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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
This 790-prefix Whirlpool-built Kenmore reads oven temperature off an RTD probe, and an open reading here usually traces to that probe cooking out during a self-clean, where cavity heat tops nine hundred degrees. It is common on ranges past about five years; reseat the rear connector first, then meter the probe near eleven-hundred ohms cold before replacing it.
You Might Also Notice
- •The oven putting out no heat at all
- •The display showing a temperature while the cavity stays cold
- •The fault surfacing during a 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 $3,000+ 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.
Let a Licensed Pro Handle ItOr call for a free consultation (415) 795-7300Available 24/7 — call or text
Licensed & Insured · 90-Day Warranty · Same-Day Service
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: The oven putting out no heat at all; The display showing a temperature while the cavity stays cold; The fault surfacing during a 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.
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