Issue:
tLOF error or Drive overload error.
Product Line:
ATV630 and ATV930 Drives
Environment:
All
Cause:
- Ambient temperature too high.
- Bad cooling.
- Filter blocked.
- Check the ventilation.
- Function of fans faulty.
Resolution:
- Verify the size of the load/motor/drive according to environment conditions.
- Check the ventilation of the inverter and the ambient.
- Verify the settings of the [Drive Overload Monit] tLOL parameter.
