10 TROUBLESHOOTING
10.7 List of Error Codes
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10.7 List of Error Codes
Error classification by error number
Error codes are classified by error number as follows.
Error code system
Error codes are accompanied by safety error subset codes. A safety error subset code consists of the error classification for
the stop cause of the safety functions (safety I/O, safety diagnostics, and safety communication) and an error item number.
A safety error subset code is available only for the NZ2GFSS2-32D-S1.
Safety error subset code example
The following shows an error code and a safety error subset code of a double input discrepancy detection error as an
example.
Error classification of safety error subset code
The following table shows error classifications of safety error subset codes used in the safety remote I/O module. For errors
that are not the stop causes of the safety functions, no safety error subset codes are assigned.
For error item numbers, refer to the subsequent lists of error codes.
Module model name Error code Classification Reference
NZ2GFSS2-32D-S1 0000H to 3FFFH
D529H, D52BH
Safety remote I/O module error Page 138 Error codes related to the safety remote I/O module
D000H to DFFFH
(excluding D529H and
D52BH)
CC-Link IE Field Network error Page 154 Error codes related to the CC-Link IE Field Network
8400H Safety communication error Page 156 Error codes related to safety communication
NZ2GFSS2-8D-S1
NZ2GFSS2-8TE-S1
Z2GFSS2-16DTE-S1
0000H to 3FFFH Safety remote I/O module error Page 138 Error codes related to the safety remote I/O module
D000H to DFFFH CC-Link IE Field Network error Page 154 Error codes related to the CC-Link IE Field Network
8400H Safety communication error Page 156 Error codes related to safety communication
Error Error code
(hexadecimal)
Safety error subset code
Error classification Error item number
Double input discrepancy detection error 0204H 450 0204H
Error classification Description
300 to 315 Errors common to the safety communications
450 Errors specific to the safety remote I/O module
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