On Frigidaire and Electrolux ranges, F10 means a runaway temperature condition, F11 a shorted keypad, F30 and F31 an oven temperature sensor circuit fault, and F90/F91 a door-lock problem, usually around self-clean. If the oven heats by itself or won't shut off (F10), switch off the breaker. Other codes may clear after a breaker reset; if they return, call a technician.
| Code | What it means | What you can do |
|---|---|---|
| F10 | Runaway temperature — oven heating when it shouldn't | Turn the breaker off and call for repair. |
| F11 | Shorted keypad | Breaker reset; repeats need the keypad or control. |
| F30 / F31 | Oven temperature sensor circuit open or shorted (exact meaning varies by model) | Technician repair (sensor or wiring). |
| F90 | Door lock didn't complete its cycle | Let it cool, reset the breaker; repeats need the lock. |
| F91 | Meaning varies by model — sources give different definitions (door lock communication or circuit) | Model-specific: a technician visit is needed to find the exact cause. |
Codes and their meaning can vary by model and production year, and the same code can have different causes. Where sources disagree we say so; in every case the exact cause is confirmed only by a technician's on-site diagnosis. Your owner's manual has the definitive list for your model.
Unplug the appliance (or switch off its breaker) before touching anything inside it, and never open a sealed refrigeration system, a gas valve or a microwave. If a code points to a part, the part has to be tested before it is replaced; we do that on the $75 diagnostic visit, credited toward the repair.
A runaway temperature condition. Turn the breaker off and have it serviced.
A problem in the oven temperature sensor circuit.
Many models do; your manual has the exact list.
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Call (702) 744-2944 or book online. The in-home diagnostic is $75 and is credited toward the repair. We serve the whole Las Vegas Valley.
A 38-year-old Sub-Zero 500 Series freezer most companies would have written off: we replaced the compressor, evaporator, heat exchanger and drier with OEM parts and retrofitted it from R12 to a modern refrigerant.
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