Delta MS300 Series User Manual page 608

ID Display on LCD Keypad
76
Action Condition
Action Time
Fault Treatment Parameter
Reset Method
Reset Condition
Record
Cause
The switch action of S1 / DCM and
S2 / DCM (OPEN)
Fault Name
STO
(STo)
Action and Reset
Hardware detection
Immediately act
N/A
When Pr.06-44 = 1 and after STo error is cleared, it automatically
Auto
resets.
Manual When Pr.06-44 = 0 and after STo error is cleared, reset it manually.
Reset only after STo error is cleared.
Yes
Reset the switch (ON) and cycle the power
599
Fault Descriptions
Safety Torque Off function active
Corrective Actions
Chapter 14 Fault CodesMS300