F31Serious
Samsung Oven/Range F31 Error Code
The oven temperature sensor has failed and caused a high-limit condition.
Common causes
- Faulty temperature sensor
- Control board fault
How to fix it
- Unplug range and cool down.
- Test sensor resistance; replace if out of spec.
⚠ When to call a pro: If sensor passes tests but code recurs, replace control board.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.