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Frigidaire·Ovenmedium severity
Frigidaire Oven Error Code F31
Shorted oven temperature sensor
Common Causes
- 1Sensor probe shorted
- 2Wiring insulation melted
- 3Moisture in connector
Step-by-Step Troubleshooting
- 1
Unplug range and test sensor resistance — should be ~1080 ohms at room temp
- 2
If reading near 0 ohms, the sensor element itself is shorted
- 3
Check wiring for melted insulation where it passes through oven cavity wall
- 4
If sensor reads normal when disconnected from wiring, the harness has a short to ground
Pro Diagnostic Tip
A shorted sensor makes the board read falsely high temp, so the oven may refuse to heat or shut off immediately. Disconnect sensor and measure — if normal, the wiring is the problem.
You Might Also Notice
- •Oven shuts off immediately after starting
- •Erratic temperature display
- •Oven acts like it is at max temp when cold
Parts, Cost & Difficulty
Repair Difficulty
Moderate — Some Experience NeededEstimated Repair Cost
$50–$175
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
316490000 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 F31 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 Frigidaire error code F31 mean?
Frigidaire error code F31 indicates: Shorted oven temperature sensor. This is a medium-severity issue affecting your oven.
How do I fix Frigidaire error code F31?
Unplug range and test sensor resistance — should be ~1080 ohms at room temp Then, If reading near 0 ohms, the sensor element itself is shorted Then, Check wiring for melted insulation where it passes through oven cavity wall 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 F31?
Besides the error code on the display, common signs include: Oven shuts off immediately after starting; Erratic temperature display; Oven acts like it is at max temp when cold. If you notice any of these symptoms, check your oven's display panel for error code F31.
How much does it cost to fix Frigidaire F31?
Repair costs for Frigidaire F31 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.