Frigidaire Range F30 — What It Means & How to Fix It
F30 is Frigidaire's open-probe code: the oven temperature sensor circuit reads as open, so the control can't trust its temperature reading. A 30-second reset at the outlet or breaker is the official first step.
What this code means
F30 is the open-probe error: the temperature probe circuit in the oven reads as open — as if the wire were cut — so the control board has no trusted temperature signal and stops normal heating. Frigidaire's official guide responds with a reset first: unplug the unit for 30 seconds and plug it back in, or flip the circuit breaker at the fuse box if the unit can't be unplugged (noting that this resets everything on the same circuit). If the code survives the reset, the probe, its harness, or the connector has genuinely failed.
Frigidaire's oven error guide pairs F30 with the open-probe meaning and leads with the 30-second unplug or breaker reset, including the note that a breaker reset affects the whole circuit. The model number is on the frame behind the storage drawer or the lower oven door frame.
Most likely causes
| Cause | How likely | DIY-fixable? |
|---|---|---|
| One-off false reading after a power event | Very common | Yes — 30-second reset |
| Oven temperature probe failed open | Common | No — technician job |
| Loose or corroded probe connector at the rear of the cavity | Occasional | Partly — inspect only |
| Probe wiring chafed against the oven cabinet | Less common | No — technician job |
What you can try yourself
- Unplug the range for 30 seconds and plug it back in — or flip the circuit breaker at the fuse box if the unit can't be unplugged (this resets everything else on that circuit).
- Restart the oven and see whether F30 clears or returns.
- If you can safely reach the probe connector at the back of the cavity, check it is clean, dry, and fully seated.
- Leave the rear panel to a technician — a recurring F30 needs a resistance check of the probe and its wiring before any part is bought.
When to call a technician
- F30 returns immediately after the 30-second reset.
- The oven refuses to preheat, or heats erratically when it does run.
- The display alternates between F30 and other temperature codes.
Typical professional repair cost: No cost if the reset clears it; oven temperature probe replacement typically runs $120–$300 including labor.
Frequently asked questions
What does 'open probe' mean?
The oven temperature sensor is a resistor the control reads to judge heat. 'Open' means the circuit measures as broken — infinite resistance — so the board has no temperature signal and displays F30 instead of heating blindly.
Why does unplugging fix F30 sometimes?
Power events can leave the control holding a bad reading, or a marginal connection can snap the circuit momentarily. Dropping power for 30 seconds clears that state, which is exactly why Frigidaire's own guide starts there.
Does a breaker reset affect anything else?
Yes — Frigidaire notes the breaker will reset everything on the same circuit. If that circuit also feeds a fridge or other appliances, unplugging the range alone avoids the trade-off.
Sources checked
Error meanings can vary by model. This guide was checked against the documentation above; use the manual for the model number on your own appliance when it differs.
Related Frigidaire codes
- Frigidaire Range F10 F10 is Frigidaire's thermal-runaway safety alert: the oven detected higher-than-normal temperatures and stopped normal heating to protect itself. Cool it down, check the Pizza Shield on stone-baked models, then reset.
- Frigidaire Range F90 F90 through F94 is Frigidaire's door-lock message: the oven door and controls have locked and no cooking functions respond. Press UNLOCK, follow the screen, and a 30-second power reset clears most false codes.
- Frigidaire Dishwasher i20 The unit didn't drain properly — Frigidaire's filters and glass trap clog like any brand's, and the drain hose and disposal connection make up the rest of the usual story.
- Frigidaire Dishwasher i40 Food soil has built up in the sump and filter to the point water can't circulate freely, and Frigidaire's own remedy is to pull the glass trap and filter and rinse them clean.
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