7. Interfaces and Communication   
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AC drive fault description
AC Drive 
Fault Address
AC Drive Fault Information
8000 0000: No fault
0001: Reserved 
0002 Overcurrent during 
acceleration
0003: Overcurrent during 
deceleration
0004: Overcurrent at constant 
speed
0005: Overvoltage during 
acceleration
0006: Overvoltage during 
deceleration
0007: Overvoltage at constant 
speed
0008: Buffer resistor overload
0009: Undervoltage
000A: AC drive overload
000B: Motor overload
000C: Power input phase loss
000D: Power output phase loss 
000E: Module overheat
000F: External fault
0010: Communication fault
0011: Contactor fault
0012: Current detection fault
0013: Motor auto-tuning fault
0014: Encoder/PG card fault
0015: Parameter read and write fault
0016: AC drive hardware fault
0017: Motor short circuited to ground
0018: Reserved
0019: Reserved
001A: Accumulative running time reached
001B:  User-dened fault 1
001C:  User-dened fault 2 
001D: Accumulative power-on time 
reached
001E: Load lost
001F: PID feedback lost during running
0028: Fast current limit timeout
0029: Motor switchover error during 
running
002A: Too large speed deviation
002B: Motor over-speed
002D: Motor overheat
005A: Incorrect setting of PPR of the 
encoder
005B: Not connecting the encoder
005C: Initial position error
005E: Speed feedback error
7.5.5  Group Fd Communication Parameter Description
Function Code Parameter Name Setting Range Default
Fd-00 Baud rate Units position (Modubs)
0: 300 bps
1: 600 bps
2: 1200 bps
3: 2400 bps
4: 4800 bps
5: 9600 bps
6: 19200 bps
7: 38400 bps
8: 57600 bps
9: 115200 bps
5005