LG oven range not reaching temperature: F9, igniter, element and sensor checks
The LG oven runs but takes too long to heat, never reaches the set temperature, or displays a heating fault code.
Solutions
Ovens & ranges
1 procedures · 5 codesElectric, gas and ProBake. Temperature sensors, igniters, touch panels.
Error codes
Ovens & ranges
Showing 5 / 5 codes
| Code | Meaning | First check | Procedure |
|---|---|---|---|
| F1OV | MeaningOven temperature sensor open: the control has lost its feedback.Service call likely | First checkSensor resistance at room temperature: roughly 1,080 Ω is healthy on most LG ovens. | · |
| F3OV | MeaningOven temperature sensor shorted.Service call likely | First checkCheck where the sensor lead passes the liner: a pinched lead shorts against the case. | · |
| F9OV | MeaningOven did not reach temperature: heating or ignition failure.Service call likely | First checkGas models: watch the igniter glow. If it glows but never lights, the igniter is weak. | · |
| F11OV | MeaningStuck key: the touch panel reports a button held down.User-fixable | First checkClean around every key and let the panel cool; heat swell from the door vent causes it. | · |
| LOCOV | MeaningControl lock is engaged, not a fault.Informational | First checkHold the Lock (or Clear/Off) key for three seconds to release. | · |
No code matches that search.
Codes vary by model year and platform. Always confirm against the manual for your exact model number before ordering parts.