Underload fault

Was bedeutet F029 ?

This fault is detected when the motor current drops below the Application Underload threshold (211) for a duration longer than the Application underload time delay (210). This condition indicates that the motor is running with insufficient load, and detection is active only during steady-state operation.

• Motor current undershoots the Application Underload threshold (211).
• The application underload condition persists longer than the Application underload time delay (210).
• Loss of mechanical load on the motor (e.g., broken belt, dry pump, material shortage in a conveyor).
• Application Underload threshold (211) is set too high, or Application underload time delay (210) is set too short for the application.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Verify the actual motor current during operation and compare it to the Application Underload threshold (211).

2. 2

   Inspect the mechanical system for any issues causing a loss of load, such as broken couplings, empty feeders, or fluid loss in pumping applications.

3. 3

   Adjust the Application Underload threshold (211) (20% to 100% of 305 parameter) and Application underload time delay (210) (0 to 100s) to suit the application's normal operating conditions, if current settings are too sensitive.

4. 4

   Ensure that underload detection is configured correctly, noting that a value of 0 for parameter 210 disables this feature.