Written by
Maya Chen Editorial TeamPublished October 20, 2026
Error codeF38
ApplianceRange
Quick answer
LG lists F38 as a communication error between the main board and inverter. The manual asks for a circuit breaker reset of 30 seconds.
Model compatibility: LG reuses codes across series and model years, so F38 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
F38 means a communication error between the main board and inverter on LG ranges and ovens.
The LG range control uses F38 for a communication error between the main board and inverter.
The reset LG recommends
Cut power to the unit at the circuit breaker.
Give it 30 seconds with the power off.
Turn the breaker on and check the display.
When the fault persists, LG’s answer is to schedule service for the unit.
Models covered
The same table entry applies to LG ranges and ovens in the same family.
Related codes
Also worth a look: F36 (transistor error), F42 (voltage error) and F33 (front induction burner temperature sensor error).
LG range service in Los Angeles
LG range service in Los Angeles starts with a call to (310) 742-8008. Details are under LG range repair. Keep the model number, the F38 code and the reset you tried at hand.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your LG appliance?
Book a specialist visit for a clear estimate and approval before any repair.
