OPC Client Error Codes

Error code
(Decimal)
Error code
(Hex)
Meaning
00 0x0 No Error
01 0x1 Failed to load OPC Automation DLL
02 0x2 Connection request to OPC Server failed
03 0x3 OPCGroups Object not retrieved
04 0x4 Failed to add I/O Group to OPC Server
05 0x5 OPC Server Status is Unavailable
06 0x6 OPC Server is not in Running State
07 0x7 OPC Thread heartbeat fail
08 0x8 Unknown Error
20 0x14 The Value of the Handle is Invalid
23 0x17 The Server Cannot Convert the Data
24 0x18 Requested Operation is not Allowed on Public Groups
25 0x19 The Items access Rights do not Allow the Operation
26 0x1a The Address does not Exist
27 0x1b Syntax Error in Address
28 0x1c The Filter String was not Valid
29 0x1d The Items Access Path is Unknown
30 0x1e The Value was Out of Range
31 0x1f Duplicate Name not Allowed
32 0x20 Server does not Support Requested Data Rate
33 0x21 Attempted Write to Clamped Output
34 0x22 Operation Failed because the Object is In Use
35 0x23 Server Invalid Configuration File Format
36 0x24 Requested Object was not Found