LG LRGL5825F Repair Guide
LG’s popular gas range with convection and Air Fry. Gas burner base with a glow-bar oven and LG’s F-code diagnostics — service splits between the two gas classics (igniter, burner hygiene) and the electronics head.
Common problems & typical repair costs
| Problem | Likely cause | Typical fix | OEM part # | Typical cost |
|---|---|---|---|---|
| Oven slow to light | Igniter weakening | Replace igniter | — | $150–$300 |
| F9 | Failed to reach temp — igniter circuit | Diagnose igniter/valve | — | $150–$320 |
| Burner clicks forever | Wet/dirty electrode | Clean and dry | — | $0–$120 |
| F11 | Board communication | Harness; board | — | $150–$450 |
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 | Failure to heat |
| F11 | Communication fault |
| F2 | Stuck key |
Tech notes
F9 on a gas LG almost always resolves to the igniter — the code fires when the oven can’t gain temperature fast enough, which is the weak-igniter signature.
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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