DNP3 Error Codes

Error code (Decimal)	Error code (Hex)	Meaning
0	0x000	No Error
257	0x101	Serial Port Parameter(s) Out of Range
258	0x102	Serial Port Not Active
259	0x103	TCP/IP Port Failed to Connect
260	0x104	TCP/IP Port Disconnected
261	0x105	Serial Port Already in Use
262	0x106	Communication Channel Not Available
287	0x11F	Serial Port General Failure
343	0x157	Serial Port Invalid Parameter
512	0x200	Data Link - Invalid Command
513	0x201	Data Link - Timed Out Waiting for Echo
514	0x202	Data Link - No Reply
515	0x203	Data Link - No Acknowledge
516	0x204	Data Link Reset - No Acknowledge
768	0x300	Station address out of range
769	0x301	Object type or variation out of range
770	0x302	Object variation out of range
771	0x303	Point address out of range
772	0x304	Data type out of range
773	0x305	Invalid parameters
774	0x306	RTU - Function code not implemented
775	0x307	RTU - Requested objects unknown
776	0x308	RTU - Request parameters out of range
777	0x309	RTU - Event buffers overflow
778	0x30A	RTU - Requested operation pending
779	0x30B	RTU - Configuration corrupt
780	0x30C	Start record out of range
781	0x30D	End record out of range
782	0x30E	Invalid file operation
783	0x30F	Missing File name
784	0x310	File does not exist
785	0x311	Out of file space
786	0x312	File access denied
787	0x313	File in use
788	0x314	Too many files are currently open
789	0x315	File handle not valid
790	0x316	Device lost comms with file location
791	0x317	Handle closed due to inactivity
792	0x318	Fatal file processing error occurred
793	0x319	File block sequence incorrect
794	0x31A	Timeout waiting for delayed response
795	0x31B	Received file not of expected size
796	0x31C	File size exceeds limits
797	0x31D	RTU - Device specific problem
798	0x31E	Driver currently disabled
799	0x31F	Control operation rejected
800	0x320	Select operation rejected
801	0x321	Bad address suffix