0: No fault
4: Overcurrent during acceleration (OC1)
5: Overcurrent during deceleration (OC2)
6: Overcurrent during constant speed running
(OC3)
7: Overvoltage during acceleration (OV1)
8: Overvoltage during deceleration (OV2)
9: Overvoltage during constant speed running
(OV3)
10: Bus undervoltage (UV)
11: Motor overload (OL1)
12: VFD overload (OL2)
15: Rectifier module overheat (OH1)
16: Inverter module overheat (OH2)
17: External fault(EF)
18: RS485 communication fault (CE)
21: EEPROM operation fault (EEP)
22: PID feedback offline fault (PIDE)
24: Running time reached (END)
25: Electronic overload fault (OL3)
36: Electronic underload fault (LL)