), replace the sensor
Pro Diagnostic Tip
Applies to models starting with 790.xxxxx (Whirlpool platform). If F3 appeared during or after self-clean, the sensor failed from thermal stress at 900F+. Common on units over 5 years old.
You Might Also Notice
- •Oven will not heat at all
- •Display shows temperature but oven stays cold
- •F3 appears during self-clean
Parts, Cost & Difficulty
Repair Difficulty
Moderate — Some Experience NeededEstimated Repair Cost
$50–$175
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
W10181986 oven temperature sensor
Do You Have the Right Tools?
Combustion analyzer ($300), igniter tester ($120), temperature calibrator ($150), and gas pressure manometer. Our technician arrives with $15K+ in professional tools — your diagnostic is free.
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What This Repair Involves
Here's what a professional technician does to resolve this issue:
Diagnose the root cause, test affected components with calibrated meters, replace faulty parts with OEM replacements, and verify proper operation through a full test cycle.
This repair requires combustion analyzers, gas pressure manometers, and temperature calibration instruments. Most homeowners find it safer and more cost-effective to have a licensed technician handle it.
Safety First — Know the Risks
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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Ready to Get This Fixed?
Don't let error code F3 disrupt your day. A professional diagnosis takes about 30 minutes — and it's free when you proceed with the repair.
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Frequently Asked Questions
What does Kenmore error code F3 mean?
Kenmore error code F3 indicates: Oven sensor open circuit. This is a medium-severity issue affecting your oven.
How do I fix Kenmore error code F3?
Pull range out and remove rear panel to access sensor connector Then, Reseat sensor connector firmly — a loose connector is the most common cause Then, Test sensor resistance — should read ~1080 ohms at room temp There are 1 more steps — see the full troubleshooting guide above. If these steps don't resolve the error, contact a professional.
How do I know if my oven has error F3?
Besides the error code on the display, common signs include: Oven will not heat at all; Display shows temperature but oven stays cold; F3 appears during self-clean. If you notice any of these symptoms, check your oven's display panel for error code F3.
How much does it cost to fix Kenmore F3?
Repair costs for Kenmore F3 typically range from $50 to $175 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.