Yaskawa VS-616G5 Modbus Plus Communication Card - Manual (Page 43)

Diagnostics and Troubleshooting 8-3
MSTR Error Codes
If an error occurs during an MSTR operation, a hexadecimal error code will be displayed in the
second register of the control block (the top section). The form of the code is Mmss, where:
??
M represents the major code
??
m represents the minor code
??
ss represents a subcode
A list of error codes appears in the following table.
Error Code (Hex) DEFINITION
1001 User-initiated abort
2001 Invalid operation type
2002 User parameter changed
2003 Invalid length
2004 Invalid offset
2005 Invalid length + offset
2006 Invalid slave device data area
2007 Invalid slave device network area
2008 Invalid slave device network routing
2009 Route equal to your own address
200A Attempting to obtain more global data words than available
30ss Modbus slave exception response
ss DEFINITION
01 Slave device does not support the requested operation
02 Nonexistent slave device registers requested
03 Invalid data value requested
04 Unassigned
05 Slave has accepted long-duration program command
06 Function cannot be performed - a long duration command is in effect
08-FF Unassigned
4001 Inconsistent Modbus slave response
5001 Inconsistent network response
6mss Routing failure
m DEFINITION
0 or 1 Routing register 1 (local network)
2 Routing register 2
3 Routing register 3
4 Routing register 4
5 Routing register 5
ss DEFINITION
01 No response received
02 Program access denied
03 Node off-line and unable to communicate
04 Exception response received
05 Router node data paths busy
06 Slave device down
07 Bad destination address
08 Invalid node type in routing path
10 Slave has rejected the command
20 Initiated transaction forgotten by slave device
40 Unexpected master output path received
80 Unexpected response received