Mitsubishi Electric NZ2GN2S1-32D User Manual page 192

Error history data 2 to Error history data 15 (address: 0A10H to 0AEFH) are stored in the same format as that of Error history
data 1 (address: 0A00H to 0A0FH).
For error codes, refer to the following.
Page 160 Error Code List
■Storage order of the error history
The latest error is stored in Error history data 1 (address: 0A00H to 0A0FH).
Errors that occurred in the past are stored in Error history data 2 to Error history data 15 (address: 0A10H to 0AEFH) in
reverse chronological order.
APPX
190
Appendix 3 Remote Buffer Memory