Mitsubishi Electric MELSEC-LD77MS2 User Manual page 898

[3] Resetting errors and warnings
Remove the cause of error or warning following the actions described in Section
16.5 and 16.6, before cancel an error or warning state by resetting the error.
How to clear errors or warnings
An error or warning state is canceled after the following processing has been
carried out by setting "1" in the address of the buffer memory for resetting axis
error (
Axis error reset
Cd.5
 Axis error detection signal is turned OFF.

"
Axis error No."
Md.23
 "
Axis warning No.
Md.24

"
Axis operation status
Md.26
 "Axis warning detection (
POINT
When servo alarms cannot be reset even if error reset is requested, "0" is not
stored in "
Axis error reset
Cd.5
" " and then set "1" to execute the error reset again by user side.
Axis error reset
Cd.5
[4] Confirming the error and warning definitions
The error and warning definitions can be confirmed with the error codes and
warning codes. Confirming them requires GX Works2.
Confirming the error definitions
 System monitor of GX Works2 (Refer to Section 16.1.)

Error history screen of GX Works2 (Simple Motion Module Setting Tool)
(Refer to the Simple Motion Module Setting Tool Help.)
Confirming the warning definitions

Warning history screen of GX Works2 (Simple Motion Module Setting Tool)
(Refer to the Simple Motion Module Setting Tool Help.)
).
is cleared.
" is cleared.
" is changed from "Error" to "Standby".
: b9)" is turned OFF.
Status
Md.31
" by Simple Motion module. It remains "1". Set "0" in
16 - 14
Chapter 16 Troubleshooting