The Whirlpool Duet Dryer F01 Error Code indicates a communication error between the main control board and the user interface. If your dryer displays this error, it may not operate until the issue is resolved. This guide provides a comprehensive step-by-step process to diagnose and fix the F01 error. You'll learn how to check the control board for signs of damage, test connections, and determine if a replacement is needed. This troubleshooting guide is perfect for homeowners looking to save on repair costs by fixing their dryer themselves.