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Kenmore·Ovenmedium severity
Kenmore 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
- 2
Locate sensor connector and test resistance — should be ~1080 ohms at room temp
- 3
If infinite (open), replace the sensor
- 4
If resistance is normal, check wiring to board
Parts, Cost & Difficulty
Repair Difficulty
Moderate — Some Experience NeededEstimated Repair Cost
$50–$175
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
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.
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 Then, Locate sensor connector and test resistance — should be ~1080 ohms at room temp Then, If infinite (open), replace the sensor There are 1 more steps — see the full troubleshooting guide above. If these steps don't resolve the error, contact a professional.
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.