LG Oven Error Code F11

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: July 19, 2026

⚠ High Severity 🔧🔧🔧 Advanced DIY

Heat error — oven failed to reach temperature in time

The most common cause of the F11 error on a LG oven is weak/failed igniter (gas models) (~40% of cases); start with: power cycle.

💰 DIY cost: $25–$90 👨‍🔧 Pro cost: $200–$420 Save $175+ by doing it yourself

LG Oven error code F11 on the display panel — How the F11 code appears on a LG oven display

What Does Error Code F11 Mean on a LG Oven?

Heat error — oven failed to reach temperature in time.

F11 is a preheat timeout: the control monitors the temperature sensor during startup and expects the cavity to climb toward roughly 150°F within about five minutes. If that rate isn't met, it assumes the heat source or feedback path is faulty and aborts. Unlike sensor-specific faults, F11 flags the outcome (no heat rise) rather than a shorted or open sensor reading, so a weak gas igniter, dead element, or a control that never energized the circuit can all trigger it.

Models affected: LG electric ranges such as the LREL6325F and gas ranges such as the LRGL5825F, plus related LRE/LSE and LRG/LSG series

What owners report: Owners commonly report F11 appearing a few minutes into preheat, sometimes after the oven has been sluggish to heat for a while. A single slow ignition can throw a one-off code that clears on a power cycle, but a code that returns each cycle usually points to a genuinely weak igniter or failed element rather than a false trigger.

What Causes Error Code F11?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

1

Weak/failed igniter (gas models) 40% of cases
2

Temperature sensor failure 25% of cases
3

Bake/broil element failure (electric) 20% of cases
4

Control board fault 15% of cases

How to Fix LG Oven Error Code F11

🔧🔧🔧 Advanced DIY Est. time: 1–3 hours

⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.

1

Power cycle

Turn off the breaker for 5 minutes. A transient F11 from a one-time slow ignition may clear.
2

Test the temperature sensor

At room temperature the sensor should read ~1,080 ohms. Open or out-of-spec = replace.

🔩 Multimeter 🔩 LG oven temperature sensor ($25–$55)
3

Inspect the igniter (gas)

Watch ignition — a glow igniter that's dim/orange and slow to light the burner is failing.

🔩 LG oven igniter ($40–$90)

⚠️ Allow oven to cool and shut off gas before servicing the igniter.
4

Inspect the element (electric)

Check the bake element for breaks or no continuity.

🔩 LG bake element ($30–$70)

How to Reset Error Code F11

Power off at the breaker for 5 minutes and retry a bake cycle. If F11 returns during preheat, test the sensor/igniter.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

Symptom guide: Oven not heating →

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When to Call a Professional

If the sensor and igniter/element all test good but F11 persists, the control board has failed.

Average professional repair cost for this issue: $200–$420

Related Error Codes

Oven temperature sensor open circuit

⚠ High Severity

F19

Temperature sensor error — sensor or wiring fault

⚠ High Severity

Same Code on Other Brands

Error code F11 appears on these other brands too. See every brand that shows F11 →

Frigidaire Oven F11

Shorted key — button stuck or shorted

Miele Washing Machine F11

Pump fault — water not draining

Miele Dishwasher F11

Drainage fault — water not pumped out

Electrolux Oven F11

Shorted keypad key detected

Find Replacement Parts

Use these links to find the exact replacement parts for your LG Oven:

Step-by-step video guides

External links — ApplianceErrors.com is not affiliated with these retailers.

More LG Oven Error Codes

HS Hot Surface indicator — surface still hot (not a fault) PF Power failure — unit lost power during operation (not a fault) Sb Sabbath Mode active — controls intentionally disabled (not a fault) F2 Oven over-temperature — exceeded maximum safe temperature F3 Oven temperature sensor short circuit F5 Door latch failure during self-clean cycle

Frequently Asked Questions

Can I keep using my LG Oven when error F11 appears? +

It is not advisable. The oven may still power on, but running it while F11 is active can worsen the heating fault or damage related parts. Treat it as a soon-as-possible repair.

What most commonly causes F11 on a LG Oven? +

Across reported LG oven repairs, the most frequent is weak/failed igniter (gas models) (40% of cases), temperature sensor failure (25%), then bake/broil element failure (electric) (20%). Check them in that order before replacing any parts.

F11 keeps coming back after a reset — what should I check next? +

A reset only clears the stored F11 fault; if it returns, the heating problem is still present. Move on to the physical checks — power cycle, then test the temperature sensor — since the code will reappear until the root cause is resolved. This is an advanced repair involving deeper disassembly or electrical testing.

How much does it cost to fix LG Oven error F11? +

A DIY repair typically runs $25–$90 in parts, versus $200–$420 for a professional service call, so handling it yourself saves around $175. Expect the work to take 1–3 hours.

Which LG Oven models show error F11? +

F11 is documented on LG electric ranges such as the LREL6325F and gas ranges such as the LRGL5825F, plus related LRE/LSE and LRG/LSG series. Other units sharing the same control platform can display it too, so the fixes here generally transfer across the series.

Sources & References

• LG Support — Help Library — official manufacturer documentation
• Our editorial & verification policy

Content verified against manufacturer service documentation. Last verified: July 19, 2026.

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