LG

All LG Oven/Range Error Codes

Every known LG oven/range error code with plain-English explanations, difficulty ratings, and step-by-step DIY fix guides.

32 error codes

F1

The oven temperature sensor circuit is open (no continuity).

Moderate Fix 30–60 minutes
F11

The main control board and display board have lost communication.

Advanced Fix 30–60 minutes
F19

The door lock motor wiring is reversed, causing the motor to run in the wrong direction.

Moderate Fix 20–40 minutes
F2

The oven has overheated beyond its safety threshold.

Advanced Fix 30–60 minutes
F3

The oven temperature sensor has a short circuit.

Moderate Fix 30–60 minutes
F5

The oven relay control board has malfunctioned.

Advanced Fix 30–60 minutes
F6

The broil element or its relay circuit has failed.

Advanced Fix 45–90 minutes
F7

A key on the oven touchpad is stuck or shorted.

Moderate Fix 20–45 minutes
F9

The oven door lock motor failed to lock or unlock the door.

Moderate Fix 30–60 minutes
tCL

The oven is displaying a self-clean or vent cleaning reminder.

Easy Fix 10–20 minutes (to clear) + self-clean cycle time
F0

The oven temperature sensor has an open circuit.

Moderate Repair 20–40 minutes
F4

The lower oven temperature sensor is shorted.

Moderate Repair 20–40 minutes
F8

A control panel key is stuck or the meat probe sensor has an error.

Moderate Repair 15–30 minutes
F10

The upper oven door lock mechanism has failed to lock or unlock.

Moderate Repair 20–45 minutes
F12

The oven failed to reach 150 degrees F within 5 minutes of preheating.

Advanced Fix 30–60 minutes
F16

A general oven sensor issue has been detected.

Moderate Repair 20–40 minutes
F17

The convection fan is not operating during a convection cooking cycle.

Moderate Repair 30–60 minutes
F18

The meat probe is detecting incorrect temperatures or has a wiring issue.

Moderate Repair 10–20 minutes
F20

The lower oven door lock mechanism has failed.

Moderate Repair 20–45 minutes
F27

The cooling fan stopped working during a self-clean cycle.

Moderate Repair 20–40 minutes
F33

A front induction burner temperature sensor is reading incorrectly.

Moderate Repair 15–30 minutes
F36

The induction burner transistor module has detected a fault.

Advanced Fix 30–60 minutes
F38

Communication failed between the main control board and the induction inverter.

Advanced Fix 30–60 minutes
F42

The range has detected an abnormal supply voltage.

Moderate Repair 10–30 minutes
F62

The sous vide cooking function temperature sensor is malfunctioning.

Moderate Repair 20–40 minutes
F69

The sous vide function is not reaching or maintaining the correct temperature.

Moderate Repair 15–30 minutes
H5

The cooktop surface temperature exceeds 150 degrees F after a burner has been turned off.

Easy Fix Varies (wait for cooling)
PF

The oven detected a power interruption during operation.

Easy Fix 1 minute
5b

The oven is in Sabbath Mode, which restricts certain functions for religious observance.

Easy Fix 1 minute
F21

The upper oven convection fan is not running or running incorrectly.

Advanced 30–60 minutes
CF7

Communication failure at the left control module.

Advanced 30–45 minutes
CFA

Excessive electrical current detected in the oven's circuits.

Professional 45–60 minutes