F15Serious
LG Dryer F15 Error Code
The control board has an internal communication error, often due to a power surge or component failure.
Common causes
- Power surge or lightning strike
- Faulty control board
- Loose ribbon cable to display
How to fix it
- Unplug the dryer for 10 minutes to reset.
- Check the ribbon cable between the main board and display for secure connection.
- If the error persists, replace the main control board.
⚠ When to call a pro: Call a technician if resetting does not work, as the board likely needs replacement.
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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.