LG LSGL6335F Repair Guide
A slide in gas range with LG’s InstaView glass door and air fry. The InstaView panel adds a door light board that can fail on its own without affecting cooking at all.
LG LSGL6335F is a gas slide in range, instaview, air fry oven & range sold 2021 to present. Its most common repair is oven slow to light or will not light, usually $180 to $360.
- 5 common problems with causes, fixes and costs below.
- 4 error codes decoded.
- An oven & range like this lasts about 15 to 20 years.
- Check the model and serial tag before you order any part.
Common problems & typical repair costs
| Problem | Likely cause | Typical fix | OEM part # | Typical cost |
|---|---|---|---|---|
| Oven slow to light or will not light | Hot surface igniter degraded | Replace igniter | not listed | $180 to $360 |
| InstaView window stays dark | Door light board or knock sensor | Replace the door display board | not listed | $180 to $400 |
| Oven fails to reach temperature | Sensor, igniter or safety valve | Measure igniter current and sensor resistance before ordering | not listed | $150 to $430 |
| Surface burner will not stay lit | Dirty burner head or flame sensing fault | Clean burner. Replace assembly if it persists | not listed | $140 to $320 |
| Control panel unresponsive | Board or touch panel fault | Replace as diagnosed | not listed | $260 to $530 |
Costs are national averages for professional repair (parts + labor). See the linked cost guides below for full breakdowns.
Error codes
| Code | What it means |
|---|---|
| F9 | Oven not reaching temperature in the expected time |
| F1 | Oven temperature sensor fault |
| F19 | Control board fault |
| F3 | Key stuck on the control panel |
Tech notes
F9 means the oven failed to reach temperature within the expected time, on a gas range that is the igniter, the safety valve or the sensor, and igniter current measurement is the fastest way to split them.
Sources
Where the safety, regulatory and warranty claims on this page come from. Repair costs are our own figures based on Arizona market rates and OEM parts pricing.
- Carbon Monoxide Safety Guide U.S. Consumer Product Safety Commission Carbon monoxide risk from gas cooking and heating appliances.
Cost guides for this machine’s common repairs
DIY step by step instructions for this model
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