LG Dryer Error Code F1: How to Fix It

Q: What causes LG dryer F1 error code?

The F1 error is caused by a malfunctioning thermistor in the exhaust duct, which can be due to a faulty sensor, loose wiring connections, or excessive heat from blocked exhaust ducts causing the thermistor to fail.

Q: Can I reset the F1 error on my LG dryer?

You can try unplugging the dryer for 5 minutes to reset the control board, but the F1 error will return if the underlying thermistor problem isn't fixed. The error requires proper diagnosis and repair.

Q: How much does it cost to fix LG dryer F1 error?

A replacement thermistor typically costs $15-30, making this an affordable DIY repair. Professional repair costs range from $100-200 including parts and labor.

Q: Is it safe to use my LG dryer with F1 error?

No, never use your dryer with the F1 error showing. This error indicates a temperature monitoring failure, which could lead to overheating and potential fire hazards. The dryer should not operate until repaired.

Q: How do I prevent F1 error from happening again?

Prevent future F1 errors by cleaning your exhaust duct system annually, replacing the lint filter regularly, and ensuring proper ventilation. Regular maintenance prevents overheating that can damage the thermistor.

Abstract

The F1 error code on your LG dryer indicates an open or shorted thermistor in the exhaust duct temperature sensor. This safety feature prevents overheating by monitoring exhaust air temperature, and when it malfunctions, your dryer will stop operating to prevent damage.