Mitsubishi Electric MELSEC iQ-R Series User Manual page 130

Ex.
When the third error occurred
The third error is stored in Error history No.3 and 3620 (the start address of Error history No.3) is stored in 'Latest address of
error history' (Un\G2).
'Latest address of error history'
(Un\G2): 3620
1 FUNCTIONS
128
1.38 Error History Function
Un\G3600
Error history No.1
1st error
Un\G3610
Error history No.2
2nd error
Un\G3620
Error history No.3
(Empty)
Un\G3750
Error history No.16
(Empty)
New
3rd error