F150 fault in WEG CFW900 Drive

F150 fault in WEG CFW900 Drive indicates a Motor Overspeed. This means the motor’s actual speed has exceeded the maximum programmed safety limit, potentially due to a loss of load control.
Cause:

Overspeed fault.

  • Incorrect setting of C3.3.2.1.2 and/or C3.3.2.1.3.
  • Crane-type load trips.

Note: Activated when the actual speed exceeds the value of C4.3.1.1.2 x (100 % + C7.7.1) for more than 20 ms.

Remedy:

Verify parameter configurations for C3.3.2.1.2 and C3.3.2.1.3. For hoisting/crane applications, ensure proper load control and braking logic.