Safety Function Warnings (S53) - Mitsubishi Electric M800 Series Manual

M800/M80/E80/C80 Series Alarm/Parameter Manual
3 Servo/Spindle Alarms (S)

3.6 Safety Function Warnings (S53)

S53 Safety function warning
Details
The system has been set in the STO state.
The STO state is also entered at the time of emergency stop, but in this case, this warning will not appear be-
cause the emergency stop has priority.
0001
63
(Axis name)
IB-1501279-H