Rockwell Automation 1771-SPI,D17716.5.122 SPI PROTOCOL INTERFACE - Manual (Page 55)

Interpreting Diagnostic Information
In LEDs and Error Codes
Chapter 5
5-5
When the SPI module detects an error, it indicates the source of the error
in word 3 returned in the SYS, CCS, or CDS status block.
Error codes are 4–digit hexadecimal values 0001-FFFF, grouped as follows:
Error Code: Source: Returned in: Description: Refer to:
9000 series MCC SYS MCC Data Entry Errors Table 5.B
5000 series CCB CCS CCS Data Entry Errors Table 5.C
7000 series CDB CDS Command Not Executed/Supported Table 5.D
8000 series Communication Network Table 5.E
Using Diagnostic
Error Codes