Mitsubishi Electric MELSEC iQ-RX40NC6B Application User's Manual page 54

Ex.
When the 3rd error occurs
When the 3rd error is stored in the error history No.3, 32 is stored in 'Latest address of error history' (Un\G0).
(Un\G0): 24
Un\G16
Un\G24
Un\G32
Un\G136
1 FUNCTIONS
52
1.4 Diagnostic Function
No.1
No.2
No.3
No.16
(Un\G0): 32
Un\G16
Un\G24
Un\G32
Un\G136
No.1
No.2
No.3
No.16