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LG Ranges Repair

Ranges Repair, Done Right the First Time

LG sells gas, electric and induction ranges in the US, and all three read out the same kind of code - a plain numeric F followed by one or two digits - which puts LG range troubleshooting in a different world from LG's laundry and dishwasher codes.

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An LG range puts a cooktop and an oven on one frame, usually under one control board, which means a single failed part can show up as a problem in both places at once. The lineup covers gas, electric and induction versions, and while the fuel type changes the cooktop side considerably, all three report faults through the same numeric F-code scheme – a genuinely different vocabulary from anything LG’s washers, dryers or dishwashers use.

On gas ranges we check the igniters, the burner valves and the oven’s gas safety valve; on electric and induction ranges we test the elements or induction boards, the switches and the temperature sensor. Because the cooktop and oven usually run off the same control, we look at both in one visit rather than treating a cooktop complaint and an oven complaint as unrelated calls.

Work on the gas side follows the safety steps that kind of work requires, starting with confirming the supply is off before anything is disconnected, and we test the part an F-code points at rather than replacing it because the number matches a name on a parts list.

Common Ranges Problems

01

Oven side heating slowly, or never reaching the set temperature

02

Gas burner clicking repeatedly without lighting

03

Electric or induction element not heating, or staying on regardless of the setting

04

An F-number code on the display that returns after the range is reset

05

Self-clean cycle not finishing, or the door staying locked afterward

06

Smell of gas near the range

Ranges Error Codes

Recognize a code on your display? Look it up before you unplug anything or attempt a repair.

F36 (Transistor Error)

LG Range F36 Error Code

F1, F2 (Upper Oven Thermistor Error)

LG Range F1 / F2 Error Code

F38 (Communication Error - Main Board / Inverter)

LG Range F38 Error Code

F3 (Touch Pad Sensor Key Error)

LG Range F3 Error Code

F42 (Voltage Error)

LG Range F42 Error Code

F4, F5 (Lower Oven Thermistor Error)

LG Range F4 / F5 Error Code

F45, F46 (Fan Error)

LG Range F45 / F46 Error Code

F6 (Upper Oven Heating Error)

LG Range F6 Error Code

PF (Power Interrupted)

LG Range PF Notification (Not a Fault)

F7 (Upper Convection Fan Error)

LG Range F7 Error Code

Sb, 5b (Sabbath Mode)

LG Range Sb Indicator (Not a Fault)

F8, F18 (Oven Meat Probe Error)

LG Range F8 / F18 Error Code

See all Error Codes →

Popular LG Ranges Models

LG LDG3016ST

Model # LDG3016ST

LG LSGL5831F

Model # LSGL5831F

LG LDG3035SB

Model # LDG3035SB

LG LSGS6338F

Model # LSGS6338F

LG LDGL6924S

Model # LDGL6924S

LG LSIL6332FE

Model # LSIL6332FE

Why Trust Us With Your LG Ranges

  • Trained on LG ranges control systems and diagnostics.
  • Genuine OEM parts stocked for the most common failures.
  • Upfront flat-rate pricing, approved by you before we start.
  • 30-day workmanship warranty on every repair. Parts may carry the manufacturer's warranty where applicable.
FAQ

Ranges Repair FAQ

Leave the range off, avoid flipping any light switches or lighting anything nearby, and get everyone out of the house before calling your gas utility or 911 from outside. Once the gas company or emergency responders confirm it is safe to go back in, we can diagnose the range itself.

LG uses a single numeric scheme across its ranges - F1 through F69 are all listed in LG's own documentation, split by whether the range is electric, gas or has a radiant cooktop. That is a different vocabulary entirely from the letter codes on LG's washers and dishwashers, so an F-number here has nothing to do with a similarly-numbered message on a different appliance in the house.

No. LG specifically documents HS as an indication that the cooktop surface is still above about 150 degrees Fahrenheit, not as an error - it is telling you the surface is too hot to touch safely, and it clears on its own once the surface cools. Treat it as a hot-surface warning rather than something to book a repair for.

Hold off. A self-clean cycle runs the oven at its highest temperature for an extended period, which puts real stress on the elements, the temperature sensor and the door lock - parts that may already be part of the problem. Have the fault diagnosed first, and run self-clean once it is confirmed the range is heating and locking normally.

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