What does each error code mean F4 -F16 on whirlpool duet washing machine?

The error codes F4 to F16 on a Whirlpool Duet washing machine indicate various issues. F4 typically signifies a door lock problem, while F5 indicates a door switch issue. F6 often refers to a motor control error, and F7 indicates a communication error between the control board and the motor control. Other codes like F8 to F16 can denote problems ranging from water temperature issues to drain errors. For specific troubleshooting, it's best to consult the user manual or manufacturer guidelines.