Omron SYSDRIVE 3G3MV User Manual page 224

Communications
Inverter Status 2 (Register 002E Hex)
D
Bit No.
0
1 to 15
D Communications Error (Register 003D Hex)
Bit No.
0
1
2
3
4
5
6
7 to 15
7-30
Frequency reference loss
Not used.
CRC error (1: Error)
Data length error (1: Error)
Not used
Parity error (1: Error)
Overrun error (1: Error)
Framing error (1: Error)
Communications time-over (1: Error)
Not used
Function
Function
Chapter 7