Cause : Output Phase Loss comes when an open-phase occurred at the Inverter output. This fault is detected when L8-07 is set to 1 or 2.

1. There is a broken wire in the output cable. 
2. There is a broken wire in the motor- winding.
3. The output terminals are loose.
4. Reset the fault after correcting its cause.
5. The motor being used has a capacity less than 5% of the rated output current.
6. Check the motor and Inverter capacity.