F01Serious
LG Dryer F01 Error Code
The main control board has lost communication with other components or itself, often requiring board replacement.
Common causes
- Faulty main control board
- Loose harness connections
- Power surge or electrical issue
How to fix it
- Unplug the dryer for 10 minutes to reset the control board.
- Check and reseat all harness connectors on the main board.
- If the error persists, the board likely needs replacement.
⚠ When to call a pro: Call a technician if resetting and reseating connectors do not clear the error.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.