Delta VFD-L series User Manual page 69

Error message
Illegal command code:
1 The command code received in the command message is not available for
the AC drive.
Illegal data address:
2 The data address received in the command message is not available for the
AC drive.
Illegal data value:
3 The data value received in the command message is not available for the
AC drive.
Slave device failure:
4
The AC drive is unable to perform the requested action.
5 Reserved
AC drive busy:
The time interval between commands is too short. Please keep an interval
6
of 10ms at least after the return of a command. If no command returned,
please keep a 10ms interval at least for the same reason.
7 Reserved
8 Reserved
Check Sum Error
9
Check if the Check Sum is correct.
Watchdog Timer
10
The timer will reset to 0 after each valid Modbus communication message is
received.
Frame Error:
11
Check if the Baud rate comply with the data format.
12 The command message is too short.
13 Command message length is out of range.
The command messages include the data that does not belong to '0' to '9',
14
'A' to 'F except starting and end character (only for Modbus ASCII mode).
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Meaning
5-51
VFD-L Series
5