F0072 fault in WEG CFW701 Drive indicates a Motor Overload. This means the calculated motor temperature model exceeded safe limits due to sustained excessive load.
Cause:
- The settings of parameters P0156, P0157, and P0158 are too low for the used motor.
- There is excessive load at the motor shaft.
Note: This fault can be disabled by setting parameter P0348 = 0 or 3.
Remedy:
Verify motor rated currents and adjust parameters P0156, P0157, and P0158. Check mechanical load on shaft. Setting parameter P0348 to 0 or 3 disables this fault.