Hitachi EH-150 Applications Manual page 131

Response task code
Function
Indicates that the requested task code was not executed because another task code was being executed.
(Note) Create a program so that transmission is retried from a request task code when BUSY is returned.
Format
H05 (a)
Response task code
Function
Indicates that a communication error has occurred.
Format
H08 (a)
(a) Task code requested for execution
(b) The network address that detected the error
Description
Indicates that there was a communication error or the designated destination address does not exist.
H05
H08 Network error
(b)
Appendix B Task Codes Specifications
BUSY
(a) Task code that requested the execution
B-6
Classification Response
Classification Response