CTT2 service errors in Error Response messages
The following errors can be returned in the Error Response messages 0x90, 0x91 and 0x9D of the CTT2 services.
Error: 1.0 Description: Invalid index | ||
|---|---|---|
Cause | Measure | |
The index in the CTT2 protocol is faulty. Only the following indices are permitted:
| Set a permitted index. | |
Error: 2.0 Description: Invalid length | ||
|---|---|---|
Cause | Measure | |
The length of the CTT2 protocol is not permitted. Only the following lengths are permitted:
| Set a permitted length. | |
Error: 3.0 Description: CTT2 service not implemented | ||
|---|---|---|
Cause | Measure | |
The requested CTT2 service is not supported. Only the following CTT2 codes are permitted:
| Set a permitted CTT2 service. | |
Error: 4.0 Description: CTT2 service not fully completed | ||
|---|---|---|
Cause | Measure | |
Processing of the SPA message has not been fully completed. The CTT2 Read Request/Response service was sent too quickly after the CTT2 Write Request/Response service. | Resend the CTT2 Read Request/Response service. | |
Error: 5.0 Description: Last CTT2 service not confirmed | ||
|---|---|---|
Cause | Measure | |
The required protocol sequence of the CTT2 Write Request/Response and Read Request/Response services has not been adhered to. | After the CTT2 Write Request/Response service, send a CTT2 Read Request/Response service. | |
Error: 7.0 Description: Command missing | ||
|---|---|---|
Cause | Measure | |
The CTT2 service expects an upstream CTT2 service. | Only send the Read/Request message with index 0x03 after the CTT2 Write Request/Response service with index 0x03 has been successfully executed. | |
